I can't install any custom ROM - Lenovo P2 Questions & Answers

I have bootloader unlocked and TWRP 3.2 installed.
Normally most ROM's are not finished installing always stuck in patching system image unconditionally.
LineageOS 14.1 it was installed but the screen was black with the blue LED on.
I have the stock S251 firmware version of P2a42 with Lenovo P2c72 model.
I tried to format data to EXT4 but doesn't work.
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kalmas77 said:
I have bootloader unlock and TWRP 3.2 installed.
Normally most ROM's are not finished installing always stuck in patching system image unconditionally.
LineageOS 14.1 it was installed but the screen was black with the blue LED on.
I have the stock S251 firmware version of P2a42 with Lenovo P2c72 model.
I tried to format data to EXT4 but does't work.
Click to expand...
Click to collapse
Are you 100% sure the bootloader is unlocked ? Did you unlock the bootloader via fastboot or you just waited until the 14 days countdown ended ?

medwatt said:
Are you 100% sure the bootloader is unlocked ? Did you unlock the bootloader via fastboot or you just waited until the 14 days countdown ended ?
Click to expand...
Click to collapse
Yes, I'm 100% sure. I unlocked via fastboot with your thread :good: https://forum.xda-developers.com/lenovo-p2/how-to/lenovo-p2-owners-click-t3668029

kalmas77 said:
Yes, I'm 100% sure. I unlocked via fastboot with your thread :good: https://forum.xda-developers.com/lenovo-p2/how-to/lenovo-p2-owners-click-t3668029
Click to expand...
Click to collapse
What version of Android are/were you on ? You need to be on at least Android 7 S244 to be able to flash LOS 14.1.
What I'd suggest you to do is flash the stock ROM all over again. See this. I have the c72 version myself and I've never encountered the issue you mentioned.

medwatt said:
What version of Android are/were you on ? You need to be on at least Android 7 S244 to be able to flash LOS 14.1.
What I'd suggest you to do is flash the stock ROM all over again. See this. I have the c72 version myself and I've never encountered the issue you mentioned.
Click to expand...
Click to collapse
Yes, I installed 5. P2a42_S244_170725_ROW_fastboot.7z manually through fastboot and updated later to S251 through OTA. LineageOS 14.1 it is and example, which ROMs works for you? I am looking a Android 8 Oreo custom ROM. Do you have to change partion data to EXT4 or something else? I thought it was because I have the C72 version.

kalmas77 said:
Yes, I installed 5. P2a42_S244_170725_ROW_fastboot.7z manually through fastboot and updated later to S251 through OTA. LineageOS 14.1 it is and example, which ROMs works for you? I am looking a Android 8 Oreo custom ROM. Do you have to change partion data to EXT4 or something else? I thought it was because I have the C72 version.
Click to expand...
Click to collapse
I've tried most of the ROMs here and they all work.

I had the same issue while trying to install new AOSiP 8.1 rom, I have unlocked bootloader, latest TWRP but now I am stuck with this error:
failed to mount /data device or resource busy
I cannot install any rom nor wipe data anymore. Stuck on LENOVO blue logo with the android with the lock in the belly! Help please!
PS: I can reboot to fastboot or TWRP
EDIT: i solved the issue rebooting twice from TWRP to TWRP again and making it permanent on the system, now rom is doing first boot.

Thanks, I always making permanent but apparently it was not enough. Now it's working. Probably I only need to boot TWRP through buttons instead of using fastboot commands to making permanent.

Related

I'm newbie, please help. Nexus 5x can't install cyanogenmod.

