Develop Bugs

[Q] I have a mountain of questions before I decide to buy this phone :)

Hello everyone,
I have got a mountain of questions that arised from reading the forum and a lot of different topics.
I'll have numbers on them, so if you can/want to only answer a few of them you can refer to the number.
1. I've read about this ARB quite a lot, what's the deal with that if I want to go to a custom rom?
2. I understood that it matters where to buy the device in terms of an unlocked bootloader (TradingShenzen seems like a good place to start). But if I can't get my hands on a phone with unlocked bootloader, can I unlock it myself?
3. I'd like to go with the xiaomi.eu rom, any advice on how to get there? What I mean is, should I choose a CN model or is a Global model better, does it matter? What steps to take regarding TWRP and avoiding ARB, etc.
4. What does GSI stand for? I haven't found any thread explaining what that means, and I'm quite new to xiaomi devices (would be my first one).
5. I've also seen that there are quite a few different variants of this device, do the roms for it just work on all of them or do I need to check if the model is supported? (That seems to be a bit different to other phone vendors)
That's it for now, please don't kill me if some of the things have been answered before, I haven't found an answer to the questions so far (the infos that I got so far were insufficient)
Cheers,
Zacki

1 Google introduced ARB, a safeguard to not create an older version of the system from the currently released. If you install the official older version of the system for a new one, you will wall your phone.
Does not apply to Custom ROM
2 You can unblock the bootloader yourself on the official xiaomi website. It takes about 300 hours
3 unlock the bootloader, install recovery, install xiaomi.eu. Global rom is more stable, but xiaomi.eu has more personalization options. Recently, xiaomi.eu does not cause problems on Mi Max3, but it causes problems on other models.
4 GSI https://source.android.com/setup/build/gsi
5 Mi Max3 Global 4gb RAM 64gb internal memory,
Mi Max China 6gb RAM 128gb internal memory
You can install the Global ROM on the china version if you have unlocked the boootloader, and remember about the ARB. Otherwise, you will wall your phone
The Global version is popular.

Bartos81 said:
1 Google introduced ARB, a safeguard to not create an older version of the system from the currently released. If you install the official older version of the system for a new one, you will wall your phone.
Does not apply to Custom ROM
2 You can unblock the bootloader yourself on the official xiaomi website. It takes about 300 hours
3 unlock the bootloader, install recovery, install xiaomi.eu. Global rom is more stable, but xiaomi.eu has more personalization options. Recently, xiaomi.eu does not cause problems on Mi Max3, but it causes problems on other models.
4 GSI https://source.android.com/setup/build/gsi
5 Mi Max3 Global 4gb RAM 64gb internal memory,
Mi Max China 6gb RAM 128gb internal memory
You can install the Global ROM on the china version if you have unlocked the boootloader, and remember about the ARB. Otherwise, you will wall your phone
The Global version is popular.
Click to expand...
Click to collapse
Thanks for your reply.
@1. Interesting to see what Google is up to with things like this...why would they want this?
@2. Thanks, but whoa that's quite some time...and I guess I can only trigger the 300h AFTER I bought the phone, right? (Why so many hours actually...?)
@3. I've read about the changes they made to the rom and I like that. But what do you mean with being "less stable" than the global rom? In what way? I'd like to use that as my daily driver if I get it (not the weekly builds of course).
@4. Will have a look, thanks :good:
@5. I was actually looking at the 6GB/128GB version of the phone, if I can convince my wife to allow me to spend ~260€ on a phone (I'm currently a student ).
In this case, I'd already have an unlocked bootloader and if I want to install the rom from xiaomi.eu, there should be no problem, right? Also regarding ARB, this should be fine, right?
And in what ways are the CN and the Global versions different other than the rom? Are there differences for the supported bands or radios? I live in Austria, can I use the CN model here without any downside?
Edit: I'm having a look at this particular model, it would be available with CN firmware or with Global firmware. Would that still account as CN model in this case?
TradingShenzhen - Mi Max 3 - 6gb-ram-128gb-rom-snapdragon-636
Cheers

