Database Info

MI4C IMEI/Baseband unknown

Hi guys!
Yesterday my firmware update went terribly wrong and now I have a device that states that imei and baseband are unknown, so I my both sim-cards don't work.
I've tried several types of IMEI restoration, but none of them worked.
Unfortunately I don't have any backup for nvram. So, my guess is that there is a problem with EFS partition on the phone.
In QPST NV RF Manager I see my real IMEI from the box, so I guess it is still present, but my baseband doesn't work. Can you please suggest any help on recovering the baseband? Or if it is possible share with me modem backup or nvram backup without IMEI (I've seen on this forum that one guy with Samsung S3 had a kind of the same problem and he was given a working nvram backup without IMEI (IMEI was 0/00)) I can write my IMEI then, if baseband works again. Will appreciate any help.

Send it back. Only the oem is legally able to mess with the IMEI.

zelendel said:
Send it back. Only the oem is legally able to mess with the IMEI.
Click to expand...
Click to collapse
Well... I have managed to make it work again and my original IMEI is back. The only thing I had to do is to restore a working NVRAM backup (from another device) via QPST. So, it wasn't that hard. Much simpler than sending it back to China.

landslider said:
Well... I have managed to make it work again and my original IMEI is back. The only thing I had to do is to restore a working NVRAM backup (from another device) via QPST. So, it wasn't that hard. Much simpler than sending it back to China.
Click to expand...
Click to collapse
If you restored the file from another device then it won't have the right IMEI.

zelendel said:
If you restored the file from another device then it won't have the right IMEI.
Click to expand...
Click to collapse
It HAS right IMEI, I checked it with the original box. No need to put up an argument about it. Both devices (mine and the one which was backupped and restored from) are working fine, bot have ORIGINAL IMEI numbers and no errors considering networks or MI accounts. So, actually I have no idea what you are trying to tell me.

landslider said:
It HAS right IMEI, I checked it with the original box. No need to put up an argument about it. Both devices (mine and the one which was backupped and restored from) are working fine, bot have ORIGINAL IMEI numbers and no errors considering networks or MI accounts. So, actually I have no idea what you are trying to tell me.
Click to expand...
Click to collapse
I'm not making an argument. I'm trying to figure out how a number which is supposed to be hard coded into the file is then restored by restoring the files from a different device.
As these devices are not sold in the states learning as much as possible is a good thing.
Glad you got it working.

zelendel said:
I'm not making an argument. I'm trying to figure out how a number which is supposed to be hard coded into the file is then restored by restoring the files from a different device.
As these devices are not sold in the states learning as much as possible is a good thing.
Glad you got it working.
Click to expand...
Click to collapse
Okay, sorry. I will try to make it a bit clearer=) This device is not sold in Russia either (officially at least), so the only way to get it is to buy from aliexpress or ebay or anything else. In that case the buyer doesn't get any guarantee or official support. So if the device is broken and can't be restored it turns into a garbage. I believe that in the US the situation with that kind of devices is almost the same.
Now, if You are not familiar with QPST it is a software package for qualcomm based devices which can make backup/restore of some non-firmware software from the device (like IMEI, ESN, Baseband, LTE Channels etc). As for IMEI number, basically, as You've said it is hard coded into device so it is pretty hard to get it changed or fully deleted. Here we come to my case of unknown Baseband and IMEI. Though via phone settings I could see: "Unknown", my IMEI didn't change and was stored in the device. The "error" or smth like that happened after the factory reset and my guess is that the file structure of NVRAM was changed. So, backup of NVRAM taken from the working device didn't actually have IMEI or ESN in it, but it has the right file structure without any errors. That is what happened, the file structure was restored without changing any factory numbers.
If you have any questions, feel free to ask

landslider said:
Okay, sorry. I will try to make it a bit clearer=) This device is not sold in Russia either (officially at least), so the only way to get it is to buy from aliexpress or ebay or anything else. In that case the buyer doesn't get any guarantee or official support. So if the device is broken and can't be restored it turns into a garbage. I believe that in the US the situation with that kind of devices is almost the same.
Now, if You are not familiar with QPST it is a software package for qualcomm based devices which can make backup/restore of some non-firmware software from the device (like IMEI, ESN, Baseband, LTE Channels etc). As for IMEI number, basically, as You've said it is hard coded into device so it is pretty hard to get it changed or fully deleted. Here we come to my case of unknown Baseband and IMEI. Though via phone settings I could see: "Unknown", my IMEI didn't change and was stored in the device. The "error" or smth like that happened after the factory reset and my guess is that the file structure of NVRAM was changed. So, backup of NVRAM taken from the working device didn't actually have IMEI or ESN in it, but it has the right file structure without any errors. That is what happened, the file structure was restored without changing any factory numbers.
If you have any questions, feel free to ask
Click to expand...
Click to collapse
It is almost the same with a few exceptions. One being that their devices are banned from all people that work for the government, sometimes they get stopped at customs due to copyright issues and with the latest news about them coming loaded with malware, most won't buy them.
That makes sense in a way. Not sure why a factory reset would mess up that part of the device as it shouldn't touch it.
Thanks for the info.

zelendel said:
Not sure why a factory reset would mess up that part of the device as it shouldn't touch it.
Click to expand...
Click to collapse
I don't know either, but it was an unforgettable experience and a lesson to do backups of everything.

