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OP 6 stuck with no IMEI/MEID/BASEBAND/MAC address

Hi,
My OP6 is stuck and keeps restarting. I have flashed all stock roms via MSMtool from hydrogen OS to Oxygen OS 10.3.5. Even tried fastboot rom flashing with no luck.
Flashed stock OS via twrp still nothing.
I do have a backup of my EFS partition but flashing that via fastboot/terminal makes no difference in any stock OS.
I have searched every topic related to this particular error but didn't find any fix yet so was forced to create a new thread.
Need urgent help, it has been 3 months now and nothing worked. Few times my phone did boot properly with IMEI and other details but after few days same error( Don't remember what I did which fixed earlier)
Also, I did visit the repair shop but they didn't find any motherboard or IC damage whatsoever.
Experts/Mods need your help.

{Mod edit: Quoted post deleted!}
Click to expand...
Click to collapse
If you've efs backup which is uncorrupted, modemst1 & modemst2, flash modem files via fastboot, flash twrp image, flash twrp zip installer, reboot to recovery, wipe all partitions & flash OOS and simply reboot after flash, if your efs backup is not corrupted already, it should boot up fine

Unfortunately it didn't work for me. Now when I'm flashing oos 9 and above, 10.3.5 via MSMtool from unbrick thread..the OEM unlocking is greyed and can't unlock bootloader.
I hope I find a solution as nothing is working, how to verify if the EFS backup I have is not corrupted? Also, I do have a QCN file for IMEI backup will that be of any use?

Have you tried 5.1.5 oos? Even if it is an old android version, it should save your device and as far as I know it does not change anything if the bootloader is off.

Yes I tried, Oneplus_6_A6000_international_Oxygen_OS5.1.5_22_O.09_180517(MSMTool) still no imei/meid/mac address and frequent restarts.

Is there a fix for restoring EFS partition if the backup is corrupt?
Msmtool won't fix it? Flashing persist is also of no use

Guys any fix for EFS PARTITION? If it's corrupted

immi803 said:
If you've efs backup which is uncorrupted, modemst1 & modemst2, flash modem files via fastboot, flash twrp image, flash twrp zip installer, reboot to recovery, wipe all partitions & flash OOS and simply reboot after flash, if your efs backup is not corrupted already, it should boot up fine
Click to expand...
Click to collapse
Pls need help on this. Still not able to fix it.
It has been months now. How to check if EFS partition is corrupted or not?

lazye53 said:
Have you tried 5.1.5 oos? Even if it is an old android version, it should save your device and as far as I know it does not change anything if the bootloader is off.
Click to expand...
Click to collapse
I tried 5.1.5 oos but nothing is working

Ankur 116 said:
Pls need help on this. Still not able to fix it.
It has been months now. How to check if EFS partition is corrupted or not?
Click to expand...
Click to collapse
You have followed the steps above mentioned??

immi803 said:
You have followed the steps above mentioned??
Click to expand...
Click to collapse
Yes I did. After that device went into crash dump mode.
How to resolve that now. Not sure if everything was restored.

Ankur 116 said:
Yes I did. After that device went into crash dump mode.
How to resolve that now. Not sure if everything was restored.
Click to expand...
Click to collapse
Press power + vol up key to get out of crash dump mode
Than restart device into recovery mode by power + vol down key
Factory reset , wipe everything option and reboot

immi803 said:
Press power + vol up key to get out of crash dump mode
Than restart device into recovery mode by power + vol down key
Factory reset , wipe everything option and reboot
Click to expand...
Click to collapse
I went to fastboot and then recovery. Wiped and resettled as you asked. But again going in crashdump mode.
Attaching the error details.

Ankur 116 said:
I went to fastboot and then recovery. Wiped and resettled as you asked. But again going in crashdump mode.
Attaching the error details.
Click to expand...
Click to collapse
Modem is crashing, are you sure you've properly fastboot modemst1 & modemst2 files?
How you pushed these modem files using fastboot? What command exactly?

immi803 said:
Modem is crashing, are you sure you've properly fastboot modemst1 & modemst2 files?
How you pushed these modem files using fastboot? What command exactly?
Click to expand...
Click to collapse
I have tried fastboot flash modemst1 modemst1.bin
And same for modemst2.
Also, I tried flashing EFS partition backup via twrp using restore option.

