Need suggestion for best app that hibernates the background app and save my battery for my S9..

My S9 mobile battery is draining fast after andriod 10 update, what should i do to recover it?

We are already in mid of jan 2020 and still no update for Galaxy S9 since dec 2019 in india. Can anyone let me the status of android 10.

Hello people, I have purchased samsung galaxy s9 (G960F) last year here in india, it was good untill 2 months back, after received some software update i am unable to hear the voice of the other person during call, its clear through bluetooth & ...