Question help on rooting and flashing - Xiaomi Poco F4 (Munch) / Redmi K40S

Hey all, been out of the rooting for a long while now (not long after majisk first arrived on the scene on the scene (I think it was quite on and off at this point and still finding ways to get stable) and imagine a lot has changed. I now have F4 and looking to root and flash new ROMs again but have a few questions
1. Does having unlocked bootloader or custom kernels still lock you out of bank apps (Barclays particularly) and Netflix etc or are there ways to hide it again?
2. Titanium and CWM etc seem to not show as premium version paid anymore (don't know why as they were bought, maybe I've changed account or something or they have changed devs and originals defunct)? Is the best way to restore data and passwords etc after flashing using TB or are there better ways? Is there a how to somewhere to flick through after coming back after so long?
3. Is there a how to guide posted anywhere to come from completely original stock to links to boots/kernels/roms/etc? The old forums used to but they were much more heavily developed (S2/X1/G4 etc) so maybe this would come in time?

No worries about unlocking the bootloader. I tried a couple of the very new custom ROMs and if you chose one with GApps integrated there should be no problems. With the Mi flash tool you can always return to the original state with MIUI and locked bootloader.
After testing crDroid, ArrowOS and CatalystOS my current favourite is SparkOS.
Just installed Barclays App to check for you, it's starting without complaints and asking for the login credentials...
PS. I didn't root the F4.

UniNick said:
No worries about unlocking the bootloader. I tried a couple of the very new custom ROMs and if you chose one with GApps integrated there should be no problems. With the Mi flash tool you can always return to the original state with MIUI and locked bootloader.
After testing crDroid, ArrowOS and CatalystOS my current favourite is SparkOS.
Just installed Barclays App to check for you, it's starting without complaints and asking for the login credentials...
PS. I didn't root the F4.
Click to expand...
Click to collapse
Thanks for the reply, will gander into it tomorrow. Is the MiFlash tool just for restoring back to a general stock OS? I've always had SDs in phones so backed up original FW to SD, and flashed through phone having to wipe internal. Is flashing on this now all done through PC now? Only ever really trusted XDA for support but not a lot for F4 yet. Is there somewhere with instructions? Looking forward to trying these ROMs (crDROID was always one of my faves back in the day) but looking forward to trying these others too

Follow this guide to unlock the bootloader.
Mi only supplies their unlock tool for Windows.
Then follow the flashing instructions for the ROM of your choice.
Backup/restore with TWRP or OrangeFox not working yet on the F4.
crDroid is in a rudimentary state as of today, Spark is a lot more developed with a similar choice of config options as crDroid in general has.

UniNick said:
Follow this guide to unlock the bootloader.
Mi only supplies their unlock tool for Windows.
Then follow the flashing instructions for the ROM of your choice.
Backup/restore with TWRP or OrangeFox not working yet on the F4.
crDroid is in a rudimentary state as of today, Spark is a lot more developed with a similar choice of config options as crDroid in general has.
Click to expand...
Click to collapse
Cheers bud will have a look

