Database Users

Wifi Problem [CUSTOM ROM]

From the day I first flashed lineage my wifi stopped working. I have tried changing roms... Tried most of the apps on play store... Tried wifi fix... Nothing helped. I believe it is a software problem. I have also tried going back to MIUI. Please help, I'm on RR currently. I have also attached a video in a reply for you to understand what my problem exactly is.
My mac address is 2:00:00:00:00

here is the link to the video
rohan_lodhi said:
From the day I first flashed lineage my wifi stopped working. I have tried changing roms... Tried most of the apps on play store... Tried wifi fix... Nothing helped. I believe it is a software problem. I have also tried going back to MIUI. Please help, I'm on RR currently. I have also attached a video for you to understand what my problem exactly is.
Click to expand...
Click to collapse
I was unable to upload it directly.
http://tinyurl.com/helpthispoorguyplease

Flash global stable in edl

bekcicandrej said:
Flash global stable in edl
Click to expand...
Click to collapse
I have already tried doing that by recovery mode.. Will it make any difference if I flash it using edl mode?

Recovery mode? Twrp or fastboot.
In any case edl should restore everything

bekcicandrej said:
Recovery mode? Twrp or fastboot.
In any case edl should restore everything
Click to expand...
Click to collapse
twrp

rohan_lodhi said:
twrp
Click to expand...
Click to collapse
Edl is a sure solution, your efs partition got corrupted or something

bekcicandrej said:
Edl is a sure solution, your efs partition got corrupted or something
Click to expand...
Click to collapse
Okay, but how do I flash using edl... use miflash tool or what?

rohan_lodhi said:
Okay, but how do I flash using edl... use miflash tool or what?
Click to expand...
Click to collapse
1. Go into fastboot
2. Like when flashing twrp (minimum adb fastboot) folder open cmd and type 'fastboot oem edl'
3. Flash global stable with miflash
It'll take a bit longer than flashing in fastboot

bekcicandrej said:
1. Go into fastboot
2. Like when flashing twrp (minimum adb fastboot) folder open cmd and type 'fastboot oem edl'
3. Flash global stable with miflash
It'll take a bit longer than flashing in fastboot
Click to expand...
Click to collapse
It worked! thank you so much! I'm so happy rn.

rohan_lodhi said:
It worked! thank you so much! I'm so happy rn.
Click to expand...
Click to collapse
Np glad it worked

bekcicandrej said:
1. Go into fastboot
2. Like when flashing twrp (minimum adb fastboot) folder open cmd and type 'fastboot oem edl'
3. Flash global stable with miflash
It'll take a bit longer than flashing in fastboot
Click to expand...
Click to collapse
How to do this method in moto g2? Because facing same issue in moto g2.

sanjeev_kannan said:
How to do this method in moto g2? Because facing same issue in moto g2.
Click to expand...
Click to collapse
I found a better way... Go to TWRP and select data fix or whatever that option is, it really works, but make sure you do that just after the problem starts.

