J710f Efs File <2026 Update>

If you have a valid backup, restoration is straightforward:

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). j710f efs file

No. Factory reset only wipes data and cache. EFS remains untouched. If you have a valid backup, restoration is straightforward:

A user rooted his J710F with an outdated version of Magisk (v18). After a reboot, the phone showed "IMEI: Null." The baseband was unknown. Since he had no EFS backup, he tried flashing five different stock ROMs – all failed. After reboot, dial *#06# to confirm your IMEI is back

Finally, using a Z3X Samsung Tool (v28.5), he entered "Repair IMEI" mode, typed his original IMEI (found under the battery), and the tool rebuilt a brand new EFS partition. The phone was fully functional in 10 minutes.

Lesson: Always keep a J710F EFS backup, but also know that professional repair is possible without one.

Some custom ROMs for J710F use outdated vendor blobs that override EFS permissions. Always backup before switching ROMs.