Related

Simple root and flash question

Hi guys,
Just moved form unlocked and rooted Mi Max 2, the boot loader of my Mi Max 3 is unlocked running Global stable 10.3.1.0 stable (PEDMIXM). Question: can I just install official TWRP (https://twrp.me/xiaomi/xiaomimimax3.html) and flash modded Global from https://mi-globe.com/ without any risk. Just hate to brick it
Seems like an easy way to root and mod.
Thanks in advance
Hmm, well hopefully someone more experienced will answer, but...
Globe ROM is based on miui.eu, who themselves remove ARB (anti roll back), at least as far as I'm aware. This shouldn't matter though, I'm assuming, as you'll be flashing newer firmware/vendor etc than what's on your device currently. See here for more info
As for TWRP, I'm not sure, I'm currently awaiting delivery of my mi max 3 so cannot say much more on the subject, but have been reading a bit about it, plus I have other Xiaomi devices that have run Globe ROM in the past. Sorry if it's all a bit vague, like I say, hopefully someone more experienced will step in and assist you. But that should give you a bit of assistance and some further reading!!
Also see here for further info on ARB of your ROM
reg66 said:
Hmm, well hopefully someone more experienced will answer, but...
Globe ROM is based on miui.eu, who themselves remove ARB (anti roll back), at least as far as I'm aware. This shouldn't matter though, I'm assuming, as you'll be flashing newer firmware/vendor etc than what's on your device currently. See here for more info and see here for how to check if ARB is present on your device.
As for TWRP, I'm not sure, I'm currently awaiting delivery of my mi max 3 so cannot say much more on the subject, but have been reading a bit about it, plus I have other Xiaomi devices that have run Globe ROM in the past. Sorry if it's all a bit vague, like I say, hopefully someone more experienced will step in and assist you. But that should give you a bit of assistance and some further reading!!
Also see here for further info on ARB of your ROM
Click to expand...
Click to collapse
Thanks for the detailed reply. Yes ARB is probably the root of my worries. Flashed the hell out of my Mi Max 2 without issues but as I said I'd hate to brick it so soon. I'll update the thread with my progress.
Again thanks so much for the info.:good:
For me twrp only worked once and only once and then i bricked it. After that i bricked and can never go back by fastboot TWRP again. Now every time i boot to TWRP, it goes to black screen with backlight lit.
What i don't get is how other devices like Redmi 5 Note Pro, Mi 8 can get twrp to work if they are also on the list like Mi Max 3 for the recent Anti Rollback.
I ALSO have the same question ,
I didnt unlock the bootloader yet but i want first to know is it safe to root this device i read many users saying the antiroll **** is causing bricking the device .
If anyone can tell us a detailed guideline or steps to how to root the device for the average non advanced users like us ,
hassan216 said:
I ALSO have the same question ,
I didnt unlock the bootloader yet but i want first to know is it safe to root this device i read many users saying the antiroll **** is causing bricking the device .
If anyone can tell us a detailed guideline or steps to how to root the device for the average non advanced users like us ,
Click to expand...
Click to collapse
the following:
to be on the safe side use fastboot boot recovery-image-name do your stuff and boot via stock recovery when you don't need twrp specifically
like this you can avoid issues with encryption
if you don't want that you can make sure that you get a version of twrp that has no issues with decryption.
if you upgrade API version, i.e. Oreo > PIE, only do that if you don't intend to roll back to oreo
unlocking the bootloader and rooting are straight forward and no different than for any other device, what has basically changed recently is
A/B partitioning as well as recoveries mostly being in boot (no separate recovery partition for most devices) and that encryption scheme
has changed in a way that twrp without tweaks (original) has issues with decryption.
i use other than this A/B devices like OP6, OP6T and one simply has to be careful and not just flash away, thins got less forgiving
but work nevertheless once executed correctly.
if you want TWRP permanently you'd have to flash the twrp zip via fastboot boot twrp.img or fastboot flash twrp.img (not mandatory) boot into twrp if you flashed and flash twrp.zip, boot into recovery first and directly and there you go until you flash a new system things are quite stable if you choose your variant of twrp carefully.

Just bought a xiaomi mi 10t lite. Some questions...

