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redmi6 stock rom full backup before unlocking or twrping

hi, i have a redmi6 cereus (type M1804C3DG 64GB) android 8.1 and i have upgraded from miui global 9.6 to miui global V10.2.6.0 (OCGMIXM) stable.
i have created a miui account and i’m waiting the last days for bootloader unlocking permission.
even if i loose warranty i decided to root it (the idea is to install twrp - the only way i know to make full backups and magisk).
but before i would like to know if there is any way to make a full backup of the stock rom as is (maybe before unlocking or before installing recovery) to eventualy restore phone as it came (if it has sense relocking bootloader and restoring stock rom) to see if in case it’s possible to try not to loose warranty
so is there any way to make a full backup of the stock rom (not in cloud) i mean to an sd card or to a pc to eventualy restore to stock if needed?

I can backup data partition only in LR TWRP. But i can backup everything else in every TWRP for R6.

stuck in locked bootloader
TanRayCz said:
I can backup data partition only in LR TWRP. But i can backup everything else in every TWRP for R6.
Click to expand...
Click to collapse
good, tnx for the tip, i'll consider the second then.
unfortunately i'm blocked since more than 3 weeks and i don't know how to come out from an idiot message that says that i haven't used the phone enough.
the situation is this:
redmi 6 (cereus type M1804C3DG 64GB) android8.1
upgraded from miui global 9.6 to miui global V10.2.3.0 (OCGMIXM) stable
the phone is still always logged in the mi account from the beginning when i’ve tried to unlock
spent 15 days waiting unlock permissions but the result is that mi unlock (3.3.827.31 official) tells me is: "Couldn't unlock"
the dispotic reason in chineese ideograms reports: “The phone has not been used for the specified time and cannot be unlocked" 手机使用未达到指定时间，无法解锁 (with the button below “unlock again”)
after theese 15 days i'm still logged and i’ve spent the following 9 days using it more, but trying to unlock gives always the same idiot message
i feel rooked because i'm not the owner of the phone i've buyed
any ideas on any way to unlock?

neshipda said:
good, tnx for the tip, i'll consider the second then.
unfortunately i'm blocked since more than 3 weeks and i don't know how to come out from an idiot message that says that i haven't used the phone enough.
the situation is this:
redmi 6 (cereus type M1804C3DG 64GB) android8.1
upgraded from miui global 9.6 to miui global V10.2.3.0 (OCGMIXM) stable
the phone is still always logged in the mi account from the beginning when i’ve tried to unlock
spent 15 days waiting unlock permissions but the result is that mi unlock (3.3.827.31 official) tells me is: "Couldn't unlock"
the dispotic reason in chineese ideograms reports: “The phone has not been used for the specified time and cannot be unlocked" 手机使用未达到指定时间，无法解锁 (with the button below “unlock again”)
after theese 15 days i'm still logged and i’ve spent the following 9 days using it more, but trying to unlock gives always the same idiot message
i feel rooked because i'm not the owner of the phone i've buyed
any ideas on any way to unlock?
Click to expand...
Click to collapse
* remove the account do a factory reset.
* re-add the same account.
* enable oem-unlocking & mi unlock permission in developer setting.
* download older version of mi unlock tool (I used 2.3.803.10)
* flash twrp & your flavours.

neshipda said:
good, tnx for the tip, i'll consider the second then.
unfortunately i'm blocked since more than 3 weeks and i don't know how to come out from an idiot message that says that i haven't used the phone enough.
the situation is this:
redmi 6 (cereus type M1804C3DG 64GB) android8.1
upgraded from miui global 9.6 to miui global V10.2.3.0 (OCGMIXM) stable
the phone is still always logged in the mi account from the beginning when i’ve tried to unlock
spent 15 days waiting unlock permissions but the result is that mi unlock (3.3.827.31 official) tells me is: "Couldn't unlock"
the dispotic reason in chineese ideograms reports: “The phone has not been used for the specified time and cannot be unlocked" 手机使用未达到指定时间，无法解锁 (with the button below “unlock again”)
after theese 15 days i'm still logged and i’ve spent the following 9 days using it more, but trying to unlock gives always the same idiot message
i feel rooked because i'm not the owner of the phone i've buyed
any ideas on any way to unlock?
Click to expand...
Click to collapse
I had to wait 1 month for unlock. Maybe it might have got bugged. Try waiting for 1 month in total.