Hi @landslider, what's up friend? I have the same problem but I have no backup hidden partitions. Could you help me fix my device?

harolete said:
Hi @landslider, what's up friend? I have the same problem but I have no backup hidden partitions. Could you help me fix my device?
Click to expand...
Click to collapse
Hi! Have you tried flashing China developer rom with Miflash?
Second option: Connect to your PC and run QPST according to one of the manuals (in order for your phone to show up as a COM), run RF NV Manager and look up your line 550 NV_IMEI if it is filled with numbers that are the same as on your box (check HEX above them and numbers should resemble yours from box but written in opposite direction, eg: on the box it is XXXX69XXXXX in the QPST it will be 96). So, if your IMEI is at its place than all you need is a working device from someone to make a backup. Backup must be made in newer versions of QPST in *.xqcn format and than restored to your phone with checked box "allow ESN mismatch"

landslider said:
Well... I have managed to make it work again and my original IMEI is back. The only thing I had to do is to restore a working NVRAM backup (from another device) via QPST. So, it wasn't that hard. Much simpler than sending it back to China.
Click to expand...
Click to collapse
Could you teach me how to do that? how can i make nvram backup via other mi4c? and how can i put it into my mi4c ?? as i am not good at computer so i need your detailed explanation. I would be very glad if you help me.....

landslider said:
Okay, sorry. I will try to make it a bit clearer=) This device is not sold in Russia either (officially at least), so the only way to get it is to buy from aliexpress or ebay or anything else. In that case the buyer doesn't get any guarantee or official support. So if the device is broken and can't be restored it turns into a garbage. I believe that in the US the situation with that kind of devices is almost the same.
Now, if You are not familiar with QPST it is a software package for qualcomm based devices which can make backup/restore of some non-firmware software from the device (like IMEI, ESN, Baseband, LTE Channels etc). As for IMEI number, basically, as You've said it is hard coded into device so it is pretty hard to get it changed or fully deleted. Here we come to my case of unknown Baseband and IMEI. Though via phone settings I could see: "Unknown", my IMEI didn't change and was stored in the device. The "error" or smth like that happened after the factory reset and my guess is that the file structure of NVRAM was changed. So, backup of NVRAM taken from the working device didn't actually have IMEI or ESN in it, but it has the right file structure without any errors. That is what happened, the file structure was restored without changing any factory numbers.
If you have any questions, feel free to ask
Click to expand...
Click to collapse
so can you please upload that xqcn file from the working device ? i have the same issue and i can't find a working mi4c inn my area !

spybit2008 said:
so can you please upload that xqcn file from the working device ? i have the same issue and i can't find a working mi4c inn my area !
Click to expand...
Click to collapse
Hi! Unfortunately no, I can't. I don't have xiaomi mi4c anymore

spybit2008 said:
so can you please upload that xqcn file from the working device ? i have the same issue and i can't find a working mi4c inn my area !
Click to expand...
Click to collapse
http:/ en.miui.com thread-315233-1-1.html (replace whitespaces with slash)
There is a thread in official forum where one guy shares qcn backup. There is also an instruction to restore IMEI and baseband. But It doesn't help for me. Network still unavailable.

Mi Note 10 IMEI lost and baseband repair, QCN backup causes recovery loop

I have a CC9 Pro Premium. Even if i can't fix my problem, hopefully this story will PREVENT people from messing with their IMEIs... I hope no one ever goes through what I just did
I'm obviously by no means encouraging changing IMEIs, even in certain 3rd world countries where it could be necessary!
So here's a detailed backstory: When you purchase a phone where I live, you need a valid passport in order to pay tax and register it's IMEI number, and if not you get cut off by your operator within a month.
I didn't have one, since it also takes about 4-8 months to process, and I couldn't even preform a request due to the corona virus situation.
So, being the ignorant idiot I am, I thought it would be a great idea to change it's IMEI number till I can register the original one, since a lot of people do this over here apparently, white market
I followed a tutorial I found online (And re-posted on XDA, so there's nothing really wrong with it), and here's what happened:
(Root, TWRP and Diag is OK in all steps)
I made a .qcn backup using QPST build 480, saved the original somewhere safe, edited the copy, wiped modemst1, modemst2 and fsg, then restored it
*phone reboots*
Everything's the same, and still getting reception, no change
Took another backup and saw it was the same, so I give up
The next day I try again, but this time is when the problems started... I take another QCN backup just to be sure, and it's slightly larger (Could be because I just inserted a 2nd SIM for the first time right before it), edit it, then wipe modemst1, modemst2, fsg and this time: "fsc" since I saw someone do it in another tutorial for the Mi Note 10
*phone reboots*
*boot animation*
*resets and goes to recovery*
I was shocked. I wipe the 4 partitions again and the phone boots normally, nothing has changed (apparently).
So I put my SIMs in and go watch a movie. Then I switch it on, only to see there's no reception!!!
I wipe the partitions, and restore the first original backup... boots to recovery again...
Wipe... Boots normally... restore the 2nd original one (slightly larger, both sims)... boots to recovery...
Then I just decide to miflash a fastboot rom, maybe that will get things back to normal!
So I wipe, flash rom... IMEI and Baseband now Unknown... Yikes...
I next find an xQCN backup online for the Mi Note 10 that only has a single IMEI in it, that belongs to the 2nd sim (SIM 1 550 only, QCN View, the 1st 550 missing)
Replace it with my original and reboot, IMEI 2 and baseband is back! But no reception, even after multiple reboots...
I wipe partitions again, IMEI 2 is still there... Interesting...
I continue trouble shooting, even: wiping the partitions, restoring the original backup, flashing fastboot rom... still boots to recovery (Mi Recovery of course), setting 755 permission for modem files...
------------------------------------------------
SUMMERY:
I need to find out why the original backup keeps booting to recovery!!! Also some information about "fsc" partition would be nice, since wiping that probably started the whole issue (Is it a backup for fsg?!)
Important things I discovered:
1) Wiping modemst1 and modemst2 at the same time is enough for the phone to boot
2) The reboot to recovery (Recovery loop?) with the original backups is caused on an OS level, because one time it took so long that I even saw the lockscreen for half a second before it rebooted (no SIMcard in the phone either)
3) After hours of dorking I found 2 other similar instances that could be related:
https://forum.xda-developers.com/ze...onor-qcn-file-ze550kl-z00ld-ww-t3520647/page4 (Page 4-5)
(Normal boot using a custom rom?? Interesting... maybe Xiaomi.eu made no difference for me because it's still pretty much just MIUI)
https://www.youtube.com/watch?v=8Ym0FP4BkY0 (The bottom comment):
"We cannot repair both SIM slots.
We can only repair SIM2 slot for IMEI repairing. After IMEI repair process, SIM1 IMEI getting '0' value. When we are trying to repair both SIM slot phone is entering the Bootloop and entering the recovery mode(twrp). Thats why we are remove SIM1 IMEI from qcn file and this time we can will repair to SIM2 slot. Do you know this Problem ? What can we do to solve this problem? Thank you in advance for your help."
Regards, and many thanks... DON'T MESS WITH IMEIs!!!

imei repair is done.
the only problem is returning to "Factory settings" and imei is deleted.

gokmenm said:
imei repair is done.
the only problem is returning to "Factory settings" and imei is deleted.
Click to expand...
Click to collapse
Really?! How did you do it?! Both SIM cards or just SIM 2 ????????

