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Invalid Imei, Locked Bootloader, no EDL. Can anyone help?

Hi Guys.
This is a Mediatek Helio X25 Redmi Pro and it came to me bricked from its owner who tried to root it the wrong way. I managed to flash an official rom and bring it back to life but as apparently is the case with these phones, the nvram has been corrupted/rewritten and there's no Imei numbers on the phone, which means no calls and stuff. WiFi works fine. I've already had permission to unlock the bootloader but obviously I can't do anything about it since the software won't ID the device. I believe I might be able to flash a backup of nvram.bin, but I don't have one from this phone, which is why I am posting this here, hoping that maybe one of you can help me by sending me a copy of his own Redmi Pro nvram.bin file. Of course I only need it to get the thing back in the system, after which I can unlock it and use the original Imei numbers. Or if someone has another suggestion, I would greatly appreciate it.
Thanks in advance.

Search for SN writer. Then follow the steps from en.miui.com/thread-198017-1-1.html
Of course you have to have the original imei stickers for the numbers. Entering random numbers is illegal AFAIK.
This will fix your IMEI.

Binnylaw said:
Search for SN writer. Then follow the steps from en.miui.com/thread-198017-1-1.html
Of course you have to have the original imei stickers for the numbers. Entering random numbers is illegal AFAIK.
This will fix your IMEI.
Click to expand...
Click to collapse
Thanks for the reply, friend. I have tried that, as well as almost every other solution provided on the internet apart from the deepflash cable, but I keep getting error messages. And yes, I do have the original Imei numbers and it's those that I'm trying to restore. It just seems that something has gone really wrong in the boot partition and it won't let me do anything there. I'm out of ideas. The phone works fine, except for sim service; I am able to flash roms, but not fully. There's always 3 files that won't be downloaded to the phone using SP Flash Tool. I cannot use MiFlash because the phone won't boot on EDL mode. Any other suggestions you might have, I appreciate them.
Cheers

nsterjo said:
Thanks for the reply, friend. I have tried that, as well as almost every other solution provided on the internet apart from the deepflash cable, but I keep getting error messages. And yes, I do have the original Imei numbers and it's those that I'm trying to restore. It just seems that something has gone really wrong in the boot partition and it won't let me do anything there. I'm out of ideas. The phone works fine, except for sim service; I am able to flash roms, but not fully. There's always 3 files that won't be downloaded to the phone using SP Flash Tool. I cannot use MiFlash because the phone won't boot on EDL mode. Any other suggestions you might have, I appreciate them.
Cheers
Click to expand...
Click to collapse
Tried this method?
http://en.miui.com/thread-411112-1-1.html
Sent from my Redmi Note 4 using Tapatalk

If your phone is booting, I am pretty sure your snwriter version is wrong. Please use this exact version and let us know.
snwritetool.com/download/sn-write-tool-v1-1648

Binnylaw said:
If your phone is booting, I am pretty sure your snwriter version is wrong. Please use this exact version and let us know.
snwritetool.com/download/sn-write-tool-v1-1648
Click to expand...
Click to collapse
I have tried maybe 3 different versions of Sp Flashtool, including this one. I usually get a timeout message. But I will try again. Is there any specifics I should observe regarding the mdb files I need to use? I have tried all the ones that come with the roms I've tried, but without luck.

MaYbe I misunderstood.. You said ur phone is booting fine... and u are on an official ROM. If that is so, you should not use SP FLash to fix IMEI.
SN writer is needed to fix IMEI.. MDDB_InfoCustomAppSrcP_MT6797_S00_MOLY_LR11_W1603_MD_MP_V13_18_P69_1_ulwctg_n.EDB is the MDb file for developer ROM 7.3.6 and APDB_MT6797_S01_alps-mp-m0.mp9_W17.09 is the APDB...
Click on Dual IMEI and enter the two IMEIs.. Switch off the phone before connecting to the USb cable... Make sure you use the original Mi black cable. Now connect the phone without pressing ANY button at all.
That should do the job!