TanRayCz said:
I had to wait 1 month for unlock. Maybe it might have got bugged. Try waiting for 1 month in total.
Click to expand...
Click to collapse
followed your suggestion and waited until today but no changes, tnx 4 support anyway

successfully unlocked!
abkdmn said:
* remove the account do a factory reset.
* re-add the same account.
* enable oem-unlocking & mi unlock permission in developer setting.
* download older version of mi unlock tool (I used 2.3.803.10)
* flash twrp & your flavours.
Click to expand...
Click to collapse
hey bro this was the key!! successfully unlocked, don't know how to thank you man!!
hey since i'm quite sure to have lost warranty, i'd like to be sure about the steps because reading around i saw that once flashed twrp to make it permanent i should wipe data and to disable force encryption flashing also lazyflasher or no-verifyencrypt so avoiding that at first reboot system re-encrypts again and that twrp will be replaced from stock recovery, is it right?
magisk a part, did you flash something else after twrp?

neshipda said:
hey bro this was the key!! successfully unlocked, don't know how to thank you man!!
hey since i'm quite sure to have lost warranty, i'd like to be sure about the steps because reading around i saw that once flashed twrp to make it permanent i should wipe data and to disable force encryption flashing also lazyflasher or no-verifyencrypt so avoiding that at first reboot system re-encrypts again and that twrp will be replaced from stock recovery, is it right?
magisk a part, did you flash something else after twrp?
Click to expand...
Click to collapse
If you want only rooted system then just format userdata in fastboot then flash twrp and then flash disableforceencryption or lazyflasher then magisk through twrp.

abkdmn said:
If you want only rooted system then just format userdata in fastboot then flash twrp and then flash disableforceencryption or lazyflasher then magisk through twrp.
Click to expand...
Click to collapse
rooted:good: tnx for support!!

Don't have 4G signal

I have problem with 4g signal on oneplus 7 . After update to oxygen os 10.0.3 i have problem with 4g,i have no signal 4g ,and very poor Network signal.I did many things to fix that,did changed settings,did factory reset, nothing happened, problem still same. I did downgrade to Android 9 and oxygen os 9.5.8 same version was when i bought this phone, after downgrade anyway problem still same,no 4G signal. I did changed sim card replaced new sim card, nothing happened, problem still same.Maybe anyone knows how to fix that ?
Thanks

Hi, probably you lost some network bands if you are rooted you can check it with network signal guru from playstore.
If that's right there are some guides here on xda how to restore em up, for the guide check Mi A1 forum or let me know and I will send you the link.

Illuminatus_ said:
Hi, probably you lost some network bands if you are rooted you can check it with network signal guru from playstore.
If that's right there are some guides here on xda how to restore em up, for the guide check Mi A1 forum or let me know and I will send you the link.
Click to expand...
Click to collapse
Thank you for information,i tried to do root but have problem all the time, Bootloader already unlocked ,but when i trying to flash twrp image getting fault ( fastboot failed, remote unknown command) I don't know how to fix that. Can find anything on internet any info.

skeltukas said:
Thank you for information,i tried to do root but have problem all the time, Bootloader already unlocked ,but when i trying to flash twrp image getting fault ( fastboot failed, remote unknown command) I don't know how to fix that. Can find anything on internet any info.
Click to expand...
Click to collapse
Try this guide to root your phone
https://forum.xda-developers.com/oneplus-7/how-to/guide-unlock-bootloader-flash-twrp-root-t3954559
Dont forget to enable usb debugging in your phone.
Good luck.

skeltukas said:
Bootloader already unlocked ,but when i trying to flash twrp image getting fault ( fastboot failed, remote unknown command)
Click to expand...
Click to collapse
What version TWRP?
Although rooting to diagnose a network problem seems a little excessive.
How did you update, did the OTA download automatically, or did you pick the file yourself? If the latter, are you sure it is the right OTA file for your phone version?