Huawei Ascend XT2 Stock image Fix Brick With Unlocked Bootloader Access

OK so this is where i tell you if you brick your phone and try this and it makes it worse i am not to blame. this has worked on three different phones that i have used no problem.That being said lets dive on in.
ONLY FOR THE H1711!!!!
Downloads (move them all to sd card root)
UPDATED USERDATA thank aslezak for that
https://uploadfiles.io/n5g32 and that
http://www.mediafire.com/file/gybldrcgw8h6x2w/twrp_first%5B1%5D.img you can thank yuweng for that but it is not fully working yet link will be replaced once fully working is released
Steps
get phone to fastboot mode must be unlocked then use the twrp recovery from downloads via this command on your adb/fastboot installed computer connected to phone :
Code:
fastboot flash recovery twrp_first[1].img
Reboot phone to recovery
go to wipe advanced wipe wipe data and system only
go back to home menu open advanced then terminal
enter this command exactly :
Code:
dd if=/external_sd/userdata.img.bz2 | bzip2 -dc | dd of=/dev/block/bootdevice/by-name/userdata
that will take a loooonnnnnnggggg time approximately 30-45 min
after it shows # in terminal again do this command :
Code:
dd if=/external_sd/system.img.bz2 | bzip2 -dc | dd of=/dev/block/bootdevice/by-name/system
reboot and it should take a loooonnnngggg time but eventually it will finish and you restored if not try asking some of the devs for pointers:laugh::fingers-crossed::highfive:
Make sure you thank everyone who helped aslezak gave me the commands and the userdata img as well as the system img yuweng provided the first semi working twrp (and a few later that are experimental)
if you want root check this thread https://forum.xda-developers.com/huawei-ascend-xt/help/huawei-ascend-xt2-h1711-t3689411/post75115521#post75115521

Your first link for the userdata image says file not found when you go to that link.

UPDATED USERDATA
freedomwarrior said:
Your first link for the userdata image says file not found when you go to that link.
Click to expand...
Click to collapse

Sim unlock
Hey guys,
has anyone managed to find a way to simunlock this phone? I bought one on blackfriday for $49 and since then its been sitting in my closet because it does not accept any other network's sim.

aslezak said:
UPDATED USERDATA
Click to expand...
Click to collapse
That one don't work either

FULL ROOT... ON MY HUAWEI XT2!! Twrp supersu and custom rom !!!
Sent from my HUAWEI H1711 using XDA Labs

The problem with this seems to be, at least for me, that a .bz2 file is not recognized by the recovery as an installable zip.
The dd trick worked for me, but the system image here, is not full stock. IT seems to have a mix of super_su and magisk in it.
Root is working, but I can't seem to mount system as r/w
So trying to figure this out. I used this image to do a restore, and my phone was rooted with magisk.
First time a program tried root, it said that super su was installed. When I went to another one, it said that magisk was installed.
Anyrate, at one time I was able to mount system r/w and make changes. Now it seems that I can't for whatever reason. I don't know exactly how I got it
to the state to be able to modify the system.
I actually pulled an entire copy of the rom at one time, with a dd command. Of course that can't be reflashed from twrp. But I'd like to be able to mount it somehow on a pc so I could do a stringsearch for all files that have an ro, in them to find the master files where the filesystems are mounted, and edit those....
crashburn833 said:
OK so this is where i tell you if you brick your phone and try this and it makes it worse i am not to blame. this has worked on three different phones that i have used no problem.That being said lets dive on in.
ONLY FOR THE H1711!!!!
Downloads (move them all to sd card root)
UPDATED USERDATA thank aslezak for that
https://uploadfiles.io/n5g32 and that
http://www.mediafire.com/file/gybldrcgw8h6x2w/twrp_first%5B1%5D.img you can thank yuweng for that but it is not fully working yet link will be replaced once fully working is released
Steps
get phone to fastboot mode must be unlocked then use the twrp recovery from downloads via this command on your adb/fastboot installed computer connected to phone :
Code:
fastboot flash recovery twrp_first[1].img
Reboot phone to recovery
go to wipe advanced wipe wipe data and system only
go back to home menu open advanced then terminal
enter this command exactly :
Code:
dd if=/external_sd/userdata.img.bz2 | bzip2 -dc | dd of=/dev/block/bootdevice/by-name/userdata
that will take a loooonnnnnnggggg time approximately 30-45 min
after it shows # in terminal again do this command :
Code:
dd if=/external_sd/system.img.bz2 | bzip2 -dc | dd of=/dev/block/bootdevice/by-name/system
reboot and it should take a loooonnnngggg time but eventually it will finish and you restored if not try asking some of the devs for pointers:laugh::fingers-crossed::highfive:
Make sure you thank everyone who helped aslezak gave me the commands and the userdata img as well as the system img yuweng provided the first semi working twrp (and a few later that are experimental)
if you want root check this thread https://forum.xda-developers.com/huawei-ascend-xt/help/huawei-ascend-xt2-h1711-t3689411/post75115521#post75115521
Click to expand...
Click to collapse

the system.img requires a monthly membership, could an updated link using something like mega or mediafire be created please?

one789 said:
FULL ROOT... ON MY HUAWEI XT2!! Twrp supersu and custom rom !!!
Sent from my HUAWEI H1711 using XDA Labs
Click to expand...
Click to collapse
what custom rom?