Binnylaw said:
MaYbe I misunderstood.. You said ur phone is booting fine... and u are on an official ROM. If that is so, you should not use SP FLash to fix IMEI.
SN writer is needed to fix IMEI.. MDDB_InfoCustomAppSrcP_MT6797_S00_MOLY_LR11_W1603_MD_MP_V13_18_P69_1_ulwctg_n.EDB is the MDb file for developer ROM 7.3.6 and APDB_MT6797_S01_alps-mp-m0.mp9_W17.09 is the APDB...
Click on Dual IMEI and enter the two IMEIs.. Switch off the phone before connecting to the USb cable... Make sure you use the original Mi black cable. Now connect the phone without pressing ANY button at all.
That should do the job!
Click to expand...
Click to collapse
No, you understood fine; it was me who typed SP Flashtool instead of SN Writer, which was what I meant. Everything else is as I wrote. I have tried 3 different versions of SN Writer, I connect fine and it starts the procedure following the same instructions you mentioned, but it stops half way, giving me an error message. I have tried different combinations of MDB and APDB files from several different ROMs I've downloaded, but they all fail. I'm not very familiar with these things but I can follow instructions and am quick to learn. Still, I have no idea why SN Writer or Maui Meta are not working. I tried to download an nvram.bin file I got from the internet with SP Flashtool, but it would not accept it as it was for Helio X20 I believe, which is why I was hoping someone would make available a copy of nvram.bin for this particular phone. I will also try to make a deepflash cable, hoping that might get me into EDL after which I can use MiFlash to reflash a new official Rom, but I don't know if it will work.

help please
Binnylaw said:
MaYbe I misunderstood.. You said ur phone is booting fine... and u are on an official ROM. If that is so, you should not use SP FLash to fix IMEI.
SN writer is needed to fix IMEI.. MDDB_InfoCustomAppSrcP_MT6797_S00_MOLY_LR11_W1603_MD_MP_V13_18_P69_1_ulwctg_n.EDB is the MDb file for developer ROM 7.3.6 and APDB_MT6797_S01_alps-mp-m0.mp9_W17.09 is the APDB...
Click on Dual IMEI and enter the two IMEIs.. Switch off the phone before connecting to the USb cable... Make sure you use the original Mi black cable. Now connect the phone without pressing ANY button at all.
That should do the job!
Click to expand...
Click to collapse
Hi there, please can you tell me where I find the files (mdb and adb)? Are they somewhere on the phone's firmware? Or somewhere in the rom i flashed?
I'm a beginner having a very similar issue having flashed a rom in rescuing a bricked phone and now have invalid IMEI numbers.
Thanks so much

Need QCN file for ZE550KL/Z00L (2GB Ram) Please.

I accidently erase my modemst and my imei is gone. Please help. :crying:

Qcn ze550kl 2gb variant
No service radio off plz help

PanitchonP said:
I accidently erase my modemst and my imei is gone. Please help. :crying:
Click to expand...
Click to collapse
Still needed or solved?

I still need it, thanks

addy692 said:
Still needed or solved?
Click to expand...
Click to collapse
still need it, thanks.

+1

@addy692 could you please help me for qcn file of ze550kl 2/16gb MSM8916 I need it as i have restored my imei but not getting signals as it shows radio off mode

pratik571 said:
@addy692 could you please help me for qcn file of ze550kl 2/16gb MSM8916 I need it as i have restored my imei but not getting signals as it shows radio off mode
Click to expand...
Click to collapse
i would provide u the file
but u have to wait as my exams are going on
if u want
i can share the file only after 13 may

https://drive.google.com/file/d/1FC6-HgqIpzIrI4gAITuvFWxRzL14Tqpd/view?usp=sharing
don't worry it's fixable