Hello!!
As the title says, I have just bought a xaomi MI 10t lite. Absolutely wonderful phone in my opinion.
Always root my phones but simply consider skipping it this time.
But if I would like to do it anyway, I have some questions.
1. Is it difficult to root this device?
2. Which rum would you recommend? I want a fast phone that works well to play with. It does not matter if it takes a lot of batteries.
3. Read a bit and saw there were lots of tools. Which tools are best to use, it does not happen that xiaomi has been so forward-thinking that they create their own software to do this?
Have a good night my fellow geeks!
//knorrigbollen Sweden
Edit: sorry haven't learned to write on the phone yet so had to edit some spelling screw ups.
I haven't looked into rooting this device yet. I don't know how many rom's are currently developed for this phone but I would recommend xiaomi.eu stable rom.
The only hurdle is unlocking the bootloader, you need to use unlock tool provided by Xiaomi. The unlock tool comes with a wait time, I had to wait for about ~2 weeks before I could unlock but wait time can vary. After unlocking the bootloader it's pretty much basic adb procedures and install script's to flash a rom.
I'm just starting to look into TWRP for this device, looks like it's still being developed but should be ready to use.
Just check out the guide's you can find online during your unlock waiting time and you should be golden. Greetings from your neighbor ~FIN
Root only if its absolutely necessary
No rom for this device has been cooked yet, even in the future stick to stock rom for stablity and relaiblity.
Tools to use?
check XiaoMiTool & XiaomiADBFastbootTools
@Knorrigbollen
1. easy to root, just unlock the bootloader, patch stock boot.img from Magisk Manager and flash it in fastboot. No TWRP required (even if it's available).
2. stock ROM is nice, once you remove/block most of MIUI apps. No ads, no tracking, responsive, next to no bugs. Personally I see absolutely no reason to switch to another ROM, I appreciate included Google apps.
3. you need to use Xiaomi tool to unlock the bootloader (where you need to wait 2 weeks to be able to do that). You can use this nice GUI to "debloat" MIUI apps https://github.com/Szaki/XiaomiADBFastbootTools, but standard Android fastboot/adb tools work very well.
Personally I'm loving the MIUI, it has some great features, they thought of a lot of little things. I too always root my devices but this time I have not. I would only do a basic root using Magisk/TWRP official when/if it comes out so that I can mod my apps/games and block ads etc.
Yes I agree you. I will also wait until Magisk or TWRP is released. In my case I want to get rid of some pre-installed system apps.
Z3RO2K said:
Personally I'm loving the MIUI, it has some great features, they thought of a lot of little things. I too always root my devices but this time I have not. I would only do a basic root using Magisk/TWRP official when/if it comes out so that I can mod my apps/games and block ads etc.
Click to expand...
Click to collapse
Francescohub said:
Yes I agree you. I will also wait until Magisk or TWRP is released. In my case I want to get rid of some pre-installed system apps.
Click to expand...
Click to collapse
Magisk is working on this device since release of the phone and TWRP has been released a couple of weeks ago as well. There is not much left to wait for..
_mysiak_ said:
Magisk is working on this device since release of the phone and TWRP has been released a couple of weeks ago as well. There is not much left to wait for..
Click to expand...
Click to collapse
oh that is really good to hear!
Well I am back into android now for 1 month, I used to root back in 2017 my Huawei p9 lite and in 2015 my Samsung Galaxy S3. Now I dont know how to start with, cause my last phone was iPhone 7 (yea, shame on me; Jailbreak is nothing to compare with root). Is there a good step by step instruction of how to root my phone?
Thanks in advance; greetings from Germany and sorry for mistkaes in spelling.
Francesco
Francescohub said:
oh that is really good to hear!
Well I am back into android now for 1 month, I used to root back in 2017 my Huawei p9 lite and in 2015 my Samsung Galaxy S3. Now I dont know how to start with, cause my last phone was iPhone 7 (yea, shame on me; Jailbreak is nothing to compare with root). Is there a good step by step instruction of how to root my phone?
Thanks in advance; greetings from Germany and sorry for mistkaes in spelling.
Francesco
Click to expand...
Click to collapse
My preferred way:
1. unlock the bootloader
2. patch your own boot.img (or use one from this topic https://forum.xda-developers.com/t/root-stock-and-magisk-patched-boot-images.4201597/)
3. hotboot patched boot.img and install Magisk from Magisk manager (this will create a backup of stock boot image, which will come in handy for OTA updates)
4. that's it
P.S. you will have two weeks waiting period for the bootloader unlocking, so plenty of time to read how Magisk/systemless mods work now
_mysiak_ said:
My preferred way:
1. unlock the bootloader
2. patch your own boot.img (or use one from this topic https://forum.xda-developers.com/t/root-stock-and-magisk-patched-boot-images.4201597/)
3. hotboot patched boot.img and install Magisk from Magisk manager (this will create a backup of stock boot image, which will come in handy for OTA updates)
4. that's it
P.S. you will have two weeks waiting period for the bootloader unlocking, so plenty of time to read how Magisk/systemless mods work now
Click to expand...
Click to collapse
thank you very much. I think I ll start now with unlocking my bootloader.
_mysiak_ said:
Magisk is working on this device since release of the phone and TWRP has been released a couple of weeks ago as well. There is not much left to wait for..
Click to expand...
Click to collapse
Not officially it's not. Until I see it listed as supported here: https://twrp.me/Devices/Xiaomi/ with reports of it being functional I'm not touching unofficial. I see reports on that one posted with various issues.
Z3RO2K said:
Not officially it's not. Until I see it listed as supported here: https://twrp.me/Devices/Xiaomi/ with reports of it being functional I'm not touching unofficial. I see reports on that one posted with various issues.
Click to expand...
Click to collapse
That's of course completely up to you. On my previous phones I had issues even with "official" TWRP which never got fixed. Unofficial or custom builds were usually more stable for me and obviously available much faster than the official build.
Anyway, the fact is, that Magisk is out since day 1 and TWRP was released unofficially recently, so anyone who want's to do some modding is free to go. TWRP for rooting is optional and I personally don't use it at all.
Z3RO2K said:
Not officially it's not. Until I see it listed as supported here: https://twrp.me/Devices/Xiaomi/ with reports of it being functional I'm not touching unofficial. I see reports on that one posted with various issues.
Click to expand...
Click to collapse
The TWRP looks weird but it's completely fine, used unofficial builds on most of my devices and they've been better than official ones. I get your point though
it should be official now..
I am in kind of same situation. I bought a mi10t lite from amazon, once it arrived home I noticed that it is vodafone brand with old miu and security version update..
I want an official europe version and block again the phone in order to have everything like original.
I applied for the xiaomi official unlock but it will take at least a week..
Any way to do it NOW ?
Thanks,
D.
the incredible said:
it should be official now..
I am in kind of same situation. I bought a mi10t lite from amazon, once it arrived home I noticed that it is vodafone brand with old miu and security version update..
I want an official europe version and block again the phone in order to have everything like original.
I applied for the xiaomi official unlock but it will take at least a week..
Any way to do it NOW ?
Thanks,
D.
Click to expand...
Click to collapse
Nope, none of the methods/tips for quick unlock are working, you just have to wait. Also I would advise to use the phone a little during the waiting time to avoid further delay in unlocking (I read many reports mentioning longer waiting times when they kept their phone in the drawer for the whole week).