I tried to install cyan, before I used nexus 5, no problems, but here after I flashed cyanogenmod thru TWRP 3.2 I'm unable to boot. I tried to make full wipe from TWRP and still can't boot. Never have such problems and looped in this step Please help.
P.s. I'm not american, my English is bad, sry.
Try to go on twrp press mount button and select data and chace after that try to factory reset(adnvance ...select all)
try to install cm 14.1 and gaps for nougat!
Sorry for my bad english i am cypriot!
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dimitrispas22 said:
Try to go on twrp press mount button and select data and chace after that try to factory reset(adnvance ...select all)
try to install cm 14.1 and gaps for nougat!
Sorry for my bad english i am cypriot!
Click to expand...
Click to collapse
I have like on ur screen. Tried install cyan 14 but still can't boot :C loop at google emblem.
alex.zz said:
I tried to install cyan, before I used nexus 5, no problems, but here after I flashed cyanogenmod thru TWRP 3.2 I'm unable to boot. I tried to make full wipe from TWRP and still can't boot. Never have such problems and looped in this step Please help.
P.s. I'm not american, my English is bad, sry.
Click to expand...
Click to collapse
Nexus 5 ???
you are on Nexus 5x Bullhead section ?
Renaf2 said:
Nexus 5 ???
you are on Nexus 5x Bullhead section ?
Click to expand...
Click to collapse
Yes, in the past and I like it. Right now I have 5x in da'loop:laugh:
I tried to install cyan14 but still can't boot. Fastboot unlocked, twrp recovery.. I don't know what I miss.
alex.zz said:
Yes, in the past and I like it. Right now I have 5x in da'loop:laugh:
I tried to install cyan14 but still can't boot. Fastboot unlocked, twrp recovery.. I don't know what I miss.
Click to expand...
Click to collapse
Did you flash the corresponding vendor, bootloader and radio image for your rom as it states right at the beginning of the CM 14 thread? First post, 3rd sentence
berndblb said:
Did you flash the corresponding vendor, bootloader and radio image for your rom as it states right at the beginning of the CM 14 thread? First post, 3rd sentence
Click to expand...
Click to collapse
Not every time. I'll try, thanks.
alex.zz said:
Yes, in the past and I like it. Right now I have 5x in da'loop:laugh:
I tried to install cyan14 but still can't boot. Fastboot unlocked, twrp recovery.. I don't know what I miss.
Click to expand...
Click to collapse
Unlock bootloader not fastboot Right ?
fastboot unlock oem ? Right ?
flash via fastboot the last factory image for cm 14.1 Custom Rom
Flash TWRP 3.0.2.3.img via fastboot (fastboot flash recovery twrp-3.0.2.3.img)
Flash Cf Auto Root.img via fastboot or UpdateSU.zip via TWRP
Flash CM 14.1 Custom Rom , Flash Open gapps micro or pico and reboot if it's take over 10 minutes reboot in bootloader and start android again wait and enjoy
You don't have to do it every time, just make sure they match.
Read the OP. It's there for a reason....
Most likely you only need the vendor image
Sent from my K00C using Tapatalk

Best rom for Bell network

Hey guys and girls.
What would be a recommended HTC 10 custom rom with 7.x OS available for Bell network. My phone is S-OFF and unlocked and running stock 1.90.666.4 with twrp recovery. No official OTA has come out yet and i'm getting tired of waiting. :crying:
I need it be stable (no beta or alpha) with ElementalX Kernel and audio mods if possible. Also the camera has to be working and stable since I use it the most.
Share you're opinions, much appreciated!
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matthewacbroad said:
Hey guys and girls.
What would be a recommended HTC 10 custom rom with 7.x OS available for Bell network. My phone is S-OFF and unlocked and running stock 1.90.666.4 with twrp recovery. No official OTA has come out yet and i'm getting tired of waiting. :crying:
I need it be stable (no beta or alpha) with ElementalX Kernel and audio mods if possible. Also the camera has to be working and stable since I use it the most.
Share you're opinions, much appreciated!