patrapatra said:
https://drive.google.com/file/d/1FC6-HgqIpzIrI4gAITuvFWxRzL14Tqpd/view?usp=sharing
don't worry it's fixable
Click to expand...
Click to collapse
Thanks for the file but yet i wanted it as MSM8916 file only for 2/16gb i restored one of the MSM8939 it still gets in bootloop.
I have writen my imei using Qualcomm IMEI & SN Writer using diag mode but still not getting signals at it shows gsm service:radio off in the device information using *#*#4636#*#* I am in MM Official Rom.
Please anyone share the file as i did much dig up but haven't got the file yet from 3 days struggling to get radio on mode and IMEI back please share it in pm if you're not be able to edit the file i will not be using your IMEI any how as i can write imei from Qualcomm IMEI & SN Writer tool.
 @addy692 please if possible give that file it would only take upto 5 minutes of process If you have the same model then only.
i had came across your another posts too and flashed that file but same bootloop i had file from
https://forum.xda-developers.com/ze...onor-qcn-file-ze550kl-z00ld-ww-t3520647/page2
From @aadi50 please help me out to get rid of these bootloop.
If anyone is able to do it for me please mention the rom and version used while backup ill do it to for restoring as the same.

Anyone still need help?

Leelka said:
Anyone still need help?
Click to expand...
Click to collapse
Please give me qcn file for z00ld 3/16gb version

Anyone know why MI NOTE 2 always no network with any global stable ROM ...

Hello guys...
as of my title my Mi note 2 cannot use for phone, no network always.
I brought to service center and he said network module broken, cause my screen broken i cannot claim my guarantee.
Is there any suggest for me ? For any task exclude phone is work fine, but i founded yesterday one application not detected fingerprint but on another phone MI 5 (MIUI 9) that application founded fingerprint, why this one?

So , are you saying that you flashed with MiFlash some global stable versions and you are not receiving network?
From when you have this problem?
A rom flash caused this? An update?

No with miflash but with download rom or i use update with updater... I just founded if my imei is unknown, can you help me to fill my imei as on the box sticker.. i think the problem i cannot have network cause it is .. i have granted to unlock my phone cause imei unknown i cannot do that.. and flash with miflash.. i am not remember exactly cause the first have this my sim card still micro not nano .. so maybe few month later.. exactly from new one...

gochengz said:
No with miflash but with download rom or i use update with updater... I just founded if my imei is unknown, can you help me to fill my imei as on the box sticker.. i think the problem i cannot have network cause it is .. i have granted to unlock my phone cause imei unknown i cannot do that.. and flash with miflash.. i am not remember exactly cause the first have this my sim card still micro not nano .. so maybe few month later.. exactly from new one...
Click to expand...
Click to collapse
Download the fastboot global beta rom from miui forum and open the flash all without storage.bat file then reboot to fastboot and plug your phone then hold the power button and let it boot. See if this works.

alexmanu1 said:
Download the fastboot global beta rom from miui forum and open the flash all without storage.bat file then reboot to fastboot and plug your phone then hold the power button and let it boot. See if this works.
Click to expand...
Click to collapse
How to fill imei unknown to that phone?

See if this works and we will see another method

alexmanu1 said:
See if this works and we will see another method
Click to expand...
Click to collapse
see what bro ... ??
when Xiaomi connected to PC on device manager not shown COM port Qualcomm ?

gochengz said:
see what bro ... ??
when Xiaomi connected to PC on device manager not shown COM port Qualcomm ?
Click to expand...
Click to collapse
I can't explain it all for you , you need to do some research on your own.
Follow this guide to install adb and fastboot on your PC : https://forum.xda-developers.com/showthread.php?t=2317790
Then open the flash_all_except_storage.bat and plug the phone in.