Could someone with a rooted Mi 10T Lite try this?

Hello,
I have recently entered the world of Xiaomi after a history with Sony Devices (Xperia, Xperia SP, Xperia Z3). I'm so far delighted with the Mi 10T Lite, it's feature rich and blazingly fast. However, I miss one feature I had installed on my SP and Z3 that made their batteries live extra long. It's this:
Battery Charge Limit [ROOT] - Apps on Google Play
Stop charging at desired level to preserve battery health for most devices!
play.google.com
With this tool, you can essentially leave your device permanently on the charger and it will stay within the limits you have set. I used to have it set to 71-80%. So when the charge dropped to 70% it started charging, until reaching 80%. I therefore balanced keeping the battery charged for short intervals and at a sweet spot for its health, with having enough charge in case I wanted to grab my phone and leave the house. I really love this app.
The problem is, it requires root privileges.
I understand that rooting my Xiaomi is not particularly hard, but since it is a new device I would not want to void its warranty. It's possible that some defect shows up and I am left without a warranty. It would be a particularly big bummer if I discovered I rooted the device only to see that the app does not work properly with it.
So, could someone with a rooted device try out this fantastic app and let me know if it works? You might end up with a battery life extender you never knew existed!
Many thanks,
Yanni
Athens/Greece
Friendly bump! Could somebody try this nifty app for battery life optimization on their rooted 10T Lite? Let me know if it works so I can go ahead with arcane rooting magick, hehe.
I have been using it for the last two years. It is a great app.
It does work fine on the mi10t lite, you just need to change the control file from default to "input_suspend" pixel2/xiaomi mi6. After that the limit is respected. Another alternative is a magisk muddle called "Advanced Charging Controller" it is more technical than bcl.
egor27 said:
I have been using it for the last two years. It is a great app.
It does work fine on the mi10t lite, you just need to change the control file from default to "input_suspend" pixel2/xiaomi mi6. After that the limit is respected. Another alternative is a magisk muddle called "Advanced Charging Controller" it is more technical than bcl.
Click to expand...
Click to collapse
Thank you! Both for the confirmation and also the control file's location.
I think I'll be rooting my device, using magisk. Briefly browsing a couple of guides, I guess it won't be very involved. Besides voiding warranty I'll be losing OTA firmware updates. I presume I will have the option to manually updating by flashing a new official ROM.
funkyjester said:
Thank you! Both for the confirmation and also the control file's location.
I think I'll be rooting my device, using magisk. Briefly browsing a couple of guides, I guess it won't be very involved. Besides voiding warranty I'll be losing OTA firmware updates. I presume I will have the option to manually updating by flashing a new official ROM.
Click to expand...
Click to collapse
Just FYI - you should not void the warranty (at least in Europe - https://www.piana.eu/root/) and OTA updates will arrive normally. You will need to restore stock boot image from Magisk manager before installing OTA and then re-root the phone afterwards, but that's the only complication.
_mysiak_ said:
Just FYI - you should not void the warranty (at least in Europe - https://www.piana.eu/root/) and OTA updates will arrive normally. You will need to restore stock boot image from Magisk manager before installing OTA and then re-root the phone afterwards, but that's the only complication.
Click to expand...
Click to collapse
Thanks for the link. Besides the EU statutory warranty, a quick search reveals that the company itself allows rooting without voiding your warranty. So I'm a happy camper I guess.
Guys, please, if anyone can upload the .xqcn file generated by the backup in QPST, thank you. It has to be a Mi10T Lite Global or EEA.
Hemerson Silva said:
Guys, please, if anyone can upload the .xqcn file generated by the backup in QPST, thank you. It has to be a Mi10T Lite Global or EEA.
Click to expand...
Click to collapse
You do not need to ask in every unrelated topic. I guess that no one has the file and/or no one wants to share his IMEI publicly.