HELP PLEEEASE! Bricked h1711
Badly need mmcblk0.img for H1711! Had TWRP and phone was rooted but I screwed up and flashed a wrong IMG. Now I have the dreaded QHSUSB_BULK issue. Nothing but a black screen and a blue light. I googled "How to fix QHSUSB_BULK or Qualcomm HS-USB QDLoader 9008 error" and went on forum.hovatek.com where it said "This error is an indication that the phone is hard bricked due to a corrupted Bootloader. It could occur randomly or after you make a change to the phone, causing the phone to go into Qualcomm Emergency Download Mode." It also stated that I could fix it by creating a bootable SD card using the phone's original mmcblk0.img file using a program called Win32DiskImager. I don't have mmcblk0.img and I can't boot into recovery or fastboot. PLEASE PLEASE HELP!!!! Also first two links in OP's post don't work. Any files or advise you can contribute would be GREATLY appreciated! THANKS!

mmcblk0.img would contain all phone partitions including those with personal information like IMEI number and the /data partition that should not be shared.
Nobody should be sharing that without understanding it contains their IMEI number and other possibly personal information in /data and I'm sure it would be at least 8-10GB.
And what would you do with the file anyway if you can't get into fastboot or recovery?
Whit3Rabbit said:
Badly need mmcblk0.img for H1711! Hard bricked Dreaded QHSUSB_BULK issue. Need mmcblk0.img PLEASE PLEASE HELP!!!! I've lost recovery and fastboot! Nothing but a black screen and a blue light.
Click to expand...
Click to collapse

divineBliss said:
mmcblk0.img would contain all phone partitions including those with personal information like IMEI number and the /data partition that should not be shared.
Nobody should be sharing that without understanding it contains their IMEI number and other possibly personal information in /data and I'm sure it would be at least 8-10GB.
And what would you do with the file anyway if you can't get into fastboot or recovery?
Click to expand...
Click to collapse
What do you recommend I do? All I have is a black screen and a blue light? thank you btw

If it won't go into fastboot mode and won't boot, I think only Huawei can fix it.
Whit3Rabbit said:
What do you recommend I do? All I have is a black screen and a blue light? thank you btw
Click to expand...
Click to collapse

divineBliss said:
If it won't go into fastboot mode and won't boot, I think only Huawei can fix it.
Click to expand...
Click to collapse
That's what I was afraid of Thank you for the quick response.