Google thinks people should use the latest system because it provides better security.
Xiaomi introduced a long wait time to unlock the bootloader, because dishonest sellers offered CN versions outside of China and India by installing the Global system on it. The CN version is only for China and India.
Xiaomi.eu provides its system every week. Contains various patches and additions. Sometimes something does not work, payments, BT paired in the car, notifications etc. In my phone, the last two versions do not work Gmail notifications. In today's version, people write that OK Google is not working.
If you unlock the bootloader, you can install xiaomi.eu. The ARB will be kept at the level of the official system you had.
The CN system contains only Chinese and English. It does not offer Google Play, it also contains full Chinese software.
Version 6/128 is only a CN model. If the seller offers with the Global system, it means that he has unlocked the bootloader and installed the Global system. You naturally lose the Xiaomi warranty.

Bartos81 said:
Google thinks people should use the latest system because it provides better security.
Xiaomi introduced a long wait time to unlock the bootloader, because dishonest sellers offered CN versions outside of China and India by installing the Global system on it. The CN version is only for China and India.
Click to expand...
Click to collapse
Ok got that, seems like people are trying everything to make a few bucks extra... Then it would have to be so (waiting).
Bartos81 said:
Xiaomi.eu provides its system every week. Contains various patches and additions. Sometimes something does not work, payments, BT paired in the car, notifications etc. In my phone, the last two versions do not work Gmail notifications. In today's version, people write that OK Google is not working.
Click to expand...
Click to collapse
Ok that's not such a big issue, as I said. I'd stay on the "stable" builds, not the weekly ones.
Bartos81 said:
If you unlock the bootloader, you can install xiaomi.eu. The ARB will be kept at the level of the official system you had.
Click to expand...
Click to collapse
So the xiaomi.eu roms don't have any of that ARB stuff, good to know. Could I technically install an older version of that custom rom without triggering the ARB or is that not possible? Just so I understand that.
And how is that with other custom roms? I've read in some threads that you have to make sure you have the correct ARB if you want to flash that particular rom, why that?
Bartos81 said:
The CN system contains only Chinese and English. It does not offer Google Play, it also contains full Chinese software.
Version 6/128 is only a CN model. If the seller offers with the Global system, it means that he has unlocked the bootloader and installed the Global system. You naturally lose the Xiaomi warranty.
Click to expand...
Click to collapse
I'm not worried about the warranty but more about the specifics of the device. Is the CN model different in any way that it may not work properly with the providers in europe? Or things like that?
And sadly that vendor does not seem to have that version in stock at the moment, so I was thinking of getting the regular CN version of the device, that's why I'm asking

As for xiaomi.eu it does not contain ARB, but there are exceptions. If the phone gets an update to android 9 - xiaomi.eu must use the full original xiaomi firmware from ARB. The next versions on the same adroid no longer have files responsible for ARB.
Current level of ARB = 4 from Oreo to Pie. What you can not do:
to install MIUI9,
to install Miui Global on a CN version phone with a locked bootloader
block in the bootloader if you have Miui Global on your CN
install Miui China on a Global phone and block the bootloader.
Custom GSI roms do not have an ARB, you can install anything.
Mi Max 3 in the CN version in addition to the system and memory does not differ from the specification from Global. Will work in Austria.