Click to expand...
Click to collapse
Have you tried custom roms before? If you install either Leedroid or ViperRom which are the most popular roms, you can choose Unlocked as your variant and that might work on Bell.
Also since you have s-off you can convert your phone to u.s unlocked which already has nougat OTA.
I was thinking about this rom
https://forum.xda-developers.com/htc-10/development/bad-boyz-unlocked-htc-10-rom-6-0-1-t3380528
However I need to install new twrp? if so how can it be done.
matthewacbroad said:
I was thinking about this rom
https://forum.xda-developers.com/htc-10/development/bad-boyz-unlocked-htc-10-rom-6-0-1-t3380528
However I need to install new twrp? if so how can it be done.
Click to expand...
Click to collapse
If you're still on Marshmallow firmware then I don't think you need a new twrp. However check that thread to see if you need an updated firmware to run that rom.
Either way the latest twrp works on both mm and nougat firmwares. You can flash it directly from the twrp you already have installed.
Tarima said:
If you're still on Marshmallow firmware then I don't think you need a new twrp. However check that thread to see if you need an updated firmware to run that rom.
Either way the latest twrp works on both mm and nougat firmwares. You can flash it directly from the twrp you already have installed.
Click to expand...
Click to collapse
It was trial and error upgrading to Nougat
TWRP 3.0.2 does not stick to recovery partition after you flash in download mode when Nougat is installed. I found out the way around it was to flash 3.0.3 unofficial, Its the only way it sticks to recovery partition.
I am on Bell Canada.
-> Read this guide to unlock to US and upgrading to 1.80 OS (in guide).
-> Start OTA until it installs Nougat + updates
-> Reboot into Download
-> Run fastboot to flash twrp 3.0.3 (aka fastboot flash recovery twrp-3.0.3.img)
-> Reboot into bootloader + Recovery
-> Install SuperSU.zip
I'm on 7.0 (2.38.617.6) With Elemental X + Performance tweak v21 + AcoustiX Audio ZeroInfinity v31
made a quick video:
https://www.youtube.com/watch?v=k9sjmRC20ps
Screenshots.
Unlock the phone to us.
Install detoxed 2.46 nougat with magisk. Flash ex kernel with performance tweaks + audio mod

Failed to flash

Hey there,
I want to switch to these htt ps://download .lineageos. org/oneplus2 LOS 14.1 builds as I'm currently using LOS 14.1 by daktak. (Sorry, not allowed to post links right now..)
There haven't been any updates for almost 3 weeks now and I don't think that this will be updated any further.
Well, simply booting into recovery mode and flashing the newest LOS zip doesn't work for me. I guess it's because I'm not wiping my system partition, just data + dalvik cache... I thought I can simply switch/update from an older version of LOS? Do I really need to wipe everything again so I can install the LOS builds I've mentioned above?
Also I don't really understand the difference between signed and unsigned zips. The zip I want to flash is signed. Is this why I get "Failed to flash" as an error message in recovery? Does "signed" mean, I need to root my OP2 again and my current root will be removed?
Current LOS version 14.1-20170213-UNOFFICIAL-oneplus2 by daktak
Yakumichan said:
Hey there,
I want to switch to these htt ps://download .lineageos. org/oneplus2 LOS 14.1 builds as I'm currently using LOS 14.1 by daktak. (Sorry, not allowed to post links right now..)
There haven't been any updates for almost 3 weeks now and I don't think that this will be updated any further.
Well, simply booting into recovery mode and flashing the newest LOS zip doesn't work for me. I guess it's because I'm not wiping my system partition, just data + dalvik cache... I thought I can simply switch/update from an older version of LOS? Do I really need to wipe everything again so I can install the LOS builds I've mentioned above?
Also I don't really understand the difference between signed and unsigned zips. The zip I want to flash is signed. Is this why I get "Failed to flash" as an error message in recovery? Does "signed" mean, I need to root my OP2 again and my current root will be removed?
Current LOS version 14.1-20170213-UNOFFICIAL-oneplus2 by daktak
Click to expand...
Click to collapse
It is all explained here:
http://lineageos.org/Update-and-Build-Prep/
jhedfors said:
It is all explained here:
http://lineageos.org/Update-and-Build-Prep/
Click to expand...
Click to collapse
Thank you for your quick reply! After some issues using adb I could not fix (but I don't need to as I already did this somehow earlier for CM13) I managed to install LOS14.1 HYPE!
Maybe you could help me with my problem?
"No command 'fastboot' found"... But I can find my phone using adb devices.
Screenshot attached...
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Yakumichan said:
Thank you for your quick reply! After some issues using adb I could not fix (but I don't need to as I already did dis somehow earlier for CM13) I managed to install LOS14.1 HYPE!
Maybe you could help me with my problem?
"No command 'fastboot' found"... But I can find my phone using adb devices.
Screenshot attached...
Click to expand...
Click to collapse
I am not an expert on adb/fastboot, but is the fastboot binary in the directory? It is also a little difficult to interpret the language in your sceenshot.
jhedfors said:
I am not an expert on adb/fastboot, but is the fastboot binary in the directory? It is also a little difficult to interpret the language in your sceenshot.
Click to expand...
Click to collapse
Right, sorry. It's German and it says that the command "fastboot" either has been written wrong or hasn't been found.
And also: Yes, it is:
I think you need to check your drivers
The device should be connected via adb interface driver or android driver
After that you should be able to see ur device

