How to Backup / Restore EFS Partition [IMEI] for Samsung Galaxy Devices - YouTube

How to backup & restore EFS partition [IMEI] for Samsung galaxy S1/S2/S3/S4 Note 1/2 Tab 1/2 .... by GalaxySIM Unlock App Its recommended for users who like to root, flash, downgrade or install custom rom to make a backup for the EFS partition of their de

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