battery drain essue

[prabirnan]

After updating my phone on Samsung one UI 2.1 and I saw that my battery  is very fast drain 100 to 85 % just a few minutes.

[rap1021]

try factory reset

[arunnechlani]

I had same behavior but I won't say it's a bug upfront as it's expected usually after major updates. But I did a hard reset though which I usually do after major updates.