TWRP version 3.3.1-1
When i got phone ,he arrived from China AliExpress. He arrived with Global oxygen os 9.5.8 , i did change to Europe version oxygen os, everything worked very well , I didn't had any problems,4G signal was good as well , till i was on android 10 and oxygen 10.0.2 was fine,but after i did get update to 10.0.3 my 4G gone . Few udates i did by Oxygen os updater,last one i did get OTA automatically. Now i did downgrade to 9.5.8 to global version. Still don't have 4G signal. Just battery very good on android 9 and oxygen os 9.5.8 , 11 hour screen on.

skeltukas said:
TWRP version 3.3.1-1
Click to expand...
Click to collapse
Too old to work with Android 10, that is why fastboot boot command is broken. You need to use one of the unofficial TWRP builds, I think at least -65 (current is -74).
Doesn't explain your LTE problem, just will fix the issue with booting TWRP (root, etc.).

redpoint73 said:
Too old to work with Android 10, that is why fastboot boot command is broken. You need to use one of the unofficial TWRP builds, I think at least -65 (current is -74).
Doesn't explain your LTE problem, just will fix the issue with booting TWRP (root, etc.).
Click to expand...
Click to collapse
Thank you for reply to my message, I don't know what about Android 10, I'm now currently on Android 9, as i wrote i did downgrade ,from Android 10 oxygen os 10.0.3 ,to Android 9 oxygen os 9.5.8
I did tried to flash
TWRP 3.3.1-1
TWRP 3.3.1-65
TWRP 3.3.1-70
TWRP 3.3.1-74
All the time have same error.
Sending boot img <56612> OKAY [ 2.714s ]
Booting Failed <remote: 'unknown comman'>
Fastboot : error: Coman failed

Illuminatus_ said:
Hi, probably you lost some network bands if you are rooted you can check it with network signal guru from playstore.
If that's right there are some guides here on xda how to restore em up, for the guide check Mi A1 forum or let me know and I will send you the link.
Click to expand...
Click to collapse
Hello, can you send me link? Seems i have problem with network bands.

Here you are , look's little complicated but it's easy.
https://forum.xda-developers.com/mi-a1/how-to/lte-t3854592/amp/

Illuminatus_ said:
Here you are , look's little complicated but it's easy.
https://forum.xda-developers.com/mi-a1/how-to/lte-t3854592/amp/
Click to expand...
Click to collapse
Thanks for sharing the info. I was in the same situation, followed the guide (I confirm, it's really easy) and now 4G+ is back!

I'm glad that you solved your problem, this guide helped lot of people especially Mi A1 users
(we lost band 20 after updating our device from Android 8.1 to 9)

Illuminatus_ said:
I'm glad that you solved your problem, this guide helped lot of people especially Mi A1 users
(we lost band 20 after updating our device from Android 8.1 to 9)[/QUOTE
I did everything by this guide ,but no luck,still same problem no LTE (4G) signal. I don't know what's wrong .
Click to expand...
Click to collapse

Has anyone succesufully downgraded MIUI Android 11 to MIUI Android 10?

I'm not sure if ARB protection is active as my friend wants to flash custom ROM. He's unfortunately on Android 11 so I can't risk his phone.

I've done it and nothing bad happened. Just had to format data afterwards to exit the bootloop. Went from V12.0.6.0.RJGEUXM (A11) to V12.0.7.0.QJGMIXM (A10) to be specific. The A11 one was missing a few switches in the settings menu that I use. I belive there's no Xiaomi ARB protection on POCO X3. You can also read this if you're not convinced yet.

MocnePifko said:
I've done it and nothing bad happened. Just had to format data afterwards to exit the bootloop. Went from V12.0.6.0.RJGEUXM (A11) to V12.0.7.0.QJGMIXM (A10) to be specific. The A11 one was missing a few switches in the settings menu that I use. I belive there's no Xiaomi ARB protection on POCO X3. You can also read this if you're not convinced yet.
Click to expand...
Click to collapse
I informed more yesterday about ARB and i thought that authorized account is something that only certified Xiaomi servicers could use. But that's not the case. Thanks for confirmation.

Did you flash a recovery / zip ROM or a fastboot one? A have just received an X3 NFC with Android 11 / MIUI 12.0.6 , and realized in 5 mins that Android 11 is not my cup of tea. It screws up my Nova + Fluid NG combo like hell - hate it.

obermotz said:
Did you flash a recovery / zip ROM or a fastboot one? A have just received an X3 NFC with Android 11 / MIUI 12.0.6 , and realized in 5 mins that Android 11 is not my cup of tea. It screws up my Nova + Fluid NG combo like hell - hate it.
Click to expand...
Click to collapse
My friend didn't flashed it yet as he has trouble with laptop recognizing Poco X3, hence no unlocked bootloader.

SkaboXD said:
My friend didn't flashed it yet as he has trouble with laptop recognizing Poco X3, hence no unlocked bootloader.
Click to expand...
Click to collapse
No worries, in the meantime flashed 12.0.8 using MiFlash - now everything runs fine.

