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weird thing is that when booting to recovery, it says "E: ensure_path_unmounted failed to unmount /efs (device or resource busy)"
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Regarding that efs mount message on Recovery, it appeared since G950U / G955U BL2(Bootloader Rev.2), But it just fees warning, Not affect to catch signal.
Because I have G950U ATT and this device also display same warning message on recovery.
But it worked like a charm.
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Originally Posted by mgourgios  in factory binary it does not get signal again, it says rf cal none in sw info, and z3x does not let me unlock it in that mode.
*#12580*369# does not work in factory firmware.
is there a way to repair this rf cal thing?
i am reading that erasing efs in factory and restoring with original imei does the job, but i am not sure how to do this or if it is dangerous.
thank you for your interest!  |
I have only knowledge of IMEI(EFS) repair, which flash Combination binary then Dial *#06#. This method introduced from XDA titled with
"[GUIDE] How to fix IMEI / DRK issues " <== Google keyword
I hope to find out also how to restore RF cal (Calibration) data.
Who knows restore RF Cal data without knox tripped?