How to fix low volume problem on samsung A70?

What is the problem? Take Bug report You can see in the pic. How Can i solve this problem many times Show nitification About bug report 

Yar koi bta skta ye kya masla hai Samsung a70 kibattery raat ko 22% rakh kr so gya jb subha mobile pkra to 1% net b off tha sub kuch normal tha esa 2 dafa hua enry saath .abi 1 month hua mobile liye mujhe mai jy battery ko kabhi 100% pr charge nai ki...

salamKoi bta skta yar ky Samsung Mai auto call recording issue Ko kesy clear kiya jaye .pehly jb samsung mobile pr auto call record ki Jaye to ho jati thi laiken ab nai hoti hamari awaz record ho jati hai laiken agly ki nai hoti ...mai ny apny dono s...

Hi ,I have s8 plus problem on Battery if battery 10% othervise battery is ok.when my battery 10% suddenly battery percent jump on 0 percent and mobile offTell me How to solve this problem