YouTube is crashing down, don't know the reason, if anyone facing it, or any solution available, please share

Hello members, Can you please help me that my mobile Samsung galaxy A50 is charging slowly after the December update. Please help me out.Note: I'm usingsame fast chargerwhich took nearly1:30 hours to charger0-100% before updating

Hey Members, I'm going to buy M31, Can you please suggest me it's Pros and Cons Based on your Experience .Thanking You 

Just now my device has restarted automatically without any notice & I didn't set any auto re-start for my device....What's the reason behind this ?

Usually I received Slow Charging Pop-up , if i connected to charger . But accidentally I clicked Don't show again..Can you please help me to get it back