EFS - Embeded File System

EFS - Embeded File System
A partition on your internal memory containing important data including the IMEI. If the data in this partition gets corrupt, you will lose your IMEI


IMEI GO TO 0049*** or 0000
meanS your real IMEI is not readable,because it is corrupt EFS

HOW TO CORRUPT IMEI
WHEN EVER YOU FLASHED ROM VIA CUSTOM RECOVERY OR ODIN CORRUPTED EFS PARTITION ALSO LOST IMEI

WHEN IMEI GO TO NULL AND BASE BAND IS UNKNOWN
PUT THE PHONE DOWNLOAD MODE,SELECT EFS THEN FLASH IT
IF SOFTWARE DEFECT IMEI COME TO 004499 CONDITION
JUST REBUILD IMEI
YOUR PHONE IMEI AND BASE BAND IS PERFECT NO NEED TO SELECT EFS FILE WHILE FLASHING

NOTE
IMEI NULL AND BASE BAND UNKNOWN NOT A 100%SOFTWARE DEFECT
WHEN RF IC DAMAGED PHONE SHOW THIS SAME PROBLEMS.AFTER WRITE EFS FILE IMEI CANT ENTER 004499 PROBLEM GO TO HARDWARE