Samsung UE65NU8002 led strip (re)placement guideI can not find a backlight led strip replacement process anywhere on internet. The backlight of my TV is not homogeneous,...
Answer to "How to drain completely very bad calibrated battery?"Theoretically, the powermanagment should not work in DFU mode (get into DFU mode and do not charge) But the problem as described may not be due to poor calibration. It may be a faulty battery. Reconnecting charging to a fully discharged iPhone may take a long time before something show on display. You have to be patient.