If you'd like, I can provide links to specific flashing tools or guide you on how to make an EFS backup using TWRP.
An interruption during a system update.
Before diving into solutions, it helps to confirm you actually have an IMEI problem. Here are the typical symptoms:
Cellular parameters reside inside specialized, protected storage blocks known as the EFS (Encrypting File System) and NVRAM (Non-Volatile Random-Access Memory) partitions. Common Causes of IMEI Corruption motorola one action imei repair
If you have a full backup (from TWRP) of your original persist.img , you can restore it:
Motorola provides an official desktop tool that can repair your phone’s software. This is often the safest first step for software corruption.
On many Motorola phones, the persist partition stores critical device-unique data, including the IMEI, Wi-Fi, and Bluetooth MAC addresses. If this partition gets corrupted, you may lose your IMEI. If you'd like, I can provide links to
Blacklisting stolen devices to prevent them from accessing cellular networks.
If you are stuck on a specific step of the repair process, I can give you more targeted instructions if you let me know:
Once the process is complete, open your phone app and dial: *#06# Here are the typical symptoms: Cellular parameters reside
Always make a (including EFS) before flashing custom ROMs or rooting.
Improperly flashing a ROM or unlocking the bootloader.
A: Almost never. A factory reset wipes user data (apps, accounts) but does not touch the protected partitions where IMEI data is stored. If those partitions are corrupted, a reset won’t help.
To write directly to the Exynos storage blocks when the software is damaged, you may need to short two specific test points on the phone's motherboard to force the device into Samsung/Exynos Download mode, or use an authentic authorized service account via ADB.
When the EFS partition is completely blank, standard Android tools cannot rebuild it. Technicians utilize professional service software (such as SigmaKey, UMT, or Hydra Tool) that supports the Exynos 9609 platform.