T-Mobile to EU issues

Wonder if anyone else is having these issues. Went from T-Mobile to EU version, updated to C33 last night and I still have horrible battery life.
Phone has a massive battery drain and when I restart takes over 5 minutes to connect to cell service, sometimes even longer.
Any thoughts? Thinking of going to a custom rom

quick6black said:
Wonder if anyone else is having these issues. Went from T-Mobile to EU version, updated to C33 last night and I still have horrible battery life.
Phone has a massive battery drain and when I restart takes over 5 minutes to connect to cell service, sometimes even longer.
Any thoughts? Thinking of going to a custom rom
Click to expand...
Click to collapse
My first post on XDA forums. but just reflash using the TMO msm tool https://forum.xda-developers.com/t/...l-to-restore-your-device-to-oxygenos.4180981/ choose OOS 11.0.7.9 then use the TMO to EU msm tool again, unlock the bootloader using the unlock.img you got from oneplus then run through the setup after this internal storage wont be wiped. then download the oneplus updater tool. turn on advanced mode, go for the stable full version but instead of choosing your device as the EU version, choose just oneplus 8T that way you get the international version. install full OOS update. not increments. Then just update to the latest android 12 from settings, about phone and update. if you want to stay on android 11 then make sure that you do all those steps again before using the updater app to upgrade to android 12. just install the latest OOS update from oneplus 8t repo ( https://forum.xda-developers.com/t/oneplus-8t-rom-ota-oxygen-os-repo-of-oxygen-os-builds.4193183/ ) 11.0.13.13: OnePlus8TOxygen_15.O.31_GLO_0310_2202182359 go to settings and search for update. click on the cog and choose the OOS 11 update. Sorry if I made any grammer mistakes. If you want root I'll reply with the easiest way I found to root oneplus 8T. The latest update too.

Nimiskiv said:
My first post on XDA forums. but just reflash using the TMO msm tool https://forum.xda-developers.com/t/...l-to-restore-your-device-to-oxygenos.4180981/ choose OOS 11.0.7.9 then use the TMO to EU msm tool again, unlock the bootloader using the unlock.img you got from oneplus then run through the setup after this internal storage wont be wiped. then download the oneplus updater tool. turn on advanced mode, go for the stable full version but instead of choosing your device as the EU version, choose just oneplus 8T that way you get the international version. install full OOS update. not increments. Then just update to the latest android 12 from settings, about phone and update. if you want to stay on android 11 then make sure that you do all those steps again before using the updater app to upgrade to android 12. just install the latest OOS update from oneplus 8t repo ( https://forum.xda-developers.com/t/oneplus-8t-rom-ota-oxygen-os-repo-of-oxygen-os-builds.4193183/ ) 11.0.13.13: OnePlus8TOxygen_15.O.31_GLO_0310_2202182359 go to settings and search for update. click on the cog and choose the OOS 11 update. Sorry if I made any grammer mistakes. If you want root I'll reply with the easiest way I found to root oneplus 8T. The latest update too.
Click to expand...
Click to collapse
thanks for the reply, so the International version is the better build? I submitted for the bootloader unlock key. Still waiting.
thanks

Technically you can already flash regular kebab 2005 without unlocking the boot loader unless you want to have root. Just download the full update from oxygen updater and locally update to the INTERNATIONAL version without boot loader unlocked.

quick6black said:
thanks for the reply, so the International version is the better build? I submitted for the bootloader unlock key. Still waiting.
thanks
Click to expand...
Click to collapse
Yeah the international version is the most worked on stable builds

Cannot upgrade to 12.5 MIUI

I have a Russian (thanks Amazon !!) Redmi 9a 32Gb/2gb. It is currently running latest 12.0.x ROM version, but i would like to upgrade it to 12.5.
I see on xiaomi ROM site there is currently a 12.5.x version for Russian version, but the OTA never arrived and if i download the recovery zip file and install it manually, it fails verification and stops.
Is there a way to install 12.5 without unlocking the bootloader ?
Is 12.5 supported on this specific redmi 9a ?
thanks !

mmm... spflashtool might work, but Ive only ever used it on a bircked device to unbrick it, never on a functional device to just change the ROM version, but if you really wanna do it without unlocking bootloader thats your best choice.
I will say anyway, its probably safer to unlock bootloader install recovery and install the rom from there, its your call tho.
Heres how I unbricked my device
[GUIDE] Unbrick hard-bricked device
Condition Phone does not turns on Phone not detected via USB Phone handshake/memory hash failed Requirements Unplug battery Download MIUI 12.5.4.0.RCDMIXM Fastboot ROM Download Scatter File for 12.5.4.0.RCDMIXM Download SP Flash Tool Download...
forum.xda-developers.com

here are some useful files
REDMI 9A - Google Drive
drive.google.com

Thanks
Right now I cannot unlock the bootloader, maybe in the next months I might try (I want to wait for the warranty to expire). My concern is that my version of Redmi 9A with just 2G of Ram is actually not compatible with MIUI 12.5. The 12.5 rom is actually available, but OTA will leave me in the 12.0 branch and verification fails if I try to install the ROM manually. I would not want to brick it by installing an unsupported ROM.

