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[Q] my imei null/null in s4 i9505

i have mobile s4 i9505
the imei is unknown and baseband is unknown and i tried orignal rom and box z3x But without usefulness
and yestrday i tried efs folder Of note 2 then my mobile work to 5 mintue and returned as it was I think I need efs folder for s4 i9505
plz help me and thanks>>....
how i can fix it ???!!

:crying::crying::crying::crying:
a7medref3at said:
i have mobile s4 i9505
the imei is unknown and baseband is unknown and i tried orignal rom and box z3x But without usefulness
and yestrday i tried efs folder Of note 2 then my mobile work to 5 mintue and returned as it was I think I need efs folder for s4 i9505
plz help me and thanks>>....
how i can fix it ???!!
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AND BASEVAND BECAME -- TEST 1
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