N7102 | Efs File !!exclusive!!

Because this data is unique, the is essentially a backup of this specific partition. If this partition gets corrupted or wiped, your phone loses its identity. The baseband processor (the radio) cannot communicate with the carrier network because it doesn't know "who" it is.

If any of these are missing or corrupted, the baseband processor fails to initialize. That is why , not just copy files via root explorer.

You can create a generic nv_data.bin from another N7102, then hex-edit IMEI1 and IMEI2 positions (offsets vary by firmware). Then recalculate the MD5 checksum. This is risky but possible. n7102 efs file

: Critical radio communication parameters that allow your phone to talk to cell towers. Common Issues and Symptoms

Remember: Your IMEI is unique to your phone. Backup your n7102 efs file before it’s too late. Because this data is unique, the is essentially

Then reboot twice.

no calls, no mobile data, and a phone that fails to register on any network. If any of these are missing or corrupted,

su dd if=/sdcard/efs_n7102_backup.img of=/dev/block/mmcblk0p3 reboot

Rooting methods that involve exploiting the bootloader or kernel can sometimes corrupt the partition table if the process is interrupted or if the rooting script is buggy.