Develop Bugs

Go back to Stock ROM from Custom ROM (Help)

Hello you beautiful people ,
I recently purchased a Redmi Note 5 AI and i want to unlock the bootloader and flash a custom ROM since i'm not happy with MIUI, i have read about ARB and i'm fully aware that i can't flash an older MIUI ROM with a lower ARB than what i previously had.
But what's absolutely confusing me is if i decide to change my mind, how do i go back to Stock Everything (ROM, Recovery, Bootloader) basically and be able to receive OTA's from Xiaomi normally again? (I tried to search the forums to find an answer but i couldn't find anything so please don't tell me to check the forums).

Download fastboot ROM and flash it using MiFlash software
For more info visit en.miui.com/a-234.html

SunilSuni said:
Download fastboot ROM and flash it using MiFlash software
For more info visit en.miui.com/a-234.html
Click to expand...
Click to collapse
Doing that will lock the bootloader and bring back the stock recovery as well, and i'm able to get OTA updates again?

ZozaTermina3or said:
Doing that will lock the bootloader and bring back the stock recovery as well, and i'm able to get OTA updates again?
Click to expand...
Click to collapse
You will get option to lock the bootloader or keep the bootloader unlocked
Yes this method will bring stock recovery and you will get OTA updates.
You have to download global ROM to flash it on global variant device
Or China ROM to flash it on Chinese variant device

SunilSuni said:
You will get option to lock the bootloader or keep the bootloader unlocked
Yes this method will bring stock recovery and you will get OTA updates.
You have to download global ROM to flash it on global variant device
Or China ROM to flash it on Chinese variant device
Click to expand...
Click to collapse
Ahh thank you so much ^^, sorry i keep asking way too many questions, but where do i get the option to lock the bootloader again? and if i'm on miui 10.2.20 before custom ROM, i can flash the same MIUI ROM i was on or an older one as long as it has the same ARB value?
and is there a guide on how to flash ROMS and recoveries, because i am extremely confused >.<

ZozaTermina3or said:
Ahh thank you so much ^^, sorry i keep asking way too many questions, but where do i get the option to lock the bootloader again? and if i'm on miui 10.2.20 before custom ROM, i can flash the same MIUI ROM i was on or an older one as long as it has the same ARB value?
and is there a guide on how to flash ROMS and recoveries, because i am extremely confused >.<
Click to expand...
Click to collapse
In MiFlash software. Select clean_all and lock option to lock the bootloader
Yes you can flash 10.2.2 or any older ROM wich has ARB value 4 (you can flash any ROM between 9.5.19 to 10.2.2)

SunilSuni said:
In MiFlash software. Select clean_all and lock option to lock the bootloader
Yes you can flash 10.2.2 or any older ROM wich has ARB value 4 (you can flash any ROM between 9.5.19 to 10.2.2)
Click to expand...
Click to collapse
Thank you so much sir, You are a life saver
I can flash the Custom ROM without any worries now ^^

Anti-rollback Help!

Hello everybody,
yesterday I installed the ROM V.11.0.7 but it doesn't make any changes. It seems official. It's terrible! Today I tried to put the V. 11.0.5 but it does not even let me install the TWPR 3.4.1B I probably made a mess.
It doesn't allow me to downgrade.
Can you help me please?
Thanks a lot!

Did you unlocked your Bootloader?

phil2sat said:
Did you unlocked your Bootloader?
Click to expand...
Click to collapse
It unlocked.
Thank you so much but I have already solved it

ares3010 said:
It unlocked.
Thank you so much but I have already solved it
Click to expand...
Click to collapse
how u solved? i want flash miui 12 and i come from aosp and doesnt let me flash....

dantk said:
how u solved? i want flash miui 12 and i come from aosp and doesnt let me flash....
Click to expand...
Click to collapse
To come back to miui from AOSP you must use miflash tool to flash an official fastboot version of miui. It's necessary because miflash restores some partitions that are altered by flashing AOSP roms. Just remember not to relock the bootloader because miflash can do that.

twistyplain said:
To come back to miui from AOSP you must use miflash tool to flash an official fastboot version of miui. It's necessary because miflash restores some partitions that are altered by flashing AOSP roms. Just remember not to relock the bootloader because miflash can do that.
Click to expand...
Click to collapse
Hey it will ask for autorization from miui?