ZINHAR said:
Really?! How did you do it?! Both SIM cards or just SIM 2 ????????
Click to expand...
Click to collapse
I am also facing same problem... I restored only one IMEI with Redmi Note 7
If found solution please inform me too

macblaze said:
I am also facing same problem... I restored only one IMEI with Redmi Note 7
If found solution please inform me too
Click to expand...
Click to collapse
So far it only seems possible to restore sim 2, I contacted a professional IMEI dealer and this is what he said:
"IMEIs cannot be changed simply through a USB port on modern snapdragon SOCs. Only the secondary sim modem can be restored, because the primary sim is locked to the chipset. When tampered with, it goes into a lockdown state which means it can probably never be used again unless a breach is found"
I sold the phone and got a Nokia 9 Pureview, much more consistent but still has it's own issues

ZINHAR said:
So far it only seems possible to restore sim 2, I contacted a professional IMEI dealer and this is what he said:
"IMEIs cannot be changed simply through a USB port on modern snapdragon SOCs. Only the secondary sim modem can be restored, because the primary sim is locked to the chipset. When tampered with, it goes into a lockdown state which means it can probably never be used again unless a breach is found"
I sold the phone and got a Nokia 9 Pureview, much more consistent but still has it's own issues
Click to expand...
Click to collapse
:crying::crying::crying: Okay thanks for your sharing :good:

Same issue with Mi Note 10
Hi I also flash to EU ROM and now Im facing the same no service issue. So how to solve this?

gaiya said:
Hi I also flash to EU ROM and now Im facing the same no service issue. So how to solve this?
Click to expand...
Click to collapse
If it's related to the IMEI, multiple guides have already been made since I made this post. Just search for it on YouTube!
If not, could be a bad rom, bad recovery, incomplete unlock, etc.
Try a stable Orange Fox Recovery, that might fix it

No service mi note 10
gaiya said:
Hi I also flash to EU ROM and now Im facing the same no service issue. So how to solve this?
Click to expand...
Click to collapse
Hi have you solved the no service issue?

No not yet, no any solution for it

gaiya said:
Hi have you solved the no service issue?
Click to expand...
Click to collapse
Just flash the SIM 2 QCN I provided (edit the IMEI), and write the IMEI using pirated box software for free, you can find everything you need on YouTube. When I had the problem, pirated box software for the Mi Note 10 wasn't available yet

redmi note 9s
ZINHAR said:
Just flash the SIM 2 QCN I provided (edit the IMEI), and write the IMEI using pirated box software for free, you can find everything you need on YouTube. When I had the problem, pirated box software for the Mi Note 10 wasn't available yet
Click to expand...
Click to collapse
Hi can you help me to change Redmi Note 9S IMEI repair ?
where can I find tutorial and programs

ZINHAR said:
Just flash the SIM 2 QCN I provided (edit the IMEI), and write the IMEI using pirated box software for free, you can find everything you need on YouTube. When I had the problem, pirated box software for the Mi Note 10 wasn't available yet
Click to expand...
Click to collapse
hey help me.
How to disable sim 1 imei.
Which pirated box tool you have used

