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Factory ROMs don't contain the nvram partition. A backup can be created with a custom recovery. However, since the fingerprint settings and app are existing at you, I don't think this is an nvram issue. It might be an accidental coincidence of unknown preferences in some devices. Try to run the fingerprint setup without SIM card and memory card installed in your phone and the system language set to be US English. If the fingerprint settings works properly with the latter update, maybe that would be wiser to skip the current one and wait for the next one. I haven't changed anything in the new ROM, of course. 
I still haven't got a feedback from the engineers about the antenna configuration. It seems all antennas are integrated (the bottom panel is not used), except the GSM antenna, that stands for the 1-2 antenna pins from the right. That's linked by the coaxial cable, not through the center ribbon cable of the bottom PCB. |
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