Bartos81 said:
As for xiaomi.eu it does not contain ARB, but there are exceptions. If the phone gets an update to android 9 - xiaomi.eu must use the full original xiaomi firmware from ARB. The next versions on the same adroid no longer have files responsible for ARB.
Click to expand...
Click to collapse
So if I get the phone with Android 8.1 and I want to get MIUI 10 (Android 9) I need to update with the official rom and then flash the xiaomi.eu rom?
And while we are at that, if I buy the CN variant, do I have to upgrade to PIE with the CN official rom or can I also do this with the Global rom to get ARB to 4?
And what't the deal with the developer versions of the original roms? I've read something about them but would that help me in any way?
Found that website in another thread: Link
Bartos81 said:
Current level of ARB = 4 from Oreo to Pie. What you can not do:
to install MIUI9,
to install Miui Global on a CN version phone with a locked bootloader
block in the bootloader if you have Miui Global on your CN
install Miui China on a Global phone and block the bootloader.
Click to expand...
Click to collapse
Ok but once the bootloader is open, why relock it anyway?^^ And I've read that on the xiaomi.eu roms you can not accidentaly relock the bootloader.
Bartos81 said:
Custom GSI roms do not have an ARB, you can install anything.
Mi Max 3 in the CN version in addition to the system and memory does not differ from the specification from Global. Will work in Austria.
Click to expand...
Click to collapse
Working in Austria sounds good, but what exactly do you mean with "in addition to system and memory". The system and memory are different in the two versions and the rest is the same? Is there anything I should be aware of while using the phone?
Oh and by the way, thank you for answering all my questions

So if I get the phone with Android 8.1 and I want to get MIUI 10 (Android 9) I need to update with the official rom and then flash the xiaomi.eu rom?
And while we are at that, if I buy the CN variant, do I have to upgrade to PIE with the CN official rom or can I also do this with the Global rom to get ARB to 4?
And what't the deal with the developer versions of the original roms? I've read something about them but would that help me in any way?
Found that website in another thread: Link
Click to expand...
Click to collapse
it's not like that. You do not need to update the system. Xiaomi.eu is built with miui china developer extended to additional language translations, optimizations of softu for Europeans and a few additions that occur only in the Chinese version of the miui.
The whole system, firmware and kernel is miui china. If you install xiaomi.eu then you install the entire system, with the firmware and kernel. They are suitable for the android version.
You can have miui global Oreo and install xiaomi.eu Pie. Everything will be updated.
Miui Global is available in Stable and Dev versions. Dev-Beta is a development version released every week, contains the latest security, system fixes and errors detected in the Stable version, as well as new additions that are tested and do not always have to work correctly (like the development version of xiaomi.eu). As developers will correct detected errors, the stable version is created.
I just installed myself Global dev. I like it more than xiaomi.eu. Everything works so far. I usually use Global dev, and xiaomi.eu tests once in a while.
Ok but once the bootloader is open, why relock it anyway?^^ And I've read that on the xiaomi.eu roms you can not accidentaly relock the bootloader.
Click to expand...
Click to collapse
Some block the bootloader from ignorance or inadvertently.
When installing a new ROM by MiFlash, you have the following options:
install and block the bootloader (by default selected)
clean everything and install
save data and install
Working in Austria sounds good, but what exactly do you mean with "in addition to system and memory". The system and memory are different in the two versions and the rest is the same? Is there anything I should be aware of while using the phone?
Click to expand...
Click to collapse
the parameters of the telephone accessories and the frequency ranges of the network are the same. The difference is 6gb RAM, 128gb Internal memory and MIUI china.

Bartos81 said:
it's not like that. You do not need to update the system. Xiaomi.eu is built with miui china developer extended to additional language translations, optimizations of softu for Europeans and a few additions that occur only in the Chinese version of the miui.
The whole system, firmware and kernel is miui china. If you install xiaomi.eu then you install the entire system, with the firmware and kernel. They are suitable for the android version.
You can have miui global Oreo and install xiaomi.eu Pie. Everything will be updated.
Click to expand...
Click to collapse
Ok sounds good, so if I want to go for the xiaomi.eu rom, I can just go ahead an flash that thing and I'm good, that's what I understood. Is that correct?
Bartos81 said:
Miui Global is available in Stable and Dev versions. Dev-Beta is a development version released every week, contains the latest security, system fixes and errors detected in the Stable version, as well as new additions that are tested and do not always have to work correctly (like the development version of xiaomi.eu). As developers will correct detected errors, the stable version is created.
I just installed myself Global dev. I like it more than xiaomi.eu. Everything works so far. I usually use Global dev, and xiaomi.eu tests once in a while..
Click to expand...
Click to collapse
Interesting, because I've read somewhere that the normal and the dev version are more or less the same, just that you have to use the dev version in certain situations to "unbrick" because of something with the bootloader (but I don't actually remember the details).
Bartos81 said:
Some block the bootloader from ignorance or inadvertently.
When installing a new ROM by MiFlash, you have the following options:
install and block the bootloader (by default selected)
clean everything and install
save data and install
Click to expand...
Click to collapse
I've also read about that tool, is it required to flash roms or can I do that via TWRP? And why would such an option be selected by default...? I've already seen someone brick his device because of that
Bartos81 said:
the parameters of the telephone accessories and the frequency ranges of the network are the same. The difference is 6gb RAM, 128gb Internal memory and MIUI china.
Click to expand...
Click to collapse
Ok got that, and the MIUI china doesn't really matter once I'm on the xiaomi.eu rom.
Good, I think I might actually see that I can get the cash together and order the phone Getting excited now.
Any resources I should read before I might do something stupid?