Ankur 116 said:
I have tried fastboot flash modemst1 modemst1.bin
And same for modemst2.
Also, I tried flashing EFS partition backup via twrp using restore option.
Click to expand...
Click to collapse
You should try msmtool or fastboot rom flash

immi803 said:
You should try msmtool or fastboot rom flash
Click to expand...
Click to collapse
Used msmtool but whichever MSMTOOL I'M using still going to crash dump mode.
Can't use fastboot roms as bootloader is locked.

Ankur 116 said:
Used msmtool but whichever MSMTOOL I'M using still going to crash dump mode.
Can't use fastboot roms as bootloader is locked.
Click to expand...
Click to collapse
Your bootloader is locked????
Try to unlock it using command "fastboot oem unlock" , without commas in fastboot mode
See if it unlocks it?

immi803 said:
Your bootloader is locked????
Try to unlock it using command "fastboot oem unlock" , without commas in fastboot mode
See if it unlocks it?
Click to expand...
Click to collapse
I used msmtool as asked. So bootloader was locked. Since I'm not able to boot in OS due to crashdump error not able to enable OEM unlocking.
So kinda stuck here.

immi803 said:
Your bootloader is locked????
Try to unlock it using command "fastboot oem unlock" , without commas in fastboot mode
See if it unlocks it?
Click to expand...
Click to collapse
Any help on this will be appreciated

Question Help with twrp (mi mix 1)

Phone: mi mix 1 (lithium)
I did the adb and fastboot steps in flashing twrp.img (twrp is correct for my phone)
Adb devices
Adb reboot bootloader
Fastboot devices
Fastboot flash recovery twrp.img
Fastboot boot twrp.img
Here are the images (attached in post)
First, twrp logo screen appears
Then, it asks for password
Then, touchscreen doesn't work (3rd image is locked twrp)
I turned phone off.
Then power + volume up button goes to Mi-Recovery 3.0 (not twrp screen) which only shows 3 options
Reboot
Wipe Data
Connect with MIAssistant
Touch works when I boot phone normally (no touch working in only twrp)
How do I fix this?

just enter the password??

ineedroot69 said:
just enter the password??
Click to expand...
Click to collapse
1. The touchscreen is not working
2. I don't know this decryption password (my phone is new and i haven't set any kind of password pin/pattern/fingerprint)

sgn15 said:
Phone: mi mix 1 (lithium)
I did the adb and fastboot steps in flashing twrp.img (twrp is correct for my phone)
Adb devices
Adb reboot bootloader
Fastboot devices
Fastboot flash recovery twrp.img
Fastboot boot twrp.img
How do I fix this?
Click to expand...
Click to collapse
Flashing TWRP requires phone's bootloader is unlocked, whereas booting into TWRP doesn't require phone's bootloader is unlocked.
Wondering why you flashed TWRP and booted into it at the same time?

jwoegerbauer said:
Flashing TWRP requires phone's bootloader is unlocked, whereas booting into TWRP doesn't require phone's bootloader is unlocked.
Wondering why you flashed TWRP and booted into it at the same time?
Click to expand...
Click to collapse
forbidden combo

jwoegerbauer said:
Flashing TWRP requires phone's bootloader is unlocked, whereas booting into TWRP doesn't require phone's bootloader is unlocked.
Wondering why you flashed TWRP and booted into it at the same time?
Click to expand...
Click to collapse
Oh? I tried flashing again
Fastboot flash recovery twrp.img
Fastboot reboot
It rebooted into normal android
I turned phone off then holdpressed power and volume up buttons. It went to Mi-Recovery 3.0 not twrp. The cmd said twrp was flashed successfully.
Why is it like this?
I have 3 issues:
1. Twrp asks for decryption password
2. Touchscreen not working
3. Can't go to twrp using power and volume up button
edit: bootloader already unlocked before I'm doing all these twrp steps

sgn15 said:
Oh? I tried flashing again
Fastboot flash recovery twrp.img
Fastboot reboot
It rebooted into normal android
I turned phone off then holdpressed power and volume up buttons. It went to Mi-Recovery 3.0 not twrp. The cmd said twrp was flashed successfully.
Why is it like this?
I have 3 issues:
1. Twrp asks for decryption password
2. Touchscreen not working
3. Can't go to twrp using power and volume up button
edit: bootloader already unlocked before I'm doing all these twrp steps
Click to expand...
Click to collapse
try "default_password" as password