Whit3Rabbit said:
Badly need mmcblk0.img for H1711! Had TWRP and phone was rooted but I screwed up and flashed a wrong IMG. Now I have the dreaded QHSUSB_BULK issue. Nothing but a black screen and a blue light. I googled "How to fix QHSUSB_BULK or Qualcomm HS-USB QDLoader 9008 error" and went on forum.hovatek.com where it said "This error is an indication that the phone is hard bricked due to a corrupted Bootloader. It could occur randomly or after you make a change to the phone, causing the phone to go into Qualcomm Emergency Download Mode." It also stated that I could fix it by creating a bootable SD card using the phone's original mmcblk0.img file using a program called Win32DiskImager. I don't have mmcblk0.img and I can't boot into recovery or fastboot. PLEASE PLEASE HELP!!!! Also first two links in OP's post don't work. Any files or advise you can contribute would be GREATLY appreciated! THANKS!
Click to expand...
Click to collapse
What is the link to the info you found?
I have the image you need, but it is 15 GIGs in size, and there is no practical way to send that. I also have a system image, and a boot image with magisk in it, as per the OP.
P.M. me.
I don't see how you can recover this if you don't have recovery or fastboot, and can't boot into the phone. If the bootloader is corrupted, well I just don't know.
Can you get into twrp?
You do know that there are two recoveriess, one erecovery and another recovery.
It seems that POWER and VOL up may get you into one, and POWER and VOL down may get you into another one.
NOTE: I KNOW you can't flash the image via fastboot, cause I tried it. it is just to big.
The files are all to big to post here....
https://nofile.io/f/2sfHn8teU1s/system.img.bz2 I put this up 6 days ago for someone else. I don't know how long the link is good for.
This is the system image from the non-working link. You will need to untar it.
https://nofile.io/f/2sfHn8teU1s/system.img.bz2 <<<<<<<<<< file from Original Post
https://nofile.io/f/vTRffT3CM0s/erecovery.zip <<<<<<<<<< erecovery is same as stock recovery
https://nofile.io/f/3DRA4bYjdsq/twrp-xt2.7z <<<<<<<<<< Hweng's original twrp
https://nofile.io/f/uAET5bTqQVk/patched_boot.zip <<<<<< bootloader patched with magisk for a root that does not touch the system partition.
I'll try to put the 15 gig mmblockp0 up here if it will take it, but it is at the office.
I hope this helps.
I now also have a virgin system image, stock. The image given above appears to also have supersu installed it int.
at least it has a su in the system image. Where magisk, just patches the boot image as I understand it.

Any luck on that stock system.img? I formatted mine like an idiot and now sitting on a phone with no OS

same as above, i will even take the rooted system.img i have all other files needed.

I'm a little bit of a noob at all of this but could someone explain to me how they got twrp and root on their xt2? I can really only process step by step and I haven't found that anywhere yet. I'm getting this phone later today so it'd be really cool to get root on it

littletech said:
I'm a little bit of a noob at all of this but could someone explain to me how they got twrp and root on their xt2? I can really only process step by step and I haven't found that anywhere yet. I'm getting this phone later today so it'd be really cool to get root on it
Click to expand...
Click to collapse
step by step root > https://forum.xda-developers.com/hu...ooting-restoring-huawei-elate-h1711z-t3764391
the files for root are the same for the Elate and the XT2

Blue light black screen fix
Whit3Rabbit said:
That's what I was afraid of Thank you for the quick response.
Click to expand...
Click to collapse
​My device suffered the same fate, only a blue light black screen unable to enter boot or recovery. I slowly removed the back cover using my fingernails and removed the two screws holding the metal plate above battery on the right. Popped the left most plug to disconnect the power flow and allow phone to power off completely. Be careful not to touch any of the metal near the plug or you will short. I plugged it back in and held volume down while I inserted USB connected to computer. Tada!! Back in action fastboot ready... So OK now what?? I can't seem to be able to flash an update. Zip just keeps saying failed to load, and system image is too big. Can someone point me to the correct files I need to get her working again? Thanks in advance.

[SOLVED] Mi A1 restarting each few minutes after flash.

Hey,
After hard bricking my Mi A1 and flashing an official android 8.0 stock rom, it is restarting every few minutes. First goes the unlock boot loader warning screen, then the mi screen and android one screen. It then goes onto the setup menu. I am able to go only to the point to enter my name. Depending on my setup speed, it becomes unresponsive at about that point, just restarts and goes back onto the lock boot loader warning screen. I tried re-locking the boot loader, but it only went to the mi screen, and again the process repeats. Please note that I can't flash a boot.img partition, says partition table doesn't exist.
**********************************************************
SOLUTION:
Place persist.img into the root of phone(not in any folder), flash twrp.img INTO THE BOOT PARTITION, and then reboot to recovery. You will see the TWRP loading screen. Go to Advanced-->Terminal--> and execute the following:
dd if=/sdcard/persist.img of=/dev/block/mmcblk0p27
And go back to Restart--> Reboot to system.
The persist should b back!
Now use Qualcomm IMEI write tool to restore your IMEI and MAC address!