_mysiak_ said:
You do not need to ask in every unrelated topic. I guess that no one has the file and/or no one wants to share his IMEI publicly.
Click to expand...
Click to collapse
In fact, there is the issue of IMEI. I wanted the file to go through my device and see how it would behave, taking the risks. Unfortunately the XDA community was once more collaborative.
Hemerson Silva said:
In fact, there is the issue of IMEI. I wanted the file to go through my device and see how it would behave, taking the risks. Unfortunately the XDA community was once more collaborative.
Click to expand...
Click to collapse
Maybe if you provide step by step guide how to extract xqcn file and remove sensitive information from it before uploading to the internet, someone will be willing to do it.
In each case, we are heavily offtopic here.
Hello, I thought of hijacking my own thread again.
After painfully waiting for a week (go Xiaomi!), I unlocked my bootloader, and got an instant factory reset with all my data gone (again, go Xiaomi! I didn't expect that).
But now all is unlocked and I am left with the task of rooting my device. I think I 'll use Magisk. From what I understand I need a boot.img file to patch and then flash. Thinking I 'd like to keep my current ROM, I looked around for a full ROM image to get the boot.img file. But I couldn't find it.
My current ROM is MIUI Global 12.0.5.0 (QJSEUVF), which like I said, I could not find anywhere. It must be an early 12.0.5 ROM used on the first phones shipped. I have two questions:
a) Is it possible to somehow extract the boot.img file from the running phone?
b) If not, and if I can't find the installed ROM zip, what ROM zip would you pick to stay as close as possible to the one I have now? The reason I want this is that the phone works pretty damn fine up to now, and I see reports of problems after major upgrades, like version 12.5.
Any info much appreciated!
Best Wishes,
Yanni
Athens/Greece
funkyjester said:
Hello, I thought of hijacking my own thread again.
After painfully waiting for a week (go Xiaomi!), I unlocked my bootloader, and got an instant factory reset with all my data gone (again, go Xiaomi! I didn't expect that).
But now all is unlocked and I am left with the task of rooting my device. I think I 'll use Magisk. From what I understand I need a boot.img file to patch and then flash. Thinking I 'd like to keep my current ROM, I looked around for a full ROM image to get the boot.img file. But I couldn't find it.
My current ROM is MIUI Global 12.0.5.0 (QJSEUVF), which like I said, I could not find anywhere. It must be an early 12.0.5 ROM used on the first phones shipped. I have two questions:
a) Is it possible to somehow extract the boot.img file from the running phone?
b) If not, and if I can't find the installed ROM zip, what ROM zip would you pick to stay as close as possible to the one I have now? The reason I want this is that the phone works pretty damn fine up to now, and I see reports of problems after major upgrades, like version 12.5.
Any info much appreciated!
Best Wishes,
Yanni
Athens/Greece
Click to expand...
Click to collapse
Bootloader unlocking always results in a factory reset (unless vendor seriously screwed up), it's standard security feature of Android since..like pretty much forever.
If you do not have boot.img at hand, the most easy solution is probably to hot boot TWRP ("fastboot boot twrp.img") and flash Magisk from there. Also it might be a good idea to reflash your phone with normal global version which is already available for download, QJSEUVF sounds like Vodafone version, I would certainly get rid of it and replace it with QJSEUXM.
_mysiak_ said:
Bootloader unlocking always results in a factory reset (unless vendor seriously screwed up), it's standard security feature of Android since..like pretty much forever.
If you do not have boot.img at hand, the most easy solution is probably to hot boot TWRP ("fastboot boot twrp.img") and flash Magisk from there. Also it might be a good idea to reflash your phone with normal global version which is already available for download, QJSEUVF sounds like Vodafone version, I would certainly get rid of it and replace it with QJSEUXM.
Click to expand...
Click to collapse
I should have figured out what VF means. I think I will take the straightforward way and use QJSEUXM which I have found readily available. Thanks!