If you have an unlocked bootloader then you install twrp and flash xiaomi.eu
Interesting, because I've read somewhere that the normal and the dev version are more or less the same, just that you have to use the dev version in certain situations to "unbrick" because of something with the bootloader (but I don't actually remember the details).
Click to expand...
Click to collapse
Using dev to unlock the bootloader affected old phones. Currently, it does not matter. Rom useful as well as Stable.
I've also read about that tool, is it required to flash roms or can I do that via TWRP? And why would such an option be selected by default...? I've already seen someone brick his device because of that
Click to expand...
Click to collapse
Miflash is used to install only official miui Rom, you use the rom .Tgz package
It installs through Miflash with the cleaning option. It does not leave garbage in the old system.
Ok got that, and the MIUI china doesn't really matter once I'm on the xiaomi.eu rom.
Good, I think I might actually see that I can get the cash together and order the phone Getting excited now.
Any resources I should read before I might do something stupid?
Click to expand...
Click to collapse
If you have xiaomi.eu then china rom does not matter.
You can look for a seller who offers a phone with downloaded xiaomi.eu or miui global - to choose from
in the past, the sellers offered the china version.

Bartos81 said:
If you have an unlocked bootloader then you install twrp and flash xiaomi.eu
Click to expand...
Click to collapse
So last question for now (I hope ), if I decide to get the EU version instead, can I still unlock the bootloader or is that only possible on the CN versions?

you can in any xiaomi

Bartos81 said:
You can unblock the bootloader yourself on the official xiaomi website. It takes about 300 hours
Click to expand...
Click to collapse
I've just read in another thread that it is 720 hours that's full 30 days... I hope it's more the 300 hours you said but I fear I might have to wait a full month for that...
Can anyone confirm this number of hours?
Cheers

Usually it is 720 hours, but I checked it every now and then, after 4 days, this time has decreased by half.

It's 100% not decreased or changed it 720 hours. Unless you had a mi account before an unlocked a phone

techdeisel said:
It's 100% not decreased or changed it 720 hours. Unless you had a mi account before an unlocked a phone
Click to expand...
Click to collapse
That is an interesting note. I created an account a few days ago, when I ordered the phone. Does this already count as "having an account before trying to unlock"?

Hey. i have red magic 5G china version how i can put the global version

Hey. i have red magic 5G china version how i can put the global version
model: NX659J
there is any global official ROM available
THANK

Right now there is no official Global ROM for download, there is only the official China ROM from Nubia, and Black Magic 5G custom ROM which is a Global Clone based off of the official China ROM release, it's very close to being a Global Clone from what I've been seeing but haven't been able to get it working on my 12/256 Global. The only things I know so far is Black Magic 5G Doesn't have an App Drawer or NFC working yet, but given how ambitious the Dev is, it shouldn't be long before this is fixed.

bANONYMOUS said:
Right now there is no official Global ROM for download, there is only the official China ROM from Nubia, and Black Magic 5G custom ROM which is a Global Clone based off of the official China ROM release, it's very close to being a Global Clone from what I've been seeing but haven't been able to get it working on my 12/256 Global. The only things I know so far is Black Magic 5G Doesn't have an App Drawer or NFC working yet, but given how ambitious the Dev is, it shouldn't be long before this is fixed.
Click to expand...
Click to collapse
Can you please share the link for these ROM's? Also, do you know if there is a developer doing a custom ROM right now? If it is, who is?
I was looking for something related to ROM's but I can't find anything.