I have the same problem here...already tried mi flash in fastboot mode but still got invalid imei

idLockjb said:
I have the same problem here...already tried mi flash in fastboot mode but still got invalid imei
Click to expand...
Click to collapse
And meeeee

alexmanu1 said:
See if this works and we will see another method
Click to expand...
Click to collapse
Do u have another method beside this...i already tried this one but still cant get the imei

idLockjb said:
Do u have another method beside this...i already tried this one but still cant get the imei
Click to expand...
Click to collapse
There is a way to get your signal back , but your imei will be 00 or something like that.
Maybe you will have more luck than others.
You need to have root on your phone.
Also, adb and fastboot drivers are a must.
You will need to follow these 2 tutorials:
https://xiaomifirmware.com/guides-and-tips/enter-diag-mode-backup-imei-using-qpst/
http://en.miui.com/thread-315233-1-1.html
On the second one, it doesn't matter is for Mi4-C, it will be the same steps for our device.
Be careful as this method involves high level "stuff" . Don't skip steps and keep the first .qcn file safe.
I have a question for you. Your MEID is just like the one from the box right now?

alexmanu1 said:
There is a way to get your signal back , but your imei will be 00 or something like that.
Maybe you will have more luck than others.
You need to have root on your phone.
Also, adb and fastboot drivers are a must.
You will need to follow these 2 tutorials:
https://xiaomifirmware.com/guides-and-tips/enter-diag-mode-backup-imei-using-qpst/
http://en.miui.com/thread-315233-1-1.html
On the second one, it doesn't matter is for Mi4-C, it will be the same steps for our device.
Be careful as this method involves high level "stuff" . Don't skip steps and keep the first .qcn file safe.
I have a question for you. Your MEID is just like the one from the box right now?
Click to expand...
Click to collapse
Im sorry im a newbie with mi device, where is the meid in device? I didnt find it in 'about phone' view

idLockjb said:
Im sorry im a newbie with mi device, where is the meid in device? I didnt find it in 'about phone' view
Click to expand...
Click to collapse
It's in About phone -> Status -> IMEI information. If you don't have it there, try to see if *#06# shows it.
If you can't find it , no problem.

alexmanu1 said:
It's in About phone -> Status -> IMEI information. If you don't have it there, try to see if *#06# shows it.
If you can't find it , no problem.
Click to expand...
Click to collapse
Already tried *#06# it say invalid imei

alexmanu1 said:
It's in About phone -> Status -> IMEI information. If you don't have it there, try to see if *#06# shows it.
If you can't find it , no problem.
Click to expand...
Click to collapse
My meid are another no the box
I have another mi note 2, working ASAP, with meid and IMEI correct
but dont know how yo change MEID on qcn file, only how yo change IMEI and changing IMEI no work, because the MEID, how to change MEID on qcn?

BadWolfYe said:
My meid are another no the box
I have another mi note 2, working ASAP, with meid and IMEI correct
but dont know how yo change MEID on qcn file, only how yo change IMEI and changing IMEI no work, because the MEID, how to change MEID on qcn?
Click to expand...
Click to collapse
I really don't know, sir... I've tried for some time to find it and i did not...

Meid recovered, whith qcn hex editing
Now need recover IMEI and MAC ADRESS

BadWolfYe said:
Meid recovered, whith qcn hex editing
Now need recover IMEI and MAC ADRESS
Click to expand...
Click to collapse
Can you share with us how you found it?
EDIT: Nevermind XD

alexmanu1 said:
Can you share with us how you found it?
EDIT: Nevermind XD
Click to expand...
Click to collapse
Jajajajaja
You know the actual situation problem ??
3G signal, work
If i disconect and reconect wifi sim 1 = off
Dual sim work, and sim 2 no affected on wifi sim1 bug, IMEI 's are 0/unknown
And Mi Cloud say no valid IMEI/WIFI MAC
But MEID are correct and i have a great poor 2g/3g signal! Hahahahahaha

No IMEI and Unknown baseband !

Hi Guys, 6 months ago I lost my IMEI. I don't know what happened but I tried everything nothing helps me. There is only one hope. I need someone's QCN backup file. if I get a QCN file I can restore it to my phone and I will change the IMEI number
Thank you.

How to share qcn file??

06swax said:
How to share qcn file??
Click to expand...
Click to collapse
Zip the file. In the additional option click manage attachment and upload it. Thank you

Anyone please help me!!!