ZINHAR said:
I have a CC9 Pro Premium. Even if i can't fix my problem, hopefully this story will PREVENT people from messing with their IMEIs... I hope no one ever goes through what I just did
I'm obviously by no means encouraging changing IMEIs, even in certain 3rd world countries where it could be necessary!
So here's a detailed backstory: When you purchase a phone where I live, you need a valid passport in order to pay tax and register it's IMEI number, and if not you get cut off by your operator within a month.
I didn't have one, since it also takes about 4-8 months to process, and I couldn't even preform a request due to the corona virus situation.
So, being the ignorant idiot I am, I thought it would be a great idea to change it's IMEI number till I can register the original one, since a lot of people do this over here apparently, white market
I followed a tutorial I found online (And re-posted on XDA, so there's nothing really wrong with it), and here's what happened:
(Root, TWRP and Diag is OK in all steps)
I made a .qcn backup using QPST build 480, saved the original somewhere safe, edited the copy, wiped modemst1, modemst2 and fsg, then restored it
*phone reboots*
Everything's the same, and still getting reception, no change
Took another backup and saw it was the same, so I give up
The next day I try again, but this time is when the problems started... I take another QCN backup just to be sure, and it's slightly larger (Could be because I just inserted a 2nd SIM for the first time right before it), edit it, then wipe modemst1, modemst2, fsg and this time: "fsc" since I saw someone do it in another tutorial for the Mi Note 10
*phone reboots*
*boot animation*
*resets and goes to recovery*
I was shocked. I wipe the 4 partitions again and the phone boots normally, nothing has changed (apparently).
So I put my SIMs in and go watch a movie. Then I switch it on, only to see there's no reception!!!
I wipe the partitions, and restore the first original backup... boots to recovery again...
Wipe... Boots normally... restore the 2nd original one (slightly larger, both sims)... boots to recovery...
Then I just decide to miflash a fastboot rom, maybe that will get things back to normal!
So I wipe, flash rom... IMEI and Baseband now Unknown... Yikes...
I next find an xQCN backup online for the Mi Note 10 that only has a single IMEI in it, that belongs to the 2nd sim (SIM 1 550 only, QCN View, the 1st 550 missing)
Replace it with my original and reboot, IMEI 2 and baseband is back! But no reception, even after multiple reboots...
I wipe partitions again, IMEI 2 is still there... Interesting...
I continue trouble shooting, even: wiping the partitions, restoring the original backup, flashing fastboot rom... still boots to recovery (Mi Recovery of course), setting 755 permission for modem files...
------------------------------------------------
SUMMERY:
I need to find out why the original backup keeps booting to recovery!!! Also some information about "fsc" partition would be nice, since wiping that probably started the whole issue (Is it a backup for fsg?!)
Important things I discovered:
1) Wiping modemst1 and modemst2 at the same time is enough for the phone to boot
2) The reboot to recovery (Recovery loop?) with the original backups is caused on an OS level, because one time it took so long that I even saw the lockscreen for half a second before it rebooted (no SIMcard in the phone either)
3) After hours of dorking I found 2 other similar instances that could be related:
https://forum.xda-developers.com/ze...onor-qcn-file-ze550kl-z00ld-ww-t3520647/page4 (Page 4-5)
(Normal boot using a custom rom?? Interesting... maybe Xiaomi.eu made no difference for me because it's still pretty much just MIUI)
https://www.youtube.com/watch?v=8Ym0FP4BkY0 (The bottom comment):
"We cannot repair both SIM slots.
We can only repair SIM2 slot for IMEI repairing. After IMEI repair process, SIM1 IMEI getting '0' value. When we are trying to repair both SIM slot phone is entering the Bootloop and entering the recovery mode(twrp). Thats why we are remove SIM1 IMEI from qcn file and this time we can will repair to SIM2 slot. Do you know this Problem ? What can we do to solve this problem? Thank you in advance for your help."
Regards, and many thanks... DON'T MESS WITH IMEIs!!!
Click to expand...
Click to collapse
Hi , same things happen to me.I have mi note 10 lite.
before the dealing to imei I take modemst1,modemst2,and fsg backup via dd codes.
and take qcn and xqcn backup via qpst.
And after that In fastboot commend I write
"fastboot erase modemst1"
"fastboot erase modemst2"
"fastboot erase fsg"
so my imei have gone.When I edit the qcn ( imei1 and imei2 both) and flash back to the phone. phone is going to recovery mode and nvdata is corrupted error happen.There is two possibility to the save to phone. First one you wipe-data in stock-recovery or again in fastboot mode you have to erase modemst1,modemst2,fsg.
So I erased again and open the phone.
This time I edited qcn file (only imei2,imei1 codes deleted in codes line and string) so my edited qcn only exist imei2 codes.
so I flashed back to phone and imei1 shows 0 and imei2 shows my original imei(I want to recover my original imei). and after that in the adb I flashed my stock modemst1,modemst2,fsg via dd codes and (also some secret codes and combination ) and after reboot my both imei show and start working.I dont know the reason but somehow my phone skip the security.Interesetingly .I guess phone security in the software not to hardware.
I want to check something so I tried 20 time to flash my stock backups via dd codes but it is only work 2 time whenever I tried the flash and after reboot my phone add ramdump(app 2 gb every time) files in the main stroage ( I search it,it is crash log). Interesting
Right now I search to skip security so I find some codes in build.prop
"ro.miui.restrict_imei=1" I think this one cause the problem to change imei so I try to disable it but I cant change to build.prop because in android 10 you can't mount system(rw) so cant change to build.prop.I think only solution is flashing edited system.new.dat file but I cant decompile system.dat.file so .
After Android 10 magisk root app just work in systemless way(this is not even a root not like the old time).You have root but you cant change anything with root access so in originally this is not root and it is sucks and bull****.
Do you know any rom tool for the edit system.new.dat file or how can I create new custom rom so if I success it I want to change both imei. I googled it but every tool is too old to use.
Regards..

i have problem with mi 8 no basedband unknow and restart.....no qcn write...try with UMT or QFIL not work.

Mi Note 10 losts IMEIs after factory reset
gokmenm said:
imei repair is done.
the only problem is returning to "Factory settings" and imei is deleted.
Click to expand...
Click to collapse
Good morning, yes, I'm working on a brother in law's smartphone (tucana) and I notice same issue, can it be solved?
We also bought Hydra Dongle Qualcomm Tool and Software but I'm not able to fix the IMEIs on his Mi Note 10 (tucana)

Maybe you can help me (tucana)!
37berat37 said:
Hi , same things happen to me.I have mi note 10 lite.
before the dealing to imei I take modemst1,modemst2,and fsg backup via dd codes.
and take qcn and xqcn backup via qpst.
And after that In fastboot commend I write
"fastboot erase modemst1"
"fastboot erase modemst2"
"fastboot erase fsg"
so my imei have gone.When I edit the qcn ( imei1 and imei2 both) and flash back to the phone. phone is going to recovery mode and nvdata is corrupted error happen.There is two possibility to the save to phone. First one you wipe-data in stock-recovery or again in fastboot mode you have to erase modemst1,modemst2,fsg.
So I erased again and open the phone.
This time I edited qcn file (only imei2,imei1 codes deleted in codes line and string) so my edited qcn only exist imei2 codes.
so I flashed back to phone and imei1 shows 0 and imei2 shows my original imei(I want to recover my original imei). and after that in the adb I flashed my stock modemst1,modemst2,fsg via dd codes and (also some secret codes and combination ) and after reboot my both imei show and start working.I dont know the reason but somehow my phone skip the security.Interesetingly .I guess phone security in the software not to hardware.
I want to check something so I tried 20 time to flash my stock backups via dd codes but it is only work 2 time whenever I tried the flash and after reboot my phone add ramdump(app 2 gb every time) files in the main stroage ( I search it,it is crash log). Interesting
Right now I search to skip security so I find some codes in build.prop
"ro.miui.restrict_imei=1" I think this one cause the problem to change imei so I try to disable it but I cant change to build.prop because in android 10 you can't mount system(rw) so cant change to build.prop.I think only solution is flashing edited system.new.dat file but I cant decompile system.dat.file so .
After Android 10 magisk root app just work in systemless way(this is not even a root not like the old time).You have root but you cant change anything with root access so in originally this is not root and it is sucks and bull****.
Do you know any rom tool for the edit system.new.dat file or how can I create new custom rom so if I success it I want to change both imei. I googled it but every tool is too old to use.
Regards..
Click to expand...
Click to collapse
I read all your whole post and I can suggest to try to use XiaoMiFlash.exe of 2019-12-06 (WARNING: option below must be CLEAN ALL to save your unlocked state of the Bootloader) for flashing back to Android 9 in Fastboot mode original flash (those of about 4GB) , after that you can try to edit the build.prop with some Apps that work with root / Magisk.
But please, 1st I really urgently need your 4 partitions backup (also the fsc), can you send to me?
TIA and best regards!

