Auto restart and battery charging very slow

[Deleted User]

problems -

1-when ever i do video calls in phone speaker with full volume, after 1 minute, my device get restarting automatically. 

2- while charging my device it takes 6 hr + to charge from 0-100%. but battery back up was good.

( i do all type of formatting and reset my phone, but the problem is still present & also do safe restart but nothing improvement)

Hifdzi Sugih pakaya

The charging is ussually take 2:30 hours on my phone but the battery drain so fast after thr update, i play pubg one game 23 minute the battery drain 19 percent it is not good