Originally Posted by dykhatri
Bro I just want to back it up for IMEI and other important file that it stores. So just want to take back up now but in root exploere in root part I am not seeing any folder name ESF.
I have never seen EFS folder in magnus. If m not wrong it is present in samsung firmware. And if you want to take backup do a cwm backup that will contain everything. In that backup you can find IMEI in this locations
If want to bacjup imei separately use Mobile uncle tools
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