if you not done yet then do some settings to save more battery life and
observe for next 1-2 days, it will give a noticeable difference 1.
Connection>more connections settings> disable nearby device settings 2.
Location>improve accuracy >disable A. W...
if after update then do these steps A. Wipe Cache Partition. Steps to
perform. 1) Turn off the device. 2) Press and hold the Volume Up key and
the spower button. 3) When the Android logo displays, release all keys.
4) Press the Volume down key to nav...