ineedroot69 said:
try "default_password" as password
Click to expand...
Click to collapse
Touchscreen not working when in twrp

sgn15 said:
Touchscreen not working when in twrp
Click to expand...
Click to collapse
Disable dm-verity

ineedroot69 said:
Disable dm-verity
Click to expand...
Click to collapse
Thanks. But it wasn't dm-verity. It says it's not enabled.
It was a kernel issue.
Good thing I have a usb hub and otg cable so I used mouse and flash drive to work through twrp.
I'm semi-noob at these things because the last and only time I dabbled in flashing was way back (samsung galaxy note 2) so I'm good as complete newbie in a way.
Thanks to everyone who replied here. Appreciated.
edit:
The faulty twrp was the source of the "touchscreen not working" issue

"The system has been destroyed" Poco X3 NFC

So I was just messing around with my phone and somehow "destroyed" it. Is it possible to somehow flash it?

xiaomi.eu_multi_POCOX3NFC_V12.0.8.0.QJGMIXM_v12-10

MilanTom said:
So I was just messing around with my phone and somehow "destroyed" it. Is it possible to somehow flash it?
Click to expand...
Click to collapse
Don't worry dude. You can still take your phone to fastboot mode. Download a FASTBOOT rom (*.gz or *.tgz) from mifirm.net then flash it via mi-flash (download from mi-globe). Follow the instructions on mifirm.net

adadwa
ndminhdev said:
Download a FASTBOOT rom (*.gz or *.tgz) from mifirm.net
Click to expand...
Click to collapse
Ok I understand that and I've downloaded the ROM but there is this sentence "1. If Fastboot firmware. The ext. must be tgz. If not. Rename it from .gz to .tgz. Extract it by WinRAR" and also these sentences "ZIP. ZIP ROM using Update function in System or TWRP EU. EU ROM flash using TWRP".
I am just completely lost

To be simple : your flash went wrong probably with a bad rom download or a bad flash method.
If I were you I'd reread the post on installing Xiaomi.eu rom and redownload the whole.
Install OrangeFox recovery with the corresponding thread in the forum and ask if you're still lost
By the way, how did you flash that ROM?

Howell said:
By the way, how did you flash that ROM?
Click to expand...
Click to collapse
Well I started on this site https://magiskmanager.com/#How_to_I...Version_220_on_Android_Custom_Recovery_Option and downloaded the stuff that the site said was needed

And which recovery are you using ?

You should be able to reflash stock and recover your phone using the MiFlash tool.
Download fastboot ROM here, and MiFlash tool here.

And also the problem is, that my phone (Poco X3 NFC) isn't being shown in the MiFlash software. I can access the fastboot screen on my phone and yet it still won't show up

Adb drivers are installed ?

Howell said:
Adb drivers are installed ?
Click to expand...
Click to collapse
Yessir

Howell said:
And which recovery are you using ?
Click to expand...
Click to collapse
I don't know If I even have one, because when I hold Volume + and Power button, nothing happens

MilanTom said:
I don't know If I even have one, because when I hold Volume + and Power button, nothing happens
Click to expand...
Click to collapse
But I am pretty sure I tried to install TWRP Recovery

Mate that's just caused by something going wrong. The only times I get that message is the times I have tried to flash a GSI.
I don't know if you can with this unit?
I've fixed that about 5 times with miflash or miflashpro.
Do you have miflash?
It forces a reformat of Miui recovery rom an then you can start again. Just pay close attention to the bottom right hand corner an make sure it is off default. Default is 'relock bootloader'.
MilanTom said:
So I was just messing around with my phone and somehow "destroyed" it. Is it possible to somehow flash it?
Click to expand...
Click to collapse

If drivers are installed an
Howell said:
Adb drivers are installed ?
Click to expand...
Click to collapse
everything is up an running you should be able to get it into fastboot mode (picture of little rabbit fixing his android) an use miflash to reformat an force a flash of miui recovery rom.
I had that happen once with me an it turned out it was my type c cable. Pulled it out an plugged in a wala. PC could connect with my Poco

Bryceicle1971 said:
I had that happen once with me an it turned out it was my type c cable. Pulled it out an plugged in a wala. PC could connect with my Poco
Click to expand...
Click to collapse
The problem is that my computer can't find my phone. Nothing happens when I plug in the USB-C Cable. It doesn't work on the Fastboot screen nor does it work on "the System has been destroyed" screen. I am pretty sure I downloaded the neeeden drivers. And also, the phone was being found/recognized in the working state.

