I updated the phone software yesterday (don't know the version number, but it was my 2nd update since I bought the phone about 3 weeks ago). The details said it brings "stability" and "security enhancements" to the phone. I decided to update because I have been having occasional strutting of the phone where it would hang for about 5-7 seconds and then be OK again. I thought it would fix it! Alas, not only did it not fix the hanging issue, it ruined my battery life!!
Since the update, the battery life has been degraded a lot! Before I used to have a good 7 hours sleep with just 1-2% battery drain max, but now last night, it dropped 7% (from 100%) (almost 1% every hour without use!!!). Also, previously I had instances where after 1-2 hours of no use, I would have a 0% drop in battery life! Not anymore!
While using the device, even after a minimal use of 5 minutes, the drain can be as much as 4%! I'm devastated by what Samsung have done with the update! I installed GSam to monitor battery. It shows the culprit as being "Android System" using about 25% of the battery.
Any suggestions for me guys?
P.S: I have the International Version of Note 5 - N920C