Genkimaru said:
Hey it will ask for autorization from miui?
Click to expand...
Click to collapse
You must bind your mi flash to your account to be able to use it to flash a rom on your phone. Note that mi flash will recognize your phone even if you had flashed a different rom on it.
Read this
https://c.mi.com/thread-2173190-1-0.html

twistyplain said:
You must bind your mi flash to your account to be able to use it to flash a rom on your phone. Note that mi flash will recognize your phone even if you had flashed a different rom on it.
Read this
https://c.mi.com/thread-2173190-1-0.html
Click to expand...
Click to collapse
Thumps up , thank you so much

How to relock and restore original fw?

Hello everyone. I tried relock the bootloader, but when the process finished it gave me the error "The system has been destroyed". I unlocked it again and retried the procedure with the same result. Do you have any idea what's the problem? Thank you.

I am quite surprised that it allowed you to unlock it again.
Anyway, are you sure that you have 100% stock ROM? Including, but not limited to system, boot and recovery partitions?

_mysiak_ said:
I am quite surprised that it allowed you to unlock it again.
Anyway, are you sure that you have 100% stock ROM? Including, but not limited to system, boot and recovery partitions?
Click to expand...
Click to collapse
I flashed the original fastboot rom. I try first whit the command 'flash all" successfully. Then i try "flash all and lock" and compare error message. Fortunately in the fastboot mode i unlock again. Sorry for bad english.

xire68 said:
I flashed the original fastboot rom. I try first whit the command 'flash all" successfully. Then i try "flash all and lock" and compare error message. Fortunately in the fastboot mode i unlock again. Sorry for bad english.
Click to expand...
Click to collapse
After flashing, can you start the phone? Does it boot completely to the welcome screen?

_mysiak_ said:
After flashing, can you start the phone? Does it boot completely to the welcome screen?
Click to expand...
Click to collapse
When I "flash all" start normally.
When I "flash all and lock" bootloop

Did you have a custom ROM installed before? If so, which one?

_mysiak_ said:
Did you have a custom ROM installed before? If so, which one?
Click to expand...
Click to collapse
Yes, xiaomi.eu, Arrows, lineage OS and dotOS, evidently one of these ROM has corrupted the system files. With other models I have never had similar problems (redmi note 7, note 8t etc ...)

xire68 said:
Yes, xiaomi.eu, Arrows, lineage OS and dotOS, evidently one of these ROM has corrupted the system files. With other models I have never had similar problems (redmi note 7, note 8t etc ...)
Click to expand...
Click to collapse
The only thing which comes to my mind is that there might be some partition which has been modified by custom ROM, but did not get reflashed with stock image. You will probably need to check installation script of all ROMs which you tried to check which partitions are overwritten and compare it with stock ROM flashing script.

_mysiak_ said:
The only thing which comes to my mind is that there might be some partition which has been modified by custom ROM, but did not get reflashed with stock image. You will probably need to check installation script of all ROMs which you tried to check which partitions are overwritten and compare it with stock ROM flashing script.
Click to expand...
Click to collapse
Ok thanks for support.

Xiaomi Provides Flashable ROMs of MIUI Updates for all its Devices
Step 1: Download MIUI Fastboot ROM for your Device.
Step 2: Extract the ROM package on your Computer.
Step 3: Boot your device into Fastboot Mode.
Step 4: Launch Mi Flash Tool on the Computer.
Step 5: Install Xiaomi USB Drivers (if Required)

xire68 said:
When I "flash all" start normally.
When I "flash all and lock" bootloop
Click to expand...
Click to collapse
xire68 said:
When I "flash all" start normally.
When I "flash all and lock" bootloop
Click to expand...
Click to collapse
here is a guide

Mi flash let's you lock the bootloader again

No
Mi Flash
1.clean all - flash_all.bat
2.save user data - flash_all_except_storage.bat
3.clean all and lock - flash_all_lock.bat
Install number 2
MiFlash2020-3-14-0

Thanks, but all the proposed solutions, I have already tried them without success.

I wonder if anyone else successfully re-locked bootloader... I hope that someone will give their experience!