Please use Qualcomm flash tool..
nesan95 said:
Anyone please help me!!!
Click to expand...
Click to collapse
Please use Qualcomm read and write imei tool...it will repair your imei..

Aditya kukreti said:
Please use Qualcomm read and write imei tool...it will repair your imei..
Click to expand...
Click to collapse
What is Qualcomm read and write imei tool? Can you provide download link?

Read and write imei tool..
nesan95 said:
What is Qualcomm read and write imei tool? Can you provide download link?
Click to expand...
Click to collapse
Download link of read and write imei tool...https://androidmtk.com/download-readwrite-tool

Aditya kukreti said:
Download link of read and write imei tool...https://androidmtk.com/download-readwrite-tool
Click to expand...
Click to collapse
Not working. when I press read button I got connection fail error.

Please read the instructions given there
nesan95 said:
Not working. when I press read button I got connection fail error.
Click to expand...
Click to collapse
Please download the drivers of your device and install it and then connect it to the pc..and read the following instructions given their..mine imei was also corrupted couple of years ago..I was not able to make calls or use the internet connection..I found this tool and it repaired my imei..please make sure u flash ur original imei which is given in the box..

Aditya kukreti said:
Please download the drivers of your device and install it and then connect it to the pc..and read the following instructions given their..mine imei was also corrupted couple of years ago..I was not able to make calls or use the internet connection..I found this tool and it repaired my imei..please make sure u flash ur original imei which is given in the box..
Click to expand...
Click to collapse
I already installed the driver but as you said I downloaded the driver again and install it. My port is COM5 so I changed it to COM5 Still failed to read/write But I could able to connect QPST and restore the qcn successfully.
Did you face unknown baseband ??

No I didn't face unknown baseband
nesan95 said:
I already installed the driver but as you said I downloaded the driver again and install it. My port is COM5 so I changed it to COM5 Still failed to read/write But I could able to connect QPST and restore the qcn successfully.
Did you face unknown baseband ??
Click to expand...
Click to collapse
I face only null imei..but I faced the issue on another device not on nexus 6p..

Boot persist.img from MSMDownLoad Tool

Hello!
Oneplus 8 pro 12/256.
Such Problem.
CrashDump Mode after MSMdownload tool. I think the problem is with persist.img.
I have backup of persist.img which I made after buying device.
But I can't boot it because bootloader is locked.
I can't unlock bootloader because remote flashing is not allowed.
I can't allow remote flashing in Dev's Options because system doesn't boot.
I have an idea to boot persist.img from msmdownload tool but I don't know how.
I read that on xiaomi devices it is possible.
Can anybody suggest something?
​

n1kola14 said:
I have an idea to boot persist.img from msmdownload tool
​
Click to expand...
Click to collapse
Maybe by changing something in ROM for MSMdownload tool. But I don't know how to do it

one idea would be a modified MSMtool that installs TWRP recovery

n1kola14 said:
Hello!
Oneplus 8 pro 12/256.
Such Problem.
CrashDump Mode after MSMdownload tool. I think the problem is with persist.img.
I have backup of persist.img which I made after buying device.
But I can't boot it because bootloader is locked.
I can't unlock bootloader because remote flashing is not allowed.
I can't allow remote flashing in Dev's Options because system doesn't boot.
I have an idea to boot persist.img from msmdownload tool but I don't know how.
I read that on xiaomi devices it is possible.
Can anybody suggest something?
​
Click to expand...
Click to collapse
This makes no sense. The msm tool overwrites and fixes all partitions. Like, did you have a bad persist.img and use msm, it will revert all to stock. Its basically reinstalling OOS as if phone has no partitions on it. An example, on my oneplus 7 pro using dual boot, I have 3 data partitions a/b/c but when I use msm tool, it fixes and reverts back to a/b. And I don't have the same persist.img that came with phone installed. I had to install a different one

