J710f Efs File -
After reboot, dial *#06# to confirm your IMEI is back. If the issue persists, you might need to also restore the modem partition (modem.bin or NON-HLOS.bin).
If you plan to experiment with custom ROMs (LineageOS, crDroid) on the J710F, always keep a known-good EFS backup (PC + USB stick + cloud). And before flashing anything new: j710f efs file
Put the phone in Download Mode -> Open Odin -> Put the EFS file in the slot -> Start. After reboot, dial *#06# to confirm your IMEI is back
You check the settings, and where your unique IMEI number should be, there is only a generic "00000000000" or, even worse, "Unknown." The Soul in the Machine: What is EFS? EFS (Encrypting File System) And before flashing anything new: Put the phone
You cannot flash a file from Binary 1 onto a device with Binary 6.
No. Network unlock is stored in the EFS but encrypted with your IMEI. Unlocking requires an official code or a tool like SamFW FRP Tool, not another phone’s EFS.