Lost IMEI UMI Super - UMi Super Questions & Answers

Hello everyone. I have a problem, so when i try to flash cm13 from twrp phone got hard brick. I try to flash stock, but my SPFT was too old version. My phone was completly bricked. Idk why, i do format everything, and i flash firmare from newest version on SPFT. Smartphone working pretty good, but i get lost IMEI! I have no sticker with imei on my box, can i do anything?

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[Q] Help with generic EFS/IMEI S4-i9500

Hello, I was about to take my phone to a service center for check an weird noise, but since I was using CM11 with chinese modem, I decided to flash stock rom.
I'm on the old bootloader, I flashed I9500ZTOBMG1 but when I try to make a call it shows "not registered in network". I checked my imei with *#06# and it shows a generic IMEI starting with 0049...
I have already tried to reflash stock rom via odin, reflash stock modem via odin, restore to last CM backup, but problem still.
I DO have a EFS backup, it's a .tar and a .tar2.gz inside a folder called EFSProBackup, but I don't know how to use it or even how to restore my IMEI. I had already this problem before, but I don't know what I did to resolve. Can someone help me?
Problem solved: I flashed again the chinese modem via cwm after flashing a custom rom, I don't know why, but my imei is back again and working, But I still don't know how to have stock rom working....

[urgent] G900P, needed proper bootloader for Nougat, thank you!

Hi mates, thank you!
Briefly the story is that I bought an import S5 G900P with LL 5.0, I updated bootloader to MM and flashed MM, works without baseband, flashed stock 5.0 OK4 (G900PVPU3BOK4_G900PSPT3BOK4_G900PVPU3BOK4_HOME.tar.md5) and baseband (network signal call+data+sms) worked, then I flashed over it the Ressurection Remix 5.8.5, baseband worked but after 3-4 hours I got a hard brick with black screen. Somehow I booted in download mode and flashed again succesfully the Stock LL5.0 but screen keeps black.
I'm with a new phone (under warranty, next day after bought, they kindly replaceded it) with LL5.0, I'm afraid to flash over it the TWRP+RR5.8.5 and get a new brick, can someone expert please suggest me a bootloader which can be considered safe?
Thank you!
solved with some pain, needed to pit the phone and flash the stock MM, then boot to check the baseband, then flash twrp and RR+gapps. All info here:
https://forum.xda-developers.com/sprint-galaxy-s5/development/rom-t3698397
cheers

IMEI number lost after flashing ROM (no backup)

I know there might be another similar topic but I couldn't find any help so far.
Basically two days ago I flashed custom ROM on my phone, I didn't make any backup. At first it worked perfectly. I decided to flash ROM again and formated my phone and found out that EFS partition was lost. I didn't get any mobile data and my IMEI number was lost (0000000). I've read that IMEI is actually stored on some chip so is there any way to restore it back? My phone is Samsung Galaxy A5 2017. Any help will be appreciated.
Trying to flash latest stock rom from sammobile but after flashing it with odin it starts bootlooping and saying "no command" again and again. When holding power + home + volume up I can NOT access recovery. Any solutions, please?
Anyone? Is there any solutions for my problem??
Is it possible to downlaod EFS file for my phone and somehow change IMEI in the file?
just flash stock rom, i did on my galaxy ace i flashed custom rom and imei gone, after stock flashed via odin imei back.
Thanks for your answer! I tried indeed flashing latest stock rom from sammobile with latest odin. But when I bootet phone up it said "no command" with dead android logo and kept bootlooping. I can try different version of rom, maybe it helps.
Still my problem is unsolved. Any clues what to do would be great.
You probably flashed a wrong firmware which is not for your variant.
Can you remove your battery? If so remove it and put it back and enter download mode by pressing volume down,power and home button. Afterwards, find the firmware which is for the specific variant of the phone. Only get the "HOME_CSC" version or else you will lose all you data. In odin, if it says added, flash the stock firmware and see if it boots to the system. If you could give me your variant, I could help and give you an even more detailed guide.

Combination for lastest update

hello, not sure if this is possible but needing to fix my efs partition as its corrupt, wrong serial and no imei number just 000's, i had a problem and updated my phone to the lastest stock firmware. Recently put custom rom back on. If any can help that would be great, thanks
You can't.. without matching binary combination rom and efs backup. Sadly, latest combination roms aren't available for s7 series.

IMEI lost after flashing custom rom

Hi, I flashed a custom rom and noticed my imei was unknown, and it says no sim - emergency calls only. I was dumb and didnt make a backup. Is there any way to restore my imei? I tried flashing a different rom and it didnt work.
Gingerninja701 said:
Hi, I flashed a custom rom and noticed my imei was unknown, and it says no sim - emergency calls only. I was dumb and didnt make a backup. Is there any way to restore my imei? I tried flashing a different rom and it didnt work.
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Try flashing stock filmware with Odin, this has fixed it for me in the past. Just bare in mind that you can't flash older filmware than what is already on the phone so you are probably best to flash the latest.

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