Try flashing a custom ROM, then reflash Mi A1 stock OS

kvn95ss said:
Try flashing a custom ROM, then reflash Mi A1 stock OS
Click to expand...
Click to collapse
Where should I flash a custom rom from? Don't have TWRP since when I try installing TWRP, it says that recovery partition table doesn't exist.

CoolPlushBear said:
Hey,
After hard bricking my Mi A1 and flashing an official android 8.0 stock rom, it is restarting every few minutes. First goes the unlock boot loader warning screen, then the mi screen and android one screen. It then goes onto the setup menu. I am able to go only to the point to enter my name. Depending on my setup speed, it becomes unresponsive at about that point, just restarts and goes back onto the lock boot loader warning screen. I tried re-locking the boot loader, but it only went to the mi screen, and again the process repeats. Please note that I can't flash a boot.img partition, says partition table doesn't exist. Would be grateful if someone could help me!
Click to expand...
Click to collapse
seems you have corrupted the persist partition
you need to flash it again
go thru this thread maybe it can help you
https://forum.xda-developers.com/mi-a1/help/ruined-modem-partition-please-help-t3733909

Rawwr said:
seems you have corrupted the persist partition
you need to flash it again
go thru this thread maybe it can help you
https://forum.xda-developers.com/mi-a1/help/ruined-modem-partition-please-help-t3733909
Click to expand...
Click to collapse
Tried erasing and re-flashing persist.img , but get FAILED (remote: Error: This image isn't allow download
) Please help!

CoolPlushBear said:
Tried erasing and re-flashing persist.img , but get FAILED (remote: Error: This image isn't allow download
) Please help!
Click to expand...
Click to collapse
Service cente is your only hope now mate

Rawwr said:
Service cente is your only hope now mate
Click to expand...
Click to collapse
There has to be a way to manually make the persist partition writable, since the service center somehow knows how to do that...

CoolPlushBear said:
There has to be a way to manually make the persist partition writable, since the service center somehow knows how to do that...
Click to expand...
Click to collapse
nope there isnt, if you have flashed every rom available using mi flash tool hasnt solved your issue.
only hope you have is clean flash stock ROM with locked bootloader, go to service center and tell them it happened after you updated to the latest security patch.
first they will flash using EDL cable (deep flash) if that doesnt help they will replace the whole motherboard (that's how my issue was solved)
i recommend you to follow this procedure.

Rawwr said:
nope there isnt, if you have flashed every rom available using mi flash tool hasnt solved your issue.
only hope you have is clean flash stock ROM with locked bootloader, go to service center and tell them it happened after you updated to the latest security patch.
first they will flash using EDL cable (deep flash) if that doesnt help they will replace the whole motherboard (that's how my issue was solved)
i recommend you to follow this procedure.
Click to expand...
Click to collapse
Were you charged for it? I don't think they would have replaced it for free.

guy_infinity said:
Were you charged for it? I don't think they would have replaced it for free.
Click to expand...
Click to collapse
Nothing was charged not even a single penny, i just told them it started after i updated to oreo, even they said its happening because of oreo, but you gotta have a locked bootloader.