effesse72 said:
I read all your whole post and I can suggest to try to use XiaoMiFlash.exe of 2019-12-06 (WARNING: option below must be CLEAN ALL to save your unlocked state of the Bootloader) for flashing back to Android 9 in Fastboot mode original flash (those of about 4GB) , after that you can try to edit the build.prop with some Apps that work with root / Magisk.
But please, 1st I really urgently need your 4 partitions backup (also the fsc), can you send to me?
TIA and best regards!
Click to expand...
Click to collapse
I am using mi note 10 lite not mi note 10 so there is no android 9 for mi note 10 lite

37berat37 said:
I am using mi note 10 lite not mi note 10 so there is no android 9 for mi note 10 lite
Click to expand...
Click to collapse
Sorry, I didn't know it.
Btw, did you already try File Explorer apps with root access?

37berat37 said:
Hi , same things happen to me.I have mi note 10 lite.
before the dealing to imei I take modemst1,modemst2,and fsg backup via dd codes.
and take qcn and xqcn backup via qpst.
And after that In fastboot commend I write
"fastboot erase modemst1"
"fastboot erase modemst2"
"fastboot erase fsg"
so my imei have gone.When I edit the qcn ( imei1 and imei2 both) and flash back to the phone. phone is going to recovery mode and nvdata is corrupted error happen.There is two possibility to the save to phone. First one you wipe-data in stock-recovery or again in fastboot mode you have to erase modemst1,modemst2,fsg.
So I erased again and open the phone.
This time I edited qcn file (only imei2,imei1 codes deleted in codes line and string) so my edited qcn only exist imei2 codes.
so I flashed back to phone and imei1 shows 0 and imei2 shows my original imei(I want to recover my original imei). and after that in the adb I flashed my stock modemst1,modemst2,fsg via dd codes and (also some secret codes and combination ) and after reboot my both imei show and start working.I dont know the reason but somehow my phone skip the security.Interesetingly .I guess phone security in the software not to hardware.
I want to check something so I tried 20 time to flash my stock backups via dd codes but it is only work 2 time whenever I tried the flash and after reboot my phone add ramdump(app 2 gb every time) files in the main stroage ( I search it,it is crash log). Interesting
Right now I search to skip security so I find some codes in build.prop
"ro.miui.restrict_imei=1" I think this one cause the problem to change imei so I try to disable it but I cant change to build.prop because in android 10 you can't mount system(rw) so cant change to build.prop.I think only solution is flashing edited system.new.dat file but I cant decompile system.dat.file so .
After Android 10 magisk root app just work in systemless way(this is not even a root not like the old time).You have root but you cant change anything with root access so in originally this is not root and it is sucks and bull****.
Do you know any rom tool for the edit system.new.dat file or how can I create new custom rom so if I success it I want to change both imei. I googled it but every tool is too old to use.
Regards..
Click to expand...
Click to collapse
Thank you for posting your findings on the thread! I believe the solution for Mi Note 10 users could be flashing Android 9 and changing that build.prop line, we need someone to confirm this. I hope you discover a fix for your phone as well, please write a step by step guide if so. Good luck!

Question NO İMEİ AND NO WİFİ PLSS HELP

I was trying to repair my imei and I deleted efs . when I try to repair my qcn , it says succesful but there is no imei and wifi. PLS HELP ME

boy2121 said:
I was trying to repair my imei and I deleted efs . when I try to repair my qcn , it says succesful but there is no imei and wifi. PLS HELP ME
Click to expand...
Click to collapse
Try flash fastboot rom

bienvanhoang said:
Try flash fastboot rom
Click to expand...
Click to collapse
I tried still same

The easiest way is Xiaomi customer service.
First check if your Xiaomi customer service has warrant coverage after bootloader unlock. (Some country does, some does not.) [ie. warrant the physical device; rom state or bootloader doesn't matter]

boy2121 said:
I was trying to repair my imei and I deleted efs . when I try to repair my qcn , it says succesful but there is no imei and wifi. PLS HELP ME
Click to expand...
Click to collapse
you wont be able to restore qcn even if you have unmodified qcn. newest 2021 xiaomi devices got RSA on both sim1 and sim2 modems. qfil will write it but after reboot it will be back to stock so you need your EFS.

gsser said:
you wont be able to restore qcn even if you have unmodified qcn. newest 2021 xiaomi devices got RSA on both sim1 and sim2 modems. qfil will write it but after reboot it will be back to stock so you need your EFS.
Click to expand...
Click to collapse
I have my qcn backup cant I do something with that?

gsser said:
you wont be able to restore qcn even if you have unmodified qcn. newest 2021 xiaomi devices got RSA on both sim1 and sim2 modems. qfil will write it but after reboot it will be back to stock so you need your EFS.
Click to expand...
Click to collapse
sorry if n00b question: so is a EFS backup crucial for IMEI restore?

gsser said:
you wont be able to restore qcn even if you have unmodified qcn. newest 2021 xiaomi devices got RSA on both sim1 and sim2 modems. qfil will write it but after reboot it will be back to stock so you need your EFS.
Click to expand...
Click to collapse
what if I restore someon elses efs backup?

