1. ammarmalik2011's Avatar
    This is the second time it's happened to me on Lumia 920. I went to sleep with around 95% battery, woke up with ~55-60% (abnormal amount of drain). Restarted the phone, and the battery shows 86%. What happened?
    02-18-2013 01:42 AM
  2. yetanotherguy's Avatar
    Have had this happen a number of times (other times on restarting I have had it diminish as well)... seem to be a calibration issue.... some people mention letting the battery completely drain out once and charging it full again.... but not sure if that will help...
    02-18-2013 01:59 AM
  3. taurgis's Avatar
    Letting the battery drain completely, restarting the Phone again without charging and letting it drain completely again will solve it for the most part. Its still not 100% correct but for me the difference is now about 4% while it was 20% at the start.
    02-18-2013 07:49 AM
  4. ammarmalik2011's Avatar
    Letting the battery drain completely, restarting the Phone again without charging and letting it drain completely again will solve it for the most part. Its still not 100% correct but for me the difference is now about 4% while it was 20% at the start.
    How do I drain the battery completely and restart the phone without charging?
    02-18-2013 07:58 AM
  5. Coolknight1968's Avatar
    Read my 8X battery tips. I added a procedure at the end of the post. Note: You need PC browser to see it with my signature!
    02-18-2013 11:06 AM

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