Rawwr said:
Nothing was charged not even a single penny, i just told them it started after i updated to oreo, even they said its happening because of oreo, but you gotta have a locked bootloader.
Click to expand...
Click to collapse
Oh. That's great!
Pretty sure I'm gonna try this once I corrupt my persist partition too.

guy_infinity said:
Oh. That's great!
Pretty sure I'm gonna try this once I corrupt my persist partition too.
Click to expand...
Click to collapse
Did you guys already try flashing persist thru ADB shell on pc:
dd if=/sdcard/persist.img of=/dev/block/bootdevice/by-name/persist

guy_infinity said:
Oh. That's great!
Pretty sure I'm gonna try this once I corrupt my persist partition too.
Click to expand...
Click to collapse
haha great xD
---------- Post added at 04:55 PM ---------- Previous post was at 04:54 PM ----------
CoolPlushBear said:
Did you guys already try flashing persist thru ADB shell on pc:
dd if=/sdcard/persist.img of=/dev/block/bootdevice/by-name/persist
Click to expand...
Click to collapse
yeah i did, i said service center guys flashed the whole ROM but that couldnt help it.

Help
Hello friend, did you manage to solve it? At this moment I am in the same problem. I appreciate you if you can help me.

Can't install TWRP

Can't install TWRP on latest Global ROM 10.3.11 Mi 9T
I've tried both versions of TWRP from the Development section. fastboot flash twrp.img work, but after fastboot boot twrp.img just reboots the system as usually.
Any suggestion?

Delete data in two before restarting

stayfidz said:
Delete data in two before restarting
Click to expand...
Click to collapse
How should I delete data without entering TWRP?

PBuldog said:
How should I delete data without entering TWRP?
Click to expand...
Click to collapse
with the command: fastboot -w

Try to enter manually by hand and not restar thru fastboot, then delete data, and restart in recovery from twrp

Install russian twrp next? Same happend for me also(can't remember what twrp using first). First TWRP flashboot, but system start normally. Re start again to flashboot and use russian twrp. For me it works.
Search "twrp-3.3.1-2-davinci-fix"
https://forum.xda-developers.com/mi-9t/development/unoffocial-3-1-1-2-fixed-4pda-t3952672

Schnedi said:
with the command: fastboot -w
Click to expand...
Click to collapse
after this command i am stuck su mi logo help me please

alfi79 said:
after this command i am stuck su mi logo help me please
Click to expand...
Click to collapse
What were you trying to do/install/flash to use that command?

alfi79 said:
after this command i am stuck su mi logo help me please
Click to expand...
Click to collapse
Try to enter to fastboot and install twrp from russian forum quoted above clicking the fix bat file... Reboot manually to twrp and done

Hucast_DL said:
Try to enter to fastboot and install twrp from russian forum quoted above clicking the fix bat file... Reboot manually to twrp and done
Click to expand...
Click to collapse
guys I tried flashing the Russian version by double-clicking on twrp.bat is but now it's stuck on fastboot only.how can I fix damn

Hucast_DL said:
Try to enter to fastboot and install twrp from russian forum quoted above clicking the fix bat file... Reboot manually to twrp and done
Click to expand...
Click to collapse
guys please help me i don't know how to do it.you are stuck on fastboot.forse i deleted everything from phone.how can i restore everything? I have bootloader unlocked and I downloaded my global rom which I had before 3.0.11. Thanks in advance

alfi79 said:
guys please help me i don't know how to do it.you are stuck on fastboot.forse i deleted everything from phone.how can i restore everything? I have bootloader unlocked and I downloaded my global rom which I had before 3.0.11. Thanks in advance
Click to expand...
Click to collapse
You have to flash a fastboot rom with MiFlash Tool.

Schnedi said:
You have to flash a fastboot rom with MiFlash Tool.
Click to expand...
Click to collapse
forgive me schnedi but I follow all the steps but at the moment of the flash I always have an anti roll back error.and I can't flash the rom mange

alfi79 said:
forgive me schnedi but I follow all the steps but at the moment of the flash I always have an anti roll back error.and I can't flash the rom mange
Click to expand...
Click to collapse
This issue is mining a lot!
solution to be tested and working here:
https://xiaomi.eu/community/threads...recovery-fails-please-help.51349/#post-497558

alfi79 said:
forgive me schnedi but I follow all the steps but at the moment of the flash I always have an anti roll back error.and I can't flash the rom mange
Click to expand...
Click to collapse
when I put the img file in the memory then I can't see it because? do I have to mount something?

stayfidz said:
Try to enter manually by hand and not restar thru fastboot, then delete data, and restart in recovery from twrp
Click to expand...
Click to collapse
trying to flash TWRP, but always go back to MI RECOVERY
What do you mean by enter manually by hand

Sadly, Bricked Almost New Redmi K20...Can Anyone Please Help me Fixing this !!!