It's definitely dead. QDLoader 9008.

xire68 said:
It's definitely dead. QDLoader 9008.
Click to expand...
Click to collapse
Are you saying you broke the mobile?
F

EDL methode install rom

jinx11 said:
EDL methode install rom
Click to expand...
Click to collapse
Yes, but I need an autorired account for this...

Not
download program QPST_2.7.496.zip
download prog_emmc_firehose_Sdm660_ddr.mbn
download phone fastboot rom
Download QPST Flash Tool & How to Use it to Flash Firmware on Qualcomm Android Devices
Download all versions of QPST Flash tool and learn how to use the QFIL and Software Download programs to flash firmware files on Qualcomm Android devices.
www.thecustomdroid.com
QPST Tool v2.7.480 - QPST Tool
Download the official QPST Tool v2.7.480 which allows you to flash the stock firmware on your Qualcomm Smartphone and Tablets.
qpsttool.com
illustration video QPST is on youtube

Question ARB and firmware flashing

If I flash for example fw_alioth_miui_ALIOTHEEAGlobal_V13.0.4.0.SKHEUXM_17e135935d_12.0 and another custom ROM wants fw_alioth_miui_ALIOTHEEAGlobal_V12.5.8.0.RKHEUXM_5e087090df_11.0 (v12 basically) will I trigger ARB and brick the phone? Or what is it that triggers ARB?

jnsson said:
If I flash for example fw_alioth_miui_ALIOTHEEAGlobal_V13.0.4.0.SKHEUXM_17e135935d_12.0 and another custom ROM wants fw_alioth_miui_ALIOTHEEAGlobal_V12.5.8.0.RKHEUXM_5e087090df_11.0 (v12 basically) will I trigger ARB and brick the phone? Or what is it that triggers ARB?
Click to expand...
Click to collapse
First of all these are not custom roms but stock roms.
The brick only if your device is Chinese and you lock the bootloader on a rom other than Chinese
Then either you use Miflash or Twrp.
If you use Miflash and encounter the ARB problem, the flash will not work and that's it, edit the script and delete the lines concerning ARB.
https://forum.xda-developers.com/t/flash-tool-guide-use-xiaomi-flash-tool.4262425/

NOSS8 said:
First of all these are not custom roms but stock roms.
Click to expand...
Click to collapse
I meant like, if Pixel Experiance ROM requires a specific fw version. I thought that if you flashed a older fw then you trigger ARB and you brick the phone. It was so on my Redmi Note 5 from what I understand. Is it not so on Poco F3? I'm talking about flashing in TWRP. And the firmware I'm talking about is from here https://xiaomifirmwareupdater.com/archive/firmware/alioth/ i.e not the whole MIUI ROM, just the firmware

jnsson said:
I meant like, if Pixel Experiance ROM requires a specific fw version. I thought that if you flashed a older fw then you trigger ARB and you brick the phone. It was so on my Redmi Note 5 from what I understand. Is it not so on Poco F3? I'm talking about flashing in TWRP. And the firmware I'm talking about is from here https://xiaomifirmwareupdater.com/archive/firmware/alioth/ i.e not the whole MIUI ROM, just the firmware
Click to expand...
Click to collapse
Flashing a firmware for an AOSP rom is no problem, but sometimes you have to flash the complete rom.
Twrp:
Format data write yes
reboot twrp
flash firmware
reboot Twrp
Follow OP instructions

NOSS8 said:
Flashing a firmware for an AOSP rom is no problem, but sometimes you have to flash the complete rom.
Click to expand...
Click to collapse
Ok, so let's say I have flashed MIUI 13 and the custom ROM wants MIUI 12 /fw v12 I can flash it without triggering ARB? Good in that case

jnsson said:
Ok, so let's say I have flashed MIUI 13 and the custom ROM wants MIUI 12 /fw v12 I can flash it without triggering ARB? Good in that case
Click to expand...
Click to collapse
Yeap,if you follow the instructions of the previous post

NOSS8 said:
Format data write yes
Click to expand...
Click to collapse
Do I have to do it, if I don't have encryption on or is this only if I have encryption on?

jnsson said:
Do I have to do it, if I don't have encryption on or is this only if I have encryption on?
Click to expand...
Click to collapse
Format data erases your data and creates a new partition if necessary so yes it is preferable.

