Why is my battery draining so fast on my Samsung Galaxy?

[AC Question]

Bazttery draining fast on Samsung galaxy phone

I just reformatted my Samsung Galaxy A-7 phone and when I use wi-fi it goes down to 90% after 30 minutes why? The software the tech said was corrupted and that is why he did this reformat.

 

[belodion]

Re: Bazttery draining fast on Samsung galaxy phone

Welcome to Android Central.

What do your battery usage stats reveal to be the main users of charge? Also, what is your signal strength?

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