Dear Friends,
I have just imported redmi k20 from China. But accidently deleted my EFS Partition. I had not backed it up. I have access to fastboot and TWRP.
Please help me fixing this problem for the sake of my hard earned money.???
I'll be always obliged.
Regards,

mujahidyousaf said:
Dear Friends,
I have just imported redmi k20 from China. But accidently deleted my EFS Partition. I had not backed it up. I have access to fastboot and TWRP.
Please help me fixing this problem for the sake of my hard earned money.???
I'll be always obliged.
Regards,
Click to expand...
Click to collapse
Download your phone firmware and miflash tool, flash via fastboot with this software but DONT re lock the bootloader

i did it 2 times, each time i downloaded the rom from the xiaomi site and transferred it to my phone and flashed with twrp

Pupet_Master said:
Download your phone firmware and miflash tool, flash via fastboot with this software but DONT re lock the bootloader
Click to expand...
Click to collapse
Did that many times brother but it is still stuck in bootloop. The problem is that i have damaged EFS Partition. Ihave tried installing ROM through TWRP and also through fastboot with miflash. When i enter in Mi recovery i get message of " NV data corrupted".

mujahidyousaf said:
Did that many times brother but it is still stuck in bootloop. The problem is that i have damaged EFS Partition. Ihave tried installing ROM through TWRP and also through fastboot with miflash. When i enter in Mi recovery i get message of " NV data corrupted".
Click to expand...
Click to collapse
You need to fix the partitions i think (idk how, but try on TWRP, there is a option to fix partitions) or in last case with fastboot i think its possible

Pupet_Master said:
You need to fix the partitions i think (idk how, but try on TWRP, there is a option to fix partitions) or in last case with fastboot i think its possible
Click to expand...
Click to collapse
I am not sure how to do that. But i have searched a lot on internet but can't find any solution.

this could help
Download stock rom and upack to the C:
copy this files from adb to the rom https://cs5-2.4pda.to/16762384/05.png?bc48fd2c50cba18a8da8778c9cdc19a9
run flash_all.bat
DONT USE FLASH_ALL_LOCK.BAT IF YOU FLASHNING GLOBAL ROM ON K20, THATS BRICKED YOUR PHONE...

If non of the above works than you can try this: https://romprovider.com/2020/03/xiaomi-mi-9t-imei-repair/
I know that i used something very similar when rebuilding EFS on my old Mi A1 and it did work. Though i didnt try it on Mi 9T because i didnt need it yet.

xpxrx said:
this could help
Download stock rom and upack to the C:
copy this files from adb to the rom https://cs5-2.4pda.to/16762384/05.png?bc48fd2c50cba18a8da8778c9cdc19a9
run flash_all.bat
DONT USE FLASH_ALL_LOCK.BAT IF YOU FLASHNING GLOBAL ROM ON K20, THATS BRICKED YOUR PHONE...
Click to expand...
Click to collapse
Ok brother. Let me give it a try.

Hey Bro, don't worry at all! It's because of EFS Corruption and you have to clear the partition and then flash ROM again with fastboot!
Boot into TWRP recovery.
From TWRP’s main screen, select Advanced » then Terminal.
Type the following commands in terminal (one by one):
dd if=/dev/zero of=/dev/block/bootdevice/by-name/modemst1
dd if=/dev/zero of=/dev/block/bootdevice/by-name/modemst2
Reboot device.
go to TWRP, Flash ROM