jamescable said:
This makes no sense.
Click to expand...
Click to collapse
Unfortunately, but it is.
I tried India 10.5.13 and global 10.5.4. The same result.
Msm downloads 100% without any mistakes (and locks bootloader) and than I have this:
Qualcom Crash Dump Mode
err_qdi.c:1038:EF:sensor_process:0x1:SNS_REG_INIT :0x5c:sns_registry_sensor.c:94:SNS_RC_SUCCESS == rc
subsys_err_fatal_intr_handlersubsys-restart: Resetting the SoC - slpi crashed. subsys_unregister

n1kola14 said:
Unfortunately, but it is.
I tried India 10.5.13 and global 10.5.4. The same result.
Msm downloads 100% without any mistakes (and locks bootloader) and than I have this:
Qualcom Crash Dump Mode
err_qdi.c:1038:EF:sensor_process:0x1:SNS_REG_INIT :0x5c:sns_registry_sensor.c:94:SNS_RC_SUCCESS == rc
subsys_err_fatal_intr_handlersubsys-restart: Resetting the SoC - slpi crashed. subsys_unregister
Click to expand...
Click to collapse
That might have been what ****ed your phone up. You are ONLY supposed to use the msm tool that matches your model. For me, global msm tool not Europe or china etc. There is a thread in development stating this

If you're going to use MSM, match your device variant it's not safe to rebrand using this method.
If your bootloader locks (which it should). And your fingerprint is still borked..,(which it could still be)
Then unlock the bootloader and run through the persist.img guide found in the guides section.
Tbh the MSM tool doesn't always fix the persist partition that's why people have RMAd their devices before there was a viable fix, otherwise there wouldn't have been like a 100 threads created when the persist issue arised.
FYI you don't need the back up to your persist partition to fix it..

had the same issue. Use Android 11 MSM tool and my battery was low like 0% idk if it helps but try.

Yeh, full battery is a wise idea!
I wish they had a Linux MSM tool for our Chromebooks, etc...

The only thing that fixes and overwrites ur persist partition is SMT download mode in MSM. But BE CAREFUL cuz it will delete ur IMEI and the Widevine certificates from the phone. I used it before and wished I didn't do it, now I'm with 0 IMEI and can't flash unlock_token to unlock bootloader cuz it says verify failed obviously due to no IMEI.
So use it with care and ONLY if you have no choice.

L0ND0NB0Y said:
The only thing that fixes and overwrites ur persist partition is SMT download mode in MSM. But BE CAREFUL cuz it will delete ur IMEI and the Widevine certificates from the phone. I used it before and wished I didn't do it, now I'm with 0 IMEI and can't flash unlock_token to unlock bootloader cuz it says verify failed obviously due to no IMEI.
So use it with care and ONLY if you have no choice.
Click to expand...
Click to collapse
You dont need an unlocked bootloader to fix your imei hit me up on telegram i will help you

gsser said:
You dont need an unlocked bootloader to fix your imei hit me up on telegram i will help you
Click to expand...
Click to collapse
Ok sir I'll PM you as soon as I get home

L0ND0NB0Y said:
Ok sir I'll PM you as soon as I get home
Click to expand...
Click to collapse
hey can you help as my imei is lost and baseband is also showing unknown after i flashed with smt download mode
i have serched everywhere but cant find the solution of this i m feeling dumb now

Nimnim12 said:
hey can you help as my imei is lost and baseband is also showing unknown after i flashed with smt download mode
i have serched everywhere but cant find the solution of this i m feeling dumb now
Click to expand...
Click to collapse
Just use SMT again it'll fix your baseband, and don't use random qcn files to fix IMEI cuz they corrupt the baseband.

L0ND0NB0Y said:
Just use SMT again it'll fix your baseband, and don't use random qcn files to fix IMEI cuz they corrupt the baseband.
Click to expand...
Click to collapse
thanks bro will be replying back if it works or not

Nimnim12 said:
thanks bro will be replying back if it works or not
Click to expand...
Click to collapse
Np I'll wait for response.

thankyou so much bro baseband is back now although imei is still not revered but got a hope

Happy I helped, now you reached my point no IMEI. Hmu on telegram so we can work on a solution @l0nd0nb0y_alt