Hello
Not sure why you want to change to global rom. But if it's for calls and text messages to work in the USA. You really just have to fastboot flash the non-hlos.bin file. Which is the modem. If it's cause you want nfc and your a cn version phone. Never gonna get it. Nfcis not on the cn version at all. And it's blocked by a script. I can give you the non-hlos.bin file I flashed to get global phone services. But a warning!!! If you flash this file you will not receive ota updates. And if you do. It will fail to update. Apparently when I flashed that modem. It changed how the phone recieves ota updates

jano83 said:
Hey. i have red magic 5G china version how i can put the global version
model: NX659J
there is any global official ROM available
THANK
Click to expand...
Click to collapse
https://help.redmagic.gg/hc/en-us/articles/900000992366-RedMagic-5G
Yes, you can, I also have the Chinese version smartphone, but had several problems, including in the 4g that had no network.
Simply download version 4.09 and put in the main directory of the phone, go to update, click on the three dots on top right and choose manual update, then you choose the downloaded file and update without problems.

Question Can I change my Indian Software OOS to the International/European OOS?

I posted this on OP9 forum but OP9 Pro forum looks more active, sorry in advance.
I bought a OP9 chinese model LE2110, my software is oxygen OS 11.2.3.3 LE25DA (indian)
I want global version because this one has some bloatware and indian company cloud notifications that i dont want.
Is it possible to change it to international version? i downloaded the global one but i cant install it (local) because its a downgrade or equal to my current one. i updated to the latest version when setting up my phone.
The chinese version/model doesnt have wireless charging, so if there is a problem with compatability, can I change back to the indian variant?
note: I dont care about my data i can format everything, my old phone still works and I can transfer all data later.

McFozan said:
I posted this on OP9 forum but OP9 Pro forum looks more active, sorry in advance.
I bought a OP9 chinese model LE2110, my software is oxygen OS 11.2.3.3 LE25DA (indian)
I want global version because this one has some bloatware and indian company cloud notifications that i dont want.
Is it possible to change it to international version? i downloaded the global one but i cant install it (local) because its a downgrade or equal to my current one. i updated to the latest version when setting up my phone.
The chinese version/model doesnt have wireless charging, so if there is a problem with compatability, can I change back to the indian variant?
note: I dont care about my data i can format everything, my old phone still works and I can transfer all data later.
Click to expand...
Click to collapse
i think u can as i have changed from EU to indian OOS - i couldnt wait to try 11.2.4.4 lol
But the key is it must be later version that yr current OOS which means u are on 11.2.3.3 to EU 11.2.3.3 it will not work - that was based on my experience.
Agree with u the bloatwares are annoying.. perhaps i will go back to EU once a newer than 4.4 is out.
So far, all seems to work. I cant comment for 5G as its not available in my telcom

mgear356 said:
i think u can as i have changed from EU to indian OOS - i couldnt wait to try 11.2.4.4 lol
But the key is it must be later version that yr current OOS which means u are on 11.2.3.3 to EU 11.2.3.3 it will not work - that was based on my experience.
Agree with u the bloatwares are annoying.. perhaps i will go back to EU once a newer than 4.4 is out.
So far, all seems to work. I cant comment for 5G as its not available in my telcom
Click to expand...
Click to collapse
Wait so if a new update comes, and I DONT update. I can manually download the new international version from Oneplus website and do a local update? Then It will switch to the international version?
I hope they make a new update soon..

McFozan said:
Wait so if a new update comes, and I DONT update. I can manually download the new international version from Oneplus website and do a local update? Then It will switch to the international version?
I hope they make a new update soon..
Click to expand...
Click to collapse
yes u are right, skip the current india 4.4 update and wait for international or EU version. then do local upgrade

mgear356 said:
yes u are right, skip the current india 4.4 update and wait for international or EU version. then do local upgrade
Click to expand...
Click to collapse
Question: You did all this on your OP9?
The chinese OP9 doesn't have wireless charging hardware like the EU version, I'm afraid of compatibility problems.
Any ideas?

