dial *#0011# and check which band your network is connected to.if you're
using jio and Connected to band 5 than you've to change it to band
40.check if its need to be changed then i'll tell you how to change this
band if you want.
wait for 2 or 3 days you will see battery usage. it is showing Learning
usage pattern because you recently reset your device and your device now
Learning how much you use your mobile.
i am facing this problem since February update. i did almost everything,
factory reset, visited service centre many times but nothing changed.
This problem is persistsing in the update which Samsung is not solving.