My phone model is M2006C3LG and the ROM I have right now says I have 1.8Gb of available RAM, I don't think you have a different device from mine.
Im a total n00b so I may be wrong about this next thing, but, I think the only difference is what version of MIUI they were sold with since the hardware doesn't allow downgrades further than the stock ROM that came with the device.
There is always antirollback after MIUI 10, but I think its even further locked for the original stock ROM that came to the device, but yeah, this is all my own speculation due to a bricking incident I faced.

The model number is the same, but the 9A was available with different sizes of RAM 2 or 3 or 4 Gb. Mine is the low end 32/2 which is the model still on sale today. If you still have 1.8 Gb of free RAM you very likely has the 3 or 4 GB model.
Maybe you are right, the OTA allows only for updates within the same MIUi version; I saw several guides on-line and i think i will try the miflash tool and switch to the global version. I have to find a way to unlock bootloader without Xiaomi account (no way in hell I'm signing up for that) and without sim card (this phone is used as a smaller wi-fi only tablet). There are some tools for an offline unlock, I will try those first.
It is incredible how Xiaomi is making it complex just to update to a stable official ROM; given also how much bloatware is shovelled with the stock ROM, I'm not sure I will ever consider Xiaomi again.

enryfox said:
The model number is the same, but the 9A was available with different sizes of RAM 2 or 3 or 4 Gb. Mine is the low end 32/2 which is the model still on sale today. If you still have 1.8 Gb of free RAM you very likely has the 3 or 4 GB model.
Maybe you are right, the OTA allows only for updates within the same MIUi version; I saw several guides on-line and i think i will try the miflash tool and switch to the global version. I have to find a way to unlock bootloader without Xiaomi account (no way in hell I'm signing up for that) and without sim card (this phone is used as a smaller wi-fi only tablet). There are some tools for an offline unlock, I will try those first.
It is incredible how Xiaomi is making it complex just to update to a stable official ROM; given also how much bloatware is shovelled with the stock ROM, I'm not sure I will ever consider Xiaomi again.
Click to expand...
Click to collapse
In my opinion, DON'T UPGRADE. I upgraded it with recovery and fastboot and my phone got an message everytime when I boot it : dm verity corrupted and I will need to press power button again to work. Maybe i didn't did that correctly ( I have Global 12.0.20 32/2gb)

Rares6567 said:
In my opinion, DON'T UPGRADE. I upgraded it with recovery and fastboot and my phone got an message everytime when I boot it : dm verity corrupted and I will need to press power button again to work. Maybe i didn't did that correctly ( I have Global 12.0.20 32/2gb)
Click to expand...
Click to collapse
Thanks for the info. So you upgraded to latest 12.0 without moving to 12.5, any reason for not trying 12.5 ? The phone is currently barely usable with Android 10, maybe Android 11 is even heavier, but why not give it a try ?
I saw several youtube videos and guides and by using MI Flash with a Fastboot image (scattered tgz) it should be a total reflash of the phone.

enryfox said:
Thanks for the info. So you upgraded to latest 12.0 without moving to 12.5, any reason for not trying 12.5 ? The phone is currently barely usable with Android 10, maybe Android 11 is even heavier, but why not give it a try ?
I saw several youtube videos and guides and by using MI Flash with a Fastboot image (scattered tgz) it should be a total reflash of the phone.
Click to expand...
Click to collapse
Idk, android 11 may will use more resources but give it a try , good luck

The updates come over time so we must have patience

the_arxyn said:
The updates come over time so we must have patience
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Click to collapse
True but sometimes u won't get the update

Rares6567 said:
True but sometimes u won't get the update
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Click to collapse
in this situation flash the wanted version via recovery or fastboot

the_arxyn said:
in this situation flash the wanted version via recovery or fastboot
Click to expand...
Click to collapse
Yea.