McFozan said:
Question: You did all this on your OP9?
The chinese OP9 doesn't have wireless charging hardware like the EU version, I'm afraid of compatibility problems.
Any ideas?
Click to expand...
Click to collapse
oh mine is OP9P EU version

McFozan said:
Question: You did all this on your OP9?
The chinese OP9 doesn't have wireless charging hardware like the EU version, I'm afraid of compatibility problems.
Any ideas?
Click to expand...
Click to collapse
I know you have the non pro china model but just to know, you have after switching to oxygen does the following are working?
5G, 4g+ (carrier aggregation), volte, google pay? and in which country are you?

Oh I just did local upgrade from India 4.4 to eu 4.4, it works.. So I think u can downloading and do it. Worst case, use oxygen updater and change back to global and revert

I see.. when you switched to eu 4.4, did it remove Cloud Service (indian version has this advertisement)? or Red Cable Club?

mgear356 said:
Oh I just did local upgrade from India 4.4 to eu 4.4, it works.. So I think u can downloading and do it. Worst case, use oxygen updater and change back to global and revert
Click to expand...
Click to collapse
I see.. when you switched to eu 4.4, did it remove Cloud Service (indian version has this advertisement)? or Red Cable Club?

McFozan said:
I see.. when you switched to eu 4.4, did it remove Cloud Service (indian version has this advertisement)? or Red Cable Club?
Click to expand...
Click to collapse
Cloud I manage to disable befor changing
But after eu version, I can Uninstall red cable app

mgear356 said:
Cloud I manage to disable befor changing
But after eu version, I can Uninstall red cable app
Click to expand...
Click to collapse
Thank you very much kind sir. I look forward to the next update

Hank87 said:
I know you have the non pro china model but just to know, you have after switching to oxygen does the following are working?
5G, 4g+ (carrier aggregation), volte, google pay? and in which country are you?
Click to expand...
Click to collapse
Sorry I just read your message.
I didn't switch to oxygen, i think the seller did the switch and shipped it to me.
4G works, 5G doesnt work. Im in Saudi Arabia.
I don't use google pay but there is NFC.
Check Signals/Bands for each phone version, and the signals and bands that your carrier use. You can find them in the specifications for each phone

McFozan said:
Sorry I just read your message.
I didn't switch to oxygen, i think the seller did the switch and shipped it to me.
4G works, 5G doesnt work. Im in Saudi Arabia.
I don't use google pay but there is NFC.
Check Signals/Bands for each phone version, and the signals and bands that your carrier use. You can find them in the specifications for each phone
Click to expand...
Click to collapse
I'm asking because I know sometimes chinese versions even if they have the bands for eu, carrier aggregation, volte or 5g still doesn't work.

Hi there, is there any way to force installing also an older version of EU OS?
I mean via fastboot or magisk?

No it's not possible i was confirm about it from multiple experts even from lightweight tennis stringing machines experts too but it's not working.

OOS 12 OB 2

Strange, it seems to me that this forum has completely died. Considering that Oneplus 7t is already an old device, I can understand that. But no one, absolutely no one comments on the new update that came out, OOS 12 as OB1 and very soon after OB2. Bearing in mind that Beta 1 and 2 were released for the Indian version and not for Global or EU... Does anyone have any experience and what are their first impressions? Can it be used as a daily driver on this device? Does Magisk Roor work? OOD? Did you so complete whipped all data before flashing? Can you install it over Ob5 (officially it suggested to flash it over latest stable version)? Did anyone install it on EU or Global variant 7t (again, officially ther is significant difference on Android 12, between India and Global/Eu variant)?