You need to extract then extract again. You double extract with a fastboot image. Then in miflash you find where you extracted that image to. Then hit refresh in miflash an your device should show in miflash. Miflash can be a tricky beast till you have practiced using it a few times

Hi. If you haven't fixed it yet you can try this: Download stock ROM from here (make sure it's the right one for your device!), choose Recovery ROM download link. Put it in your ADB folder. Do the same with recovery. Download this version of recovery as well. Enter fastboot mode on your device and connect it to your PC. Make sure it's detected. If not, try a different USB port on your computer. Open ADB using Open CMD.bat file in ADB folder.
Type in:
fastboot flash recovery OrangeFox-R11.0_6_Alpha-Unofficial-surya.img (hit Enter)
Type in:
fastboot reboot recovery
You should now be able to access your device internal storage from your PC. Copy the downloaded ROM file and OrangeFox-R11-Unofficial-Beta-surya-10-01.zip to your phone (put them in "Download" folder so they're easy to find).
Using Orange Fox recovery file manager find OrangeFox-R11-Unofficial-Beta-surya-10-01.zip and flash it then REBOOT TO RECOVERY.
Using Orange Fox recovery file manager find your ROM file and flash it. Do not reboot! Hit BACK and choose WIPE in Orange Fox menu (Trashcan icon, second from the right) and switch to Format Data at the top. Read the instructions and follow them by typing YES. Reboot to system. You should now have a working device with a clean stock ROM and a custom recovery installed and keep messing around with it

MocnePifko said:
Put it in your ADB folder.
Click to expand...
Click to collapse
Just two more question.
Where does one get the ADB folder? I may have downloaded a few but I don't know if those were good/correct for my device.
And what can I do when the device is not being detected by my computer? Like should I download and install some new drivers?

But can you reach the fastboot splash in your phone?

phone not vibrate to power on after flash vbmeta for android 11 gsi

please any help , my phone "redmi 6a " , I tried to install android 11 gsi from google from this tutorial
Install Android 11 on GSI Supported Project Treble Devices
In this guide, we will show you how to install Android 11 GSI on Project Treble devices using two methods: TWRP and Fastboot Commands.
www.droidwin.com
, and flashing vbmeta.img by twrp was not clear for me as I must "select partition to flash image " as twrp says , so i flashed vbmeta.img one time as boot and another time as bootloader and then flash system.img as system and then install permissiver_v5.zip and then reboot , my phone now not powered on at all , even any logo not appear , i put it in charger and hold power button a lot but no vibration at all and also can't open twrp or fastboot as my hold on power button all it did is flash the above light led when it is in the charger , no any thing else , I think the problem is related to my mistake when flash vbmeta as i didn't know any option i must choose or what is the problem and how can i fix it please ?

You messed up your boot system.....

1. You need a PC
2. Redmi Drivers
3. USB CABLE
4. MiFlash tool and the stock ROM

Do you have MiFlash installed on your PC?

yes , it is installed , i connected the phone as you say but it is not read by the flash tool till now

Wait so has it been discovered or not

Tried different usb ports?

Keno_I said:
Wait so has it been discovered or not
Click to expand...
Click to collapse
not discovered as in this image , although in past days , it was discovered

Keno_I said:
Tried different usb ports?
Click to expand...
Click to collapse
yes

You cannot get into bootloader?

If you cant did you check if adb connects?

Keno_I said:
You cannot get into bootloader?
Click to expand...
Click to collapse
yes , i can't but i hope i use wrong program , did you see my attachment above , if this the program you say , then yes it can't read my device although i click driver and install the drivers from the program it self

Keno_I said:
If you cant did you check if adb connects?
Click to expand...
Click to collapse
adb devices not showing any device although my phone has the above tiny light circle that indicates that it is charging by the cable connected to my pc

Try fastboot devices
Or adb devices command

Keno_I said:
Try fastboot devices
Or adb devices command
Click to expand...
Click to collapse
tried them both

i want to know is the problem already is flash vbmeta as boot ?
and now what can i do ?