ChriMo said:
sorry if n00b question: so is a EFS backup crucial for IMEI restore?
Click to expand...
Click to collapse
qcn contains efs. efs contains carrier stuff + imei stuff.
basically you cant overwrite a qcn but dont know about efs.

boy2121 said:
what if I restore someon elses efs backup?
Click to expand...
Click to collapse
might work but you need to find someone who is willingly wanting to give you his/her efs...

pl1992aw said:
The easiest way is Xiaomi customer service.
First check if your Xiaomi customer service has warrant coverage after bootloader unlock. (Some country does, some does not.) [ie. warrant the physical device; rom state or bootloader doesn't matter]
Click to expand...
Click to collapse
No one customer service provides free of charge repair if you loss IMEI.

bartito said:
No one customer service provides free of charge repair if you loss IMEI.
Click to expand...
Click to collapse
Yeah did told them to check, but didn't say it will be free of charge. But Xiaomi definitely will repair it or change one for you.
Even if you find someone on the net, many will charge you some dollars. And you don't even know if they actually can fix it or just a scam.
Unless there's some way to bypass, or an exploit to make EDL work, for general user, Xiaomi customer service is better and safer.

boy2121 said:
I was trying to repair my imei and I deleted efs . when I try to repair my qcn , it says succesful but there is no imei and wifi. PLS HELP ME
Click to expand...
Click to collapse
I did the same mistake unfortunately. Did you find any solution?

johnkabou said:
I did the same mistake unfortunately. Did you find any solution?
Click to expand...
Click to collapse
need to reflash imei and rewrite it
CHEERS

Download - SN Write Tool
snwritetool.com
you can try this tool.. I used it long ago helped me then.
Cheers

Question Repair ROG Phone 5 ZS673KS through edl firmware, no need to unlock Bootloader to modify COUNTRY CN to WW

These materials can only be used for ROG Phone 5_ZS673KS, and ROG Phone 5S_ZS676KS cannot be used.
ROG Phone 5S ZS676KS Please see here:https://forum.xda-developers.com/t/...ootloader-to-modify-country-cn-to-ww.4353339/
If your ROG Phone 5 ZS673KS only has edl mode (port 9008), then this tool can help you repair your phone through edl mode.
Or if you want to modify COUNTRY, flash the firmware of WW, you don't need to apply to unlock the Bootloader,
you don't need ROOT, just follow me.
1.Connect the phone to the computer through the USB port on the left, enter the fastboot mode,
and then open "Reboot-to-edl.bat" to enter the edl mode. Or enter fastboot oem enter-dload in cmd.
2.You must flash in the ENG firmware that I modified. If you find the firmware online,
you may lose your fingerprint and IMEI after flashing.
Method 1: The phone enters edl mode, and when you see port 9008 in the device manager,
open the ENG folder--open "0-update_image_EDL.bat"
Method 2: The phone enters edl mode, and after you see port 9008 in the device manager, use the XiaoMiFlash tool to flash in.
Method 3: The phone enters edl mode, and after you see port 9008 in the device manager,flash in through the QPST tool.
3.After flashing in the firmware and successfully booting up, be sure to back up your phone partition files. If your phone's fingerprint is lost or IMEI is lost,
it can be restored to normal. If you don't have a backup, it will be very troublesome.
Double-click to open "Backup.bat", it will automatically back up your phone partition files, you need to save these files, follow-up will definitely help you.
Include these Eight files：“persist.img factory.img modemst1 modemst2 asuskey4 fsg fsgCA fsc”
Normally, you don’t need to restore these files. If your fingerprint or imei is lost and you need to restore these files to your phone,
please flash the ENG firmware, then put these Eight files into the ROG 5 folder, and double-click to open " Restore.bat" can be restored to your phone.
4.If your machine is an global version, after backing up and saving Eight files, directly enter the fastboot mode, open the WW folder-open "flash_raw_and_wipe_data.cmd" to flash the WW firmware,
and successfully repair your ROG 5.
If you cannot flash the firmware in fastboot mode, the prompt: fastboot error CID () Mapping wrong Xrom!
You can Double click to open"Open-Cmd.bat",Then enter the commands, enter fastboot -v flash all xx.raw
xx.raw is the firmware on your computer, for example: fastboot -v flash all C:\Users\johnny\Desktop\ROG5\WW\WW_ZS673KS_18.0810.2101.95_M2.13.24.9-ASUS_1.1.46_Phone-user.raw
ASUS:
version display asus fastboot version and list support project.
-v flash all : disable asus raw id checking.
-g flash all : disable repartition.
-C flash all : disable CRC_<partition>.
If your machine is the CN version, and you want to flash into the WW Firmware, but don’t want to unlock the BootLoader, you can use WinHex to open the persist.img you just backed up,
find COUNTRY, change CN to WW and save it, and you can directly restore it to your phone through the dd command Inside, there is no need to unlock or install magisk.
Double click to open"Open-Cmd.bat",Then enter the commands one by one
adb push persist.img /sdcard/
adb shell
su
dd if=/sdcard/persist.img of=/dev/block/bootdevice/by-name/persist
Then enter the fastboot mode, open the WW folder-open "flash_raw_and_wipe_data.cmd" to flash the WW firmware.
File Downlaod Link：https://drive.google.com/file/d/1SyvQTp4lNw9-54k12EPOooQjdvSuCLyk/view?usp=sharing
YouTube:
I have also studied Hardwaresub Services for a long time, ROG1/ROG2/ROG3 only need to modify COUNTRY, CN to WW, and then flash into the global version,
there will be no such prompt. In addition to modifying COUNTRY, ROG 5 also needs to modify asuskey4.
In this partition, clear the imei, then there is no prompt. But I can’t do anything with ROG 5S.
This machine verifies modemst1 and modemst2. I tried it for a long time, but I couldn’t get rid of the prompt except for the whitelist.
If your ROG3/ROG5/ROG5S is the CN version, but you have flashed the WW firmware, you cannot unlock the Bootloader, or you are prompted to unlock successfully, but the Bootloader is still not unlocked after restarting, you can write the correct SSN and ISN of the phone Go to asuskey4, then restore to the phone partition, and then use the official unlocking tool to unlock it.