Question Poco f3 bootloader unlock + custom rom

Hi everyone, I'm new to the community and I had few previous experiences with phone modding so I'm here to ask you some support. I'd like to unlock bootloader, root and maybe install a custom rom o just xiaomi.eu rom but I don't want to brick my phone. I don't know what disadvantages i get other than losing the warranty( i read something about banking apps and netflix). If someone could guide me or link to some detailed guide I'll be very grateful.
The first question about bootloader is do i lose data when i start the process of unlocking the first time and should pop up the error of 160hours? or i lose data only in the second "try" after 1 week?
As said i have a poco f3 8-256 if could be useful.
You won't lose data, at least in my case but just make a backup to be safe.
You can start here:
You can look at his other videos too about Poco F3. They are very helpful to me and it is in English.
I personally prefer xiaomi.eu ROM 12.5.19 gives me 700k AnTuTu, google apps, miui cam, good battery life, good gaming experience, game turbo, and debloated miui which is optimized for the phone.
Yes correct, your phone will only do a Factory Reset after the "2nd try", aka. when the bootloader gets actually unlocked.
On the 1st try, nothing happens with your phone, it'll just ask Xiaomi's servers to allow your Xiaomi Account to unlock the BL.
Munchy's videos (the video above that LynnnXDA linked) are a good starting point for info.
To give you useful info along the way, the other day I made a comment about the disadvantages of Unlocking your bootloader in this thread, I will copy&paste it here:
If you unlock your bootloader, you must be aware of the downsides. Some apps won't work (at least not without a workaround), like Banking apps, Netflix, Super Mario Kart, Google Pay.
That's cuz Google's SafetyNet API reports to those apps that the Security-Status of your phone is "Fail", because of the unlocked bootloader.
You can hide it with Custom ROMs that specifically list "SafetyNet passed" or by using Magisk Root with a SafetyNet Fix Module. Or Both idk whatever.
I use Xiaomi.eu Custom ROM on Android 12 with Magisk Root. Everything works, but this stupid cat & mouse game with Google and Android Modders definitely sucks.
Click to expand...
Click to collapse
I also made another comment about the risk of bricking your phone when flashing a ROM, in this thread:
Critical partitions are being modified in the Flashing-process.
There is no protection.
If your phone shuts down during the Flashing-process, your phone can get bricked (black screen) and you can't even boot Fastboot & Recovery anymore. I know this. I have experience.
You must ensure that you have enough Battery (I recommend 75% Battery at least), that the USB connection is stable (will not disconnect randomly), and that your PC won't crash/shut down.
IF IT HAPPENS, that the Flashing-process errors out, DON'T REBOOT THE PHONE. If you do so, you won't be able to enter Fastboot anymore. You must stay in Fastboot. Just reconnect USB, and try again to Flash. Just don't reboot the phone.
Sorry for fear-mongering, but this is definitely dangerous and not to be taken lightly.
Click to expand...
Click to collapse
Despite the disadvantages (which might increase, because of Google fighting against it), there are some nice advantages, like being on the cutting edge ROMs with the latest updates, freedom, Access to system files, System-backup/restore, Call Recording (which may otherwise not be available for you), Cool Magisk Modules, Mods and other things...
dreamytom said:
Yes correct, your phone will only do a Factory Reset after the "2nd try", aka. when the bootloader gets actually unlocked.
On the 1st try, nothing happens with your phone, it'll just ask Xiaomi's servers to allow your Xiaomi Account to unlock the BL.
Munchy's videos (the video above that LynnnXDA linked) are a good starting point for info.
To give you useful info along the way, the other day I made a comment about the disadvantages of Unlocking your bootloader in this thread, I will copy&paste it here:
I also made another comment about the risk of bricking your phone when flashing a ROM, in this thread:
Despite the disadvantages (which might increase, because of Google fighting against it), there are some nice advantages, like being on the cutting edge ROMs with the latest updates, freedom, Access to system files, System-backup/restore, Call Recording (which may otherwise not be available for you), Cool Magisk Modules, Mods and other things...
Click to expand...
Click to collapse
Thanks a lot for your help, today I'm gonna start the unlocking procedure. One last question, do i need specific usb drivers and where can i find them? is there an official source?
generale48 said:
Thanks a lot for your help, today I'm gonna start the unlocking procedure. One last question, do i need specific usb drivers and where can i find them? is there an official source?
Click to expand...
Click to collapse
The best drivers are included in Mi Flash, under the menu "Driver".
Before installing the drivers, I recommend starting Windows with Driver Signature Enforcement disabled.
Otherwise not all drivers get installed, because a few are not signed (They are safe to install though).
To temporarily start Windows with Driver Signature Enforcement disabled:
1. Hold SHIFT while clicking the Restart-Button
Windows automatically boots into Advanced Startup Options
2. Click "Troubleshoot" > "Advanced options" > "Startup Settings" > Restart
Windows boots into Startup Settings
3. Click 7 for "Disable driver signature enforcement"
Then when you're in Windows, you can install the drivers from Mi Flash.
Hi everyone, tomorrow i will unlock my bootloader and during this days I looked for some custom roms. First of all I want to ask you which are advantages and disadvantages of rooting the phone, I read about safetynet problem, and also some custom roms that are compatible with safetynet.
I'd like a stable rom but not stock like miui.eu, I was thinking something like lineageos or arrow os, what are the differences?
Hi All, what is best stable EU 12.5 rom for POCO F3 best better battery life?
Hi All, is it every time request unlock bootloader from xiaomi.com have to wait a week 7 days ??
@coolkillermax Yes, you have to wait.
I
generale48 said:
Hi everyone, I'm new to the community and I had few previous experiences with phone modding so I'm here to ask you some support. I'd like to unlock bootloader, root and maybe install a custom rom o just xiaomi.eu rom but I don't want to brick my phone. I don't know what disadvantages i get other than losing the warranty( i read something about banking apps and netflix). If someone could guide me or link to some detailed guide I'll be very grateful.
The first question about bootloader is do i lose data when i start the process of unlocking the first time and should pop up the error of 160hours? or i lose data only in the second "try" after 1 week?
As said i have a poco f3 8-256 if could be useful.
Click to expand...
Click to collapse
After you complete all the steps to unlock the bootloader and to flash it using twrp I recommend you to use this website to download the perfect miui based ROM for your device (note: it can be prerooted).
MIUI Custom-ROM Builder for Xiaomi Poco F3!
Create your own MIUI Custom-ROM for your Xiaomi Poco F3! Select from more than 20 Features!
mi-globe.com
cyanGalaxy said:
@coolkillermax Yes, you have to wait.
Click to expand...
Click to collapse
Than no choice, Haiz..... Yesterday i just done unlock bootloader & during flashing EU rom once done installed saw 2 slot show in TWRP, Slot A & Slot B ?? What is that ?? choose slot B it just can not normal boot but fastboot only, than i choose Slot A than my NEW EU rom boot OK, seem now day flashing ROMs quite complicated compare old time So simple easy!! Could anyone explain this... Appreciate if anyone can tell me
coolkillermax said:
Than no choice, Haiz..... Yesterday i just done unlock bootloader & during flashing EU rom once done installed saw 2 slot show in TWRP, Slot A & Slot B ?? What is that ?? choose slot B it just can not normal boot but fastboot only, than i choose Slot A than my NEW EU rom boot OK, seem now day flashing ROMs quite complicated compare old time So simple easy!! Could anyone explain this... Appreciate if anyone can tell me
Click to expand...
Click to collapse
I suggest reading this:
How A/B Partitions and Seamless Updates Affect Custom Development on XDA
You may have heard of Seamless Updates before. It involves something called "A/B partitions." What is it and how does it affect custom development on XDA?
www.xda-developers.com
AOSP Doc:
A/B (Seamless) System Updates | Android Open Source Project
source.android.com
cyanGalaxy said:
I suggest reading this:
How A/B Partitions and Seamless Updates Affect Custom Development on XDA
You may have heard of Seamless Updates before. It involves something called "A/B partitions." What is it and how does it affect custom development on XDA?
www.xda-developers.com
AOSP Doc:
A/B (Seamless) System Updates | Android Open Source Project
source.android.com
Click to expand...
Click to collapse
Thanks but it seem too long & complicated to understand, could you explain main notes & simple to understand ? Is it Slot A & Slot B is no way to skip or remove it ? Or is it after remove next time i unable to return to global stock roms ?
Can anyone give eu rom 12.5 weekly rom as i search in eu rom all in "Fastboot rom" not TWRP roms, so anyone can give me links it is appreciate

Question Best YouTube tutorial for flashing custom ROM?

