Efs☆imei☆backup app for android description: root required samsung devices only this application let you save a backup of your efs (imei) partition (if exists) on any device running android 3+ this help you to keep your imei safe from getting corrupted after any bad rom flashing issues this is a common issue with samsung devices if somehow you lost your imei you won 39 t be able to get registered and connected to any mobile network.
This app let you backup all related efs (imei) partitions: efs modem radio...
Internal and external sdcard are supported for saved backups.
It 39 s aimed to support all android devices running android 3+.
This app support 3 backup formats: stock image copy (img) tar archived image (no compression) compressed gz image (small size)i appreciate any suggestions.
Email me if you get any issues with this app.