Nice job putting together what james(whatever) abused the community to accomplish and never cared enough to document for anyone else.
Might want to change the label to "How to Guide" instead of "Question" (contrary to most that label a question as a guide) and consider rewording the title a bit, though. It reads "convert your phone if you are stuck in EDL", but "restore from EDL or convert without unlocking bootloader" is what you explain and that's a much larger audience.

@johnny886 tnx for ur complete tutorial
can u make tutorial video with phone for convert to ww. im noob about asus and many user want convert but worried about brick phone or lose fingerprint and imei
and after convert we able manual update phone ?

special thanks . I followed your instructions to change CN to WW and success with no error, even fingerprint , amazing! Just one problem still exist is The Hardwarestub warning : how could we deal with it beside disable this app ?
For PC not show EDL device in Device manager --> Change OEM cable , some cable just have 4 wire , not enough for fastboot.
For PC show EDL devices but with yellow caution . Use driver below . still now show 9008 port --> change different usb port (3.0, 2.0...)

Can Someone Pease Help me To Restore My Imei & Fingerprint ..???

yaser86100 said:
@johnny886 tnx for ur complete tutorial
can u make tutorial video with phone for convert to ww. im noob about asus and many user want convert but worried about brick phone or lose fingerprint and imei
and after convert we able manual update phone ?
Click to expand...
Click to collapse
IMEI and Fingerprint work with no error, afterall you have to update manually(copy new FW to your root storage) , OTA will not work. His instruction very clear even for newbie . just need to read carefully

sherks said:
IMEI and Fingerprint work with no error, afterall you have to update manually(copy new FW to your root storage) , OTA will not work. His instruction very clear even for newbie . just need to read carefully
Click to expand...
Click to collapse
i know
cz in my region i can't find asus service center i worried i do some mistake and my phone get brick or something like that

yaser86100 said:
i know
cz in my region i can't find asus service center i worried i do some mistake and my phone get brick or something like that
Click to expand...
Click to collapse
Then i think you should stop right here . In his video about 5s also very clear. 5 is the same

Can Someone Plz Reply Me The Solutions ..??
3rehaan said:
Can Someone Pease Help me To Restore My Imei & Fingerprint ..???
Click to expand...
Click to collapse

3rehaan said:
Can Someone Plz Reply Me The Solutions ..??
Click to expand...
Click to collapse
Do you have cell signal? I can help you to get cell signal working so it'll function as a phone. Can't fix IMEI and fingerprint though. Just baseband and cell signal (LTE/call/SMS/MMS...)

bigbang1108 said:
Do you have cell signal? I can help you to get cell signal working so it'll function as a phone. Can't fix IMEI and fingerprint though. Just baseband and cell signal (LTE/call/SMS/MMS...)
Click to expand...
Click to collapse
No Cell Signal Also ..!

3rehaan said:
No Cell Signal Also ..!
Click to expand...
Click to collapse
Do you have a backup of your phone serial number?

Jamshid66 said:
Do you have a backup of your phone serial number?
Click to expand...
Click to collapse
No Sir I Don't Have Backup ..!

Jamshid66 said:
Do you have a backup of your phone serial number?
Click to expand...
Click to collapse
Can You Help Me ..??

3rehaan said:
Can You Help Me ..??
Click to expand...
Click to collapse
Look at the box. It's on there.

twistedumbrella said:
Look at the box. It's on there.
Click to expand...
Click to collapse
Can You Explain Please Where is The Box ..??
I Want to Restore My Imei & Fingerprint

twistedumbrella said:
Look at the box. It's on there.
Click to expand...
Click to collapse
Can Anybody Explain This I'm Newbie I can't understand what He Say
What is Tha Box & Where Is It ..??

3rehaan said:
Can Anybody Explain This I'm Newbie I can't understand what He Say
What is Tha Box & Where Is It ..??
Click to expand...
Click to collapse
The cardboard container you took your phone out of when it arrived.

twistedumbrella said:
The cardboard container you took your phone out of when it arrived.
Click to expand...
Click to collapse
I Haven't The Cardboard Container ..!

3rehaan said:
I Haven't The Cardboard Container ..!
Click to expand...
Click to collapse
I don't knowv that anyone can help you. If you wiped your IMEI, didn't record it anywhere, and purchased the phone without a box... There is no way to restore an unknown number.

How To Guide BEFORE converting your device, RECORD YOUR IMEI!

There have been a lot of reports by those attempting to convert from CN to WW that they missed a step and wiped their IMEI.
Somehow, the same users have no box or stickers that tell them their old IMEI. Write down your IMEI before you flash anything.
Settings -> System -> About phone -> Status -> IMEI information

twistedumbrella said:
There have been a lot of reports by those attempting to convert from CN to WW that they missed a step and wiped their IMEI.
Somehow, the same users have no box or stickers that tell them their old IMEI. Write down your IMEI before you flash anything.
Settings -> System -> About phone -> Status -> IMEI information
Click to expand...
Click to collapse
Rog 5 not write imei. I restore qcn and imei=0 , but signal ,data, sms working

Greetings please help me out with this I am buying Rog 5 from an acquaintance it has same null imei error but the phone has its box meaning I'll have the imei and serial but there is no backup now I recall with Samsung an efs backup could have sorted the issue out and that was the only way not sure how it is with ROG's can I repair the IMEI by any means without backup?