Downgrade Mi 10T Pro "M2007J3SG"

Premise: I have a xiaomi Mi 10T Pro model "M2007J3SG", never flashed firmware, never rooted and only updated from phone settings.
Wanting to revert to a firmware with android 10, original do I need to unlock the bootloader?
If I have to unlock it how should I do it, assuming I don't have to put any custom rom or run root.

ricru90 said:
Premise: I have a xiaomi Mi 10T Pro model "M2007J3SG", never flashed firmware, never rooted and only updated from phone settings.
Wanting to revert to a firmware with android 10, original do I need to unlock the bootloader?
If I have to unlock it how should I do it, assuming I don't have to put any custom rom or run root.
Click to expand...
Click to collapse
Wanting to revert to a firmware with android 10, original do I need to unlock the bootloader? Yes
https://c.mi.com/thread-1857937-1-1.html
https://en.miui.com/unlock/index.html
Downgrade:
https://forum.xda-developers.com/t/flash-tool-guide-use-xiaomi-flash-tool.4262425/
Fastboot rom:
https://xiaomirom.com/en/rom/mi-10t-10t-pro-apollo-china-fastboot-recovery-rom/

NOSS8 said:
Wanting to revert to a firmware with android 10, original do I need to unlock the bootloader? Yes
https://c.mi.com/thread-1857937-1-1.html
https://en.miui.com/unlock/index.html
Downgrade:
https://forum.xda-developers.com/t/flash-tool-guide-use-xiaomi-flash-tool.4262425/
Fastboot rom:
https://xiaomirom.com/en/rom/mi-10t-10t-pro-apollo-china-fastboot-recovery-rom/
Click to expand...
Click to collapse
my concern is roll back protection, because from what I have read since I want to downgrade two versions of android i.e. from 12 to 10, the roll back index is discordant between the two firmwares

ricru90 said:
my concern is roll back protection, because from what I have read since I want to downgrade two versions of android i.e. from 12 to 10, the roll back index is discordant between the two firmwares
Click to expand...
Click to collapse
Not important, use the script directly included in the fastboot rom.

NOSS8 said:
Not important, use the script directly included in the fastboot rom.
Click to expand...
Click to collapse
in the unfortunate event that something should happen and the procedure fails, is there any precaution to be taken before doing so, like a backup not of the files, but a backup of the firmware or something similar?

ricru90 said:
in the unfortunate event that something should happen and the procedure fails, is there any precaution to be taken before doing so, like a backup not of the files, but a backup of the firmware or something similar?
Click to expand...
Click to collapse
If the phone is a Chinese version does not lock the bootloader.
Miflash is used to flash firmware.
unlock bootloader erases your data, Miflash too.
If there is an error during the flash, the flash does not occur.

NOSS8 said:
If the phone is a Chinese version does not lock the bootloader.
Miflash is used to flash firmware.
unlock bootloader erases your data, Miflash too.
If there is an error during the flash, the flash does not occur.
Click to expand...
Click to collapse
so what I have to do is unlock the bootloader as stated in the first guide and then run your guide to downgrade to the correct firmware?

ricru90 said:
so what I have to do is unlock the bootloader as stated in the first guide and then run your guide to downgrade to the correct firmware?
Click to expand...
Click to collapse
yep,any firmware version matching your phone's codename.

NOSS8 said:
yep,any firmware version matching your phone's codename.
Click to expand...
Click to collapse
just for information, searching on the internet I saw that there are or are created cables, called “Deep Flash Cables”, do you happen to know what they are for?

ricru90 said:
just for information, searching on the internet I saw that there are or are created cables, called “Deep Flash Cables”, do you happen to know what they are for?
Click to expand...
Click to collapse
To flash in EDL mode in the event of a total brick. (no more fastboot, no recovery) phone must be open.

NOSS8 said:
To flash in EDL mode in the event of a total brick. (no more fastboot, no recovery) phone must be open.
Click to expand...
Click to collapse
Is EDL mode only for xiaomi or for any Android phone?

ricru90 said:
Is EDL mode only for xiaomi or for any Android phone?
Click to expand...
Click to collapse
Qualcomm device.

bro twrp recovery file available for "mi 10t 5g" android 12 miui 13.

is it available?