This has come up, before, but I am wondering if anyone has figured it out.
My 920 goes along, wonderfully, for days and then, for some reason, the battery goes flat within a few hours, while not in use. I put it down, last night with 100% charge and it was dead this morning. There are some suspicions that it is a runaway app, but I have never been able to identify one. If I go into the 8.1 battery app, it shows little usage as it appears that it resets when the phone reboots.
My 920 goes along, wonderfully, for days and then, for some reason, the battery goes flat within a few hours, while not in use. I put it down, last night with 100% charge and it was dead this morning. There are some suspicions that it is a runaway app, but I have never been able to identify one. If I go into the 8.1 battery app, it shows little usage as it appears that it resets when the phone reboots.