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[DISCUSSION] How to write and recover the IMEI for SLOT 1 and SLOT 2 in MERLIN ? (Redmi Note 9 / Redmi 10X 4G)

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Rlucifer.01

Member
Sep 6, 2021
20
1

WARNINGS:

- Possible risk of data loss ! Backup your files and contents !
- NO dongle and NO box is required.
- NEVER try to flash in "format all" mode ! Otherwise, you will LOSE all secure and identifying infos for your device. Like IMEI.

- Keep your backup files safe and secure ! If you can, encrypt them.
- Never try to share your backups or your security and privacy will be compromised.
- USE AT YOUR OWN RISK. I AM NOT RESPONSIBLE FOR YOUR ACTIONS.


As we all know, we can not restore the IMEI for SLOT1.
But as we are already tired of seeing, every day are several people with this same problem.
So we are opening this thread to discuss possibilities for how to recover the IMEI for SLOT1 too.
If you have any idea or discovered something, share with us so we can discover new possibilities, methods and solutions.


Possible Method # 1:​

This method was released by HALABTECH. This method was tested by @jasmin811 ♥️
The idea is simple. Flash the ENGINEERING ROM, write the IMEI in META MODE and then flash the CUSTOM ROM: PixelPlusUI or PixelExperience.
Steps:
#1. Flash the ENGINEERING ROM:
#2. Enter in META MODE and write the IMEI for both slots (SLOT1 and SLOT2):
#3. Backup the partition NVDATA:
#4. Flash the CUSTOM ROM:
PixelPlusUI: https://forum.xda-developers.com/t/...ui-for-redmi-note-9-merlin-merlinnfc.4254885/
PixelExperience: https://forum.xda-developers.com/t/...-redmi-note-9-redmi-10x-4g-aosp-beta.4236913/
#5. Restore the partition NVDATA.
#6. Flash the version AL2522-Merlin-V039-Q-0513 of the partition MD1IMG:
#7. Boot to the system and then reboot.
Done.



:unsure: Do you need help with your MERLIN device ?
Read this FAQ: https://forum.xda-developers.com/t/...for-merlin-redmi-note-9-redmi-10x-4g.4225163/
Since its based on android 10 miui, how if i restore backup files into android 11 miui, is this will work?
 

Rlucifer.01

Member
Sep 6, 2021
20
1
I had nvram warning in wifi this device ,some times its annoying , am i need to go back using eng rom for make new nvdata to fix it?
 

Rlucifer.01

Member
Sep 6, 2021
20
1
Okey thanks man,i'll go back up my userdata and other i dont want lose all my data then flash eng rom to re write imei and mac wifi
 

sakis0547

New member
Feb 6, 2012
1
0
i have a redmi note 9 (merlin) with locked bootloader.i have lost the imei .i want to unlock the bootloader but in the program say to connect the mobile phone to my mi account .i go to developer option to connect it but it need the sim card to connect to mobile data,but without imei the sim is not working.....
 

VD171

Senior Member
Jun 21, 2012
2,044
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Samsung Galaxy J7
i have a redmi note 9 (merlin) with locked bootloader.i have lost the imei .i want to unlock the bootloader but in the program say to connect the mobile phone to my mi account .i go to developer option to connect it but it need the sim card to connect to mobile data,but without imei the sim is not working.....
You need to recover IMEI first and then unlock bootloader.
Once you unlock bootloader, you can backup the unlocked bootloader:
 
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