ontwykende said:
Strange, it seems to me that this forum has completely died. Considering that Oneplus 7t is already an old device, I can understand that. But no one, absolutely no one comments on the new update that came out, OOS 12 as OB1 and very soon after OB2. Bearing in mind that Beta 1 and 2 were released for the Indian version and not for Global or EU... Does anyone have any experience and what are their first impressions? Can it be used as a daily driver on this device? Does Magisk Roor work? OOD? Did you so complete whipped all data before flashing? Can you install it over Ob5 (officially it suggested to flash it over latest stable version)? Did anyone install it on EU or Global variant 7t (again, officially ther is significant difference on Android 12, between India and Global/Eu variant)?
Click to expand...
Click to collapse
Ob2 fixed dead fastboot mode on ob1. Works great for eu or global OP7T. Very stable and perfect for DD. Keeps data if "local update" (download file via oxygen updater app). Rooting via magisk-patching boot.Img and then "fastboot flash boot magiskpatchedboot.Img" works fine. This "IN" version does not have IN bloat and meant for all op7t. After update booted up fine then do it again to install ob2 into slot B.

HueyT said:
Ob2 fixed dead fastboot mode on ob1. Works great for eu or global OP7T. Very stable and perfect for DD. Keeps data if "local update" (download file via oxygen updater app). Rooting via magisk-patching boot.Img and then "fastboot flash boot magiskpatchedboot.Img" works fine. This "IN" version does not have IN bloat and meant for all op7t. After update booted up fine then do it again to install ob2 into slot B.
Click to expand...
Click to collapse
Thanks for these details. Does this mean that it is safe and that without data loss it can be flas directly from OB5 (Global) ?
How is battery? Speed? Benefits and cons, compare to OB5 oos11 ?
Your, subjective filing?
Thanks in advance

ontwykende said:
Thanks for these details. Does this mean that it is safe and that without data loss it can be flas directly from OB5 (Global) ?
How is battery? Speed? Benefits and cons, compare to OB5 oos11 ?
Your, subjective filing?
Thanks in advance
Click to expand...
Click to collapse
Yes on updating with data preserved. Battery is better than oos11. Faster and smoother than oos11.

HueyT said:
Yes on updating with data preserved. Battery is better than oos11. Faster and smoother than oos11.
Click to expand...
Click to collapse
Thank You... And one more last question... On Ob5 we had AOD (exist in op lab).. But it's was not present on stable version OOS 11... Does AOD wotk out of box on 12... or you can turn it on if you are Root like it was possible on oos11 ?

ontwykende said:
Thank You... And one more last question... On Ob5 we had AOD (exist in op lab).. But it's was not present on stable version OOS 11... Does AOD wotk out of box on 12... or you can turn it on if you are Root like it was possible on oos11 ?
Click to expand...
Click to collapse

AOD on oos12.1

HueyT said:
Ob2 fixed dead fastboot mode on ob1. Works great for eu or global OP7T. Very stable and perfect for DD. Keeps data if "local update" (download file via oxygen updater app). Rooting via magisk-patching boot.Img and then "fastboot flash boot magiskpatchedboot.Img" works fine. This "IN" version does not have IN bloat and meant for all op7t. After update booted up fine then do it again to install ob2 into slot B.
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can i go directly from global OOS11 to IN OOS12 OB2 while maintaining root buy using local update and the re-flash magisk to slot b?

ystokar said:
can i go directly from global OOS11 to IN OOS12 OB2 while maintaining root buy using local update and the re-flash magisk to slot b?
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No as you'll lose root with local update and twrp won't work on oos12. I patched mine and fastboot flash boot magiskboot.img

HueyT said:
No as you'll lose root with local update and twrp won't work on oos12. I patched mine and fastboot flash boot magiskboot.img
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I don't have TWRP. Till now haven't lost root when using local update with flashing of magisk to empty slot prior to reboot.