Can't install any custom rom on A505W Canadian Variant. Unable to mount /vendor error.

Hello everyone. I currently have a A505W Canadian variant, bootloader unlocked and TWRP installed. I made the big mistake of updating to the last version of android 11 and, while I prefer android 10 for what I need the phone to do, I can't downgrade anymore. I'm trying to install, at that point, any custom rom there is. But I can't. I don't know if it's related, but every time I try to install a rom, with TWRP, I always get the error "Unable to mount '/vendor'" and the installation fail. Some rom get concidered successfully installed, by their custom installations process, but end in a boot loop. All I can do is install the stock firmware with odin. I've been on this for 3 days now, can anybody help me? That would be much appreciated. Have a nice day!
AliasGprime said:
Hello everyone. I currently have a A505W Canadian variant, bootloader unlocked and TWRP installed. I made the big mistake of updating to the last version of android 11 and, while I prefer android 10 for what I need the phone to do, I can't downgrade anymore. I'm trying to install, at that point, any custom rom there is. But I can't. I don't know if it's related, but every time I try to install a rom, with TWRP, I always get the error "Unable to mount '/vendor'" and the installation fail. Some rom get concidered successfully installed, by their custom installations process, but end in a boot loop. All I can do is install the stock firmware with odin. I've been on this for 3 days now, can anybody help me? That would be much appreciated. Have a nice day!
Click to expand...
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JuanTamqd21 said:
View attachment 5552791
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Click to collapse
Ok, so if I understand correctly I'll need to find custom roms specific to the A505W? which seem to be VERY rare.
AliasGprime said:
Ok, so if I understand correctly I'll need to find custom roms specific to the A505W? which seem to be VERY rare.
Click to expand...
Click to collapse
So far, only international variants(F and FN) are being built so we don't know if any rom will work on W variants. Maybe try GSI, they are almost the same but they mostly differ in vendor
JuanTamqd21 said:
So far, only international variants(F and FN) are being built so we don't know if any rom will work on W variants. Maybe try GSI, they are almost the same but they mostly differ in vendor
Click to expand...
Click to collapse
Alright, I don't exactly know what it is, but I'll check it out. Thanks for the help!
AliasGprime said:
Alright, I don't exactly know what it is, but I'll check it out. Thanks for the help!
Click to expand...
Click to collapse
yes, you should definitely check GSI and sGSI out. Some of the a50 users manage to boot android 13 dp1 on A50. for GSIs https://forum.xda-developers.com/f/treble-enabled-device-development-a-ab-roms.7260/
JuanTamqd21 said:
yes, you should definitely check GSI and sGSI out. Some of the a50 users manage to boot android 13 dp1 on A50. for GSIs https://forum.xda-developers.com/f/treble-enabled-device-development-a-ab-roms.7260/
Click to expand...
Click to collapse
I'm on it. I think I found one GSI rom that is working pretty well for now. I need this phone to do a very specific job. I prefers magisk 23 for this since I need magisk hide. So I tend to go with older version of android (10 or 11). Also, the lastest stock firmware was not really up to the task either (got many bugs) and I made the mistake to update my android 10 stock, which was working perfectly, to the last official version of 11, so no downgrade possible for me. I just need to find the right rom for my needs now.
AliasGprime said:
I just need to find the right rom for my needs now.
Click to expand...
Click to collapse
Search XDA for the latest Frija Windows application version. Beyond that, sammobile.com is where I've pulled my provider's stock images for an upcoming downgrade attempt. You should be able find your provider's CSC easily enough elsewhere; you'll need it to pull the proper ROM.
@AliasGprime how did you unlock the bootloader on your A505W? I'm researching this and see only paid options to unlock BL and no one can reach the member who used to unlock.
EDIT: after several attempts, I did finally get the bootloader unlock menu.
Hi,
Just wanted to put this info out there for unlocking bootloader. ( This would wipe your data )
Model A505W
Steps:
Enable OEM Unlock
Power Off
Hold vol-up and vol-down and power button ( As per other tutorials and videos you have to attach charging cable but that did not work for me )
Follow instructions on screen
reboot ( It takes long to reboot as all data is going to be wiped )