1. Windows PC with MiFlash Beta (!) tool
2. Download a Xiaomi Fastboot Rom
3. extract Rom to your PC
4. start MiFlash Beta tool and point to the extracted folder
5. press Vol+ & Vol- & Power on your Mi for 10 seconds and connect it to your PC while holding the buttons another second after plugging it in
6. press refresh button on MiFlash tool
7. if your drivers are installed correct, your phone should be visible on COM-Port XXX
8. press flash and hopefully it will be flashed
9. if not: try several times
10. wait until it boots to the welcome screen (around 5 mins)
now your phone should be useable again.

i will try those steps now and tell you , i thank you very much

Did it work?

Keno_I said:
Did it work?
Click to expand...
Click to collapse
no , mi flash tool can't read it but there are good and bad news , good is that from here
i could solve my problem using sp flash tool and all instructions in the above video , but bad is after that i tried to root my device using magisk patched boot image and then got infinite boot loop and also want now to solve it the same way by sp flash tool but phone restarts every 6 or 7 seconds so sp flash tool not working with me and also tried a lot of combinations of buttons to go in fast boot mode but invain so what you think i am supposed to do now

Poco F2 Pro: Wipe all partition. fastboot and adb not work.

When flashing a custom ROM via TWRP, a wipe was accidentally performed on all partitions.
Since then it is no longer possible to access the device via fastboot and adb.
Even an OTG stick is not recognized.
Booting into the bootloader is possible.
I can also boot the TWRP recovery.
Can the device be unbricked again?
Thanks for the help in advance!

khlt said:
When flashing a custom ROM via TWRP, a wipe was accidentally performed on all partitions.
Since then it is no longer possible to access the device via fastboot and adb.
Even an OTG stick is not recognized.
Booting into the bootloader is possible.
I can also boot the TWRP recovery.
Can the device be unbricked again?
Thanks for the help in advance!
Click to expand...
Click to collapse
What twrp are you using?
Which rom version installed A12 or A11?
Try with the twrp to format data, write yes reboot Twrp(If error red lines,reboot Twrp and format again).
Then plugin to the Pc on Twrp and check if visible, put the rom or use otg and flash the rom.

The recovery is 3.6.1_11-RedmiK30Pro_v3.4_A12.
Originally MIUI 13 was installed.
After formatting the data, the pc still does not recognize the device.
Even an OTG stick is not recognized.

khlt said:
The recovery is 3.6.1_11-RedmiK30Pro_v3.4_A12.
Originally MIUI 13 was installed.
After formatting the data, the pc still does not recognize the device.
Even an OTG stick is not recognized.
Click to expand...
Click to collapse
try enter in Fasboot mode: Power button + volume -

NOSS8 said:
try enter in Fasboot mode: Power button + volume -
Click to expand...
Click to collapse
still the same problem

khlt said:
still the same problem
Click to expand...
Click to collapse
Still Can't Enter Fastboot Mode?

It is possible to enter fastboot mode.
But the fastboot command returns no result.

khlt said:
It is possible to enter fastboot mode.
But the fastboot command returns no result.
Click to expand...
Click to collapse
Try this tool in Fastboot mode:
https://forum.xda-developers.com/t/flash-tool-guide-use-xiaomi-flash-tool.4262425/
If you have a K30 pro dont lock the bootloader

I downloaded the MiFlashTool 2021.8.13.0.
The phone is in fastboot mode.
The program does not recognize the phone.

khlt said:
I downloaded the MiFlashTool 2021.8.13.0.
The phone is in fastboot mode.
The program does not recognize the phone.
Click to expand...
Click to collapse
"It is possible to enter fastboot mode.
But the fastboot command returns no result."
The phone is visible?
Was he before?
Try another version of Miflash.(MiFlash2020-3-14-0)
Install the drivers with Miflash.
change USB2 port.

The phone is visible? no
I downloaded the MiFlashTool 2020-3-14-0.
I installed the drivers with Miflash.
I changed USB2 port.
The MiFlashTool does not recognize the phone.

khlt said:
The phone is visible? no
I downloaded the MiFlashTool 2020-3-14-0.
I installed the drivers with Miflash.
I changed USB2 port.
The MiFlashTool does not recognize the phone.
Click to expand...
Click to collapse
https://forum.xda-developers.com/t/reflash-poco-f2-pro-with-qfil-through-edl.4386869/