Oxygen Updater, when I change from OnePlus 7t (international) to India verseion, and Beta (full), give me just HD1901_11_F.15
firmwaere... about 3.92Gb.... I supose thos is not 12 Ob2 ?

ontwykende said:
Oxygen Updater, when I change from OnePlus 7t (international) to India verseion, and Beta (full), give me just HD1901_11_F.15
firmwaere... about 3.92Gb.... I supose thos is not 12 Ob2 ?
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That's it !!!

ystokar said:
I don't have TWRP. Till now haven't lost root when using local update with flashing of magisk to empty slot prior to reboot.
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Then try it. If it works then let us know; if not, do it old skool (my way)

HueyT said:
Then try it. If it works then let us know; if not, do it old skool (my way)
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It worked. Data intact

I'm curious. What do you guys still need root for? My phones were always rooted since my Nexus S until Nexus 5, but on my 7T I don't find it necessary anymore.

ej8989 said:
I'm curious. What do you guys still need root for? My phones were always rooted since my Nexus S until Nexus 5, but on my 7T I don't find it necessary anymore.
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I need it to have full control over my device... to get no Ads to use of Titanium Backup, to be able to control device thrue Tasker (Wifi, mobile data and more..
that I use), it's must for me

And I apologize for being boring, but just to confirm one more time... There is no difference between the Indian version and the EU/International version in terms of modems and frequencies for 3g/4g connection? Or so ever, to be obstacle to use it as main driver in Europe or World wide?
I am on OB5 International but I live in Europe.

ontwykende said:
And I apologize for being boring, but just to confirm one more time... There is no difference between the Indian version and the EU/International version in terms of modems and frequencies for 3g/4g connection? Or so ever, to be obstacle to use it as main driver in Europe or World wide?
I am on OB5 International but I live in Europe.
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My device is global and I live in Southeast Asia region. Signal surprisingly improved using OB2 indian rom. But I can't say the same thing for other locations.

Anyone use it Europe?
Alos. does anyone use Huawei Health app to connect with watch? I find out that mod Huawei Helth (that can sideload costum wachfaces) have problem to work on OP devices with Android 12 (Op8 and Op9 devices)...

ontwykende said:
Anyone use it Europe?
Alos. does anyone use Huawei Health app to connect with watch? I find out that mod Huawei Helth (that can sideload costum wachfaces) have problem to work on OP devices with Android 12 (Op8 and Op9 devices)...
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I'm using it on a HD1903 model (in hungary), everything works fine

Question How to change my OP9 pro indian firmware to european ?

So my OP9 pro is a Chinese variant that came preloaded with oxygen OS out of the box but Indian variant, the phone works well except for one problem, it doesn't support 5G where i am ( Dubai using etisalat) while my wife's 9 pro came preloaded with the european firmware and 5G works fine on the same network, is there a way to switch to the latest european build ( C.62) and will i need to do a factory reset ?
thanks in advance.

Mardds said:
So my OP9 pro is a Chinese variant that came preloaded with oxygen OS out of the box but Indian variant, the phone works well except for one problem, it doesn't support 5G where i am ( Dubai using etisalat) while my wife's 9 pro came preloaded with the european firmware and 5G works fine on the same network, is there a way to switch to the latest european build ( C.62) and will i need to do a factory reset ?
thanks in advance.
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MSM tool and yes it includes factory reset.

Check the 5G frequency is supported on your China varient.

ekin_strops said:
MSM tool and yes it includes factory reset.
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thank you for the reply, where can i download the european version of the latest A12 firmware?

AndyC76 said:
Check the 5G frequency is supported on your China varient.
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I've seen these before, the phone does support the frequencies of my carrier, but for some reason it wont connect to 5G at all.

Oxygen Updater - Apps on Google Play
Skip staged rollout queues and update your OnePlus device ASAP!
play.google.com
Global rom has 5G I don't think EU rom does. I could be wrong though. I had to switch to Global when I converted before to get 5G. But maybe it has changed since then.

NameIsOptional said:
Oxygen Updater - Apps on Google Play
Skip staged rollout queues and update your OnePlus device ASAP!
play.google.com
Global rom has 5G I don't think EU rom does. I could be wrong though. I had to switch to Global when I converted before to get 5G. But maybe it has changed since then.
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Click to collapse
Of course EU ROMs HAVE 5G.