Repair ROG Phone 5 ZS673KS through edl firmware, no need to unlock Bootloader to modify COUNTRY CN to WW
These materials can only be used for ROG Phone 5_ZS673KS, and ROG Phone 5S_ZS676KS cannot be used. ROG Phone 5S ZS676KS Please see...
forum.xda-developers.com

@twistedumbrella
Hi! I have a Tencent ROG5 with WW ROM. (Do have the box it came in)
I was trying to unlock my boot loader and was able to successfully do it following this tutorial:
Repair ROG Phone 5 ZS673KS through edl firmware, no need to unlock Bootloader to modify COUNTRY CN to WW
These materials can only be used for ROG Phone 5_ZS673KS, and ROG Phone 5S_ZS676KS cannot be used. ROG Phone 5S ZS676KS Please see...
forum.xda-developers.com
However, after flashing the WW firmware, I lost my IMEI. Shows as zero in settings. No signals etc also. Tried flashing the raw firmware from the tutorial again but to no avail. Forgot to backup my persist and modemst etc files. So, is there a way I can have my IMEI back. I tried tons of online tutorials to restore IMEI via QCN. Also I was lucky to get the stock QCN from another ROG 5 of a friend. Followed this tutorial for it:
[GUIDE] Backup, edit and restore QCN. Fixing lost IMEI.
Introduction This is a guide to backup and restore the QCN, and to edit other's QCN in case you lost your IMEI and you don't have a backup of your QCN. There are other ways to do some steps (the most popular is via Fastboot) but I'm gonna...
forum.xda-developers.com
It all goes as planned except for the last part where during qcn restore, It goes till like 3% and then phone auto reboots and shows a RAM DUMP screen from which I have to Force reboot and start. After reboot, The IMEI's still are 0. Any help would be much appreciated. I can see that there are many other people in the forum too having the same nulled IMEI ROGs. So, any halp as to restore them would be highly appreciated.

mhrs_1193 said:
@twistedumbrella
Hi! I have a Tencent ROG5 with WW ROM. (Do have the box it came in)
I was trying to unlock my boot loader and was able to successfully do it following this tutorial:
Repair ROG Phone 5 ZS673KS through edl firmware, no need to unlock Bootloader to modify COUNTRY CN to WW
These materials can only be used for ROG Phone 5_ZS673KS, and ROG Phone 5S_ZS676KS cannot be used. ROG Phone 5S ZS676KS Please see...
forum.xda-developers.com
However, after flashing the WW firmware, I lost my IMEI. Shows as zero in settings. No signals etc also. Tried flashing the raw firmware from the tutorial again but to no avail. Forgot to backup my persist and modemst etc files. So, is there a way I can have my IMEI back. I tried tons of online tutorials to restore IMEI via QCN. Also I was lucky to get the stock QCN from another ROG 5 of a friend. Followed this tutorial for it:
[GUIDE] Backup, edit and restore QCN. Fixing lost IMEI.
Introduction This is a guide to backup and restore the QCN, and to edit other's QCN in case you lost your IMEI and you don't have a backup of your QCN. There are other ways to do some steps (the most popular is via Fastboot) but I'm gonna...
forum.xda-developers.com
It all goes as planned except for the last part where during qcn restore, It goes till like 3% and then phone auto reboots and shows a RAM DUMP screen from which I have to Force reboot and start. After reboot, The IMEI's still are 0. Any help would be much appreciated. I can see that there are many other people in the forum too having the same nulled IMEI ROGs. So, any halp as to restore them would be highly appreciated.
Click to expand...
Click to collapse
There are guides for how to fix it, but they're not mine. That's why I haven't responded to any of the posts.

twistedumbrella said:
There are guides for how to fix it, but they're not mine. That's why I haven't responded to any of the posts.
Click to expand...
Click to collapse
Can you post a link to any. Among the entire ROG forum I havent found any.

100% successfully unlock the Bootloader of your ROG Phone5/5s
Success is disgusted by some people, and will not share any files for free in the future.
forum.xda-developers.com

twistedumbrella said:
Repair ROG Phone 5 ZS673KS through edl firmware, no need to unlock Bootloader to modify COUNTRY CN to WW
These materials can only be used for ROG Phone 5_ZS673KS, and ROG Phone 5S_ZS676KS cannot be used. ROG Phone 5S ZS676KS Please see...
forum.xda-developers.com
Click to expand...
Click to collapse
sorry i have a asus rog5 not 5s i lost the imei and the isn and cid all of them its not showing on bootlaoder screen so i need the asuskey4 and other partition like modemst1 and modemst2 can yoy ?

twistedumbrella said:
100% successfully unlock the Bootloader of your ROG Phone5/5s
Success is disgusted by some people, and will not share any files for free in the future.
forum.xda-developers.com
Click to expand...
Click to collapse
persist.img factory.img modemst1 modemst2 asuskey4 fsg fsgCA fsc fsgCA2 fsgCA3 this files please do you have asus rog5 if you please i need this file to edit them and restore them to my device

yousef_syr said:
sorry i have a asus rog5 not 5s i lost the imei and the isn and cid all of them its not showing on bootlaoder screen so i need the asuskey4 and other partition like modemst1 and modemst2 can yoy ?
Click to expand...
Click to collapse
yousef_syr said:
persist.img factory.img modemst1 modemst2 asuskey4 fsg fsgCA fsc fsgCA2 fsgCA3 this files please do you have asus rog5 if you please i need this file to edit them and restore them to my device
Click to expand...
Click to collapse
This thread was warning you to record the IMEI BEFORE you start flashing. After it's wiped out, you will need one of the threads on how to restore it. I don't have the phone anymore, but you can't simply flash someone else's IMEI. You need to restore yours.

twistedumbrella said:
This thread was warning you to record the IMEI BEFORE you start flashing. After it's wiped out, you will need one of the threads on how to restore it. I don't have the phone anymore, but you can't simply flash someone else's IMEI. You need to restore yours.
Click to expand...
Click to collapse
i have the imei but i need the asuskey4 to edit and put my imei inside it so i need the files

yousef_syr said:
i have the imei but i need the asuskey4 to edit and put my imei inside it so i need the files
Click to expand...
Click to collapse
Most of the files were available around the time this thread was posted, so it's likely there are still versions of them floating around.