I haven't dabbled in flashing custom ROMs since the Galaxy S2 days and i've just purchased the Poco F3 so i'm starting to research my options for a flashing a ROM that will be more of a stock android experience.
I find YouTube tutorials easier to follow than written ones and I was wondering if anyone like me (a noob, basically) could a recommend a video or series of videos?
I'd also be interested to know if there are any things i should be aware of that you shouldn't do, like common mistakes noobs make? Also, feel free to recommend a ROM you like or any other advice you may have, i'd really appreciate it.
My last question is will banking apps still work after the installation of a custom ROM?
Thanks
Welcome to XDA!
Yes, I can highly recommend the YouTuber "Munchy", he covers a lot related about Xiaomi Smartphone Modding. He is a no-bullsh*t, straight to the point YouTuber who explains steps quite well.
If you type "munchy poco f3 flash custom rom" into YouTube, you'll find his videos!
Have you unlocked your bootloader yet?
You have to do that with Xiaomi's Mi Unlock Tool. It will ask you to sign in with a Xiaomi Account, and then you have to wait 1 week to actually start the Unlocking-process. Unlocking the BL will also factory-reset your phone and erase all data.
To your last question: No, by default, Banking-Apps, Netflix and other apps, will stop working with an Unlocked Bootloader.
This is because "Google SafetyNet" checks if your bootloader is unlocked, and will report to those apps that this device has Failed the certification-test, aka. tell them that your phone has been tampered.
But you can circumvent that and hide the fact that your bootloader is unlocked, by using Magisk, enabling Zygisk, and installing the Magisk Module "SafetyNet-Fix" from GitHub. This is how I've been using my Poco F3 with an unlocked BL and rooted ^^ Everything works.
If you have more questions, you can PM me.
As for good Vanilla Android ROMs, I can recommend ArrowOS, LineageOS, Pixel Experience.. there are many good ROMs.
Question is also, do you want just a basic Android Experience, or also the Pixel-exclusive Goodies. Cuz Pixel Phones come with features that are not included in AOSP, and you may like those features, or you may not care. ^^
@cyanGalaxy
Thanks for the info, really appreciate it. I have a couple more questions if you dont mind?
If install a ROM that requires TWRP which version should I use as i've seen mention of the "official" version and other "unofficial versions"?
In one of Munchy's videos (i think the one where he installs Crdroid) it looks like he has the ROM and TWRP files (plus another i think) on a USB stick rather than on the phone storage itself. Is it standard practice to flash ROMs and recovery images etc from external storage?
Thanks again.
Goooober said:
@cyanGalaxy
Thanks for the info, really appreciate it. I have a couple more questions if you dont mind?
If install a ROM that requires TWRP which version should I use as i've seen mention of the "official" version and other "unofficial versions"?
In one of Munchy's videos (i think the one where he installs Crdroid) it looks like he has the ROM and TWRP files (plus another i think) on a USB stick rather than on the phone storage itself. Is it standard practice to flash ROMs and recovery images etc from external storage?
Thanks again.
Click to expand...
Click to collapse
Official TWRP: https://twrp.me/xiaomi/xiaomipocof3.html
(Doesn't support Android 12's Encryption yet, so don't use this)
Unofficial TWRP ("skkk"): https://dl.akr-developers.com/?dir=skkk/TWRP/A12
(Supports Android 12's Encryption, use this! May have minor bugs.)
Is it standard practice to flash stuff from a USB-connected device?
No, we usually use either the Internal Storage or a PC (using ADB in the Command Prompt). But a USB-device works too!
@Goooober
You just have to be on the latest MIUI before flashing a Custom ROM, that's it.
Only few Custom ROMs require an older version of MIUI as a prerequisite.
Remove any PIN/Password/Pattern (helps to avoid encryption problems in TWRP),
Reboot phone into Fastboot,
Boot into TWRP_xxx_xxx.img from your PC using Fastboot in a Command Prompt:
"fastboot boot twrp.img"
(considering file is called "twrp.img" and is located in same folder as the Google SDK Platform-Tools)
In TWRP, do a factory-reset + wipe data,
Flash crDroid.zip,
Flash NikGapps.zip (contains the closed-source Google Services),
Reboot
I think this should cover the basics... Let me know if this works out. If you have any questions, do let me know.
Note: Many Custom ROMs don't require NikGapps, because they already have the closed-source Google Apps. crDroid however, doesn't contain Google Apps.

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