Bootloop with standard ROM and working with custom

Hi there,
today I installed PixelExperience then ProjectElixir on my MI 10T Pro with no issues.
I basically just had to try it then I wanted to get back to the default OS but I'm unable to do it.
I tried to use Xiaomi Mi Tool v2 too and everything seems working correctly but when the system tries to boot it is stuck, bootlooping.
Then I tried again to flash TWRP 3.4.0.1 and flash a custom ROM (i.e. Pixel Experience) and it works.
Seems I'm having the problem only while flashing the factory OS; how is that possible? How can I dig deeper into the issue?
Thanks
gtorre92 said:
Hi there,
today I installed PixelExperience then ProjectElixir on my MI 10T Pro with no issues.
I basically just had to try it then I wanted to get back to the default OS but I'm unable to do it.
I tried to use Xiaomi Mi Tool v2 too and everything seems working correctly but when the system tries to boot it is stuck, bootlooping.
Then I tried again to flash TWRP 3.4.0.1 and flash a custom ROM (i.e. Pixel Experience) and it works.
Seems I'm having the problem only while flashing the factory OS; how is that possible? How can I dig deeper into the issue?
Thanks
Click to expand...
Click to collapse
Try with this tool
https://forum.xda-developers.com/t/flash-tool-guide-use-xiaomi-flash-tool.4262425/
gtorre92 said:
Hi there,
today I installed PixelExperience then ProjectElixir on my MI 10T Pro with no issues.
I basically just had to try it then I wanted to get back to the default OS but I'm unable to do it.
I tried to use Xiaomi Mi Tool v2 too and everything seems working correctly but when the system tries to boot it is stuck, bootlooping.
Then I tried again to flash TWRP 3.4.0.1 and flash a custom ROM (i.e. Pixel Experience) and it works.
Seems I'm having the problem only while flashing the factory OS; how is that possible? How can I dig deeper into the issue?
Thanks
Click to expand...
Click to collapse
You can flash stock rom using the official MiFlash tool using the fastboot rom or using twrp recovery rom but you'll need to FORMAT DATA due to different encryption. I'm using this twrp and works fine - https://dl.akr-developers.com/?file=skkk/TWRP/A12/v6.3_A12/[REC_BOOT]3.6.2_12-RedmiK30SUltra-Mi10T[Pro]_v6.3_A12-apollo-skkk_dc4ecad7.zip
Hello guys, i have a problem on my Mi10t non pro global version
whenever i tried, my TWRP can't proceed in installing Disable_Dm-Verity_ForceEncrypt_11.02.2020, also tried different force encrypt and other vmbeta file still no luck, my version is MIUI 12.5.2 android 11, can anyone help me? i really needed this to install custom ROMs too, thank you very much
NOSS8 said:
Try with this tool
https://forum.xda-developers.com/t/flash-tool-guide-use-xiaomi-flash-tool.4262425/
Click to expand...
Click to collapse
Hi there,
I've not been able to use MiFlash, which was crashing both on Windows 10 and Windows 11 PCs.
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Anyway, using the fastboot version of the official ROM (with the bat script flash_all.bat) worked correctly, even if it took quite a while to download.
gtorre92 said:
Hi there,
I've not been able to use MiFlash, which was crashing both on Windows 10 and Windows 11 PCs.
View attachment 5726557
Anyway, using the fastboot version of the official ROM (with the bat script flash_all.bat) worked correctly, even if it took quite a while to download.
Click to expand...
Click to collapse
Just create an empty txt file of the same name.

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