In my Galaxy A50, I cant find the option to mute while record video. Any help?

Is there any way to change wallpaper automatically in lockscreen in GalaxyA50?

How to on/off data or wifi access to an specific app while others can use it

Video quality in super steady mode is so poor that it looks like 360p in a 1080p screen. Any solutions?

I think Samsung should work on accidental touch and touch sensitivity. My headphone wire can even touch my phone. Most of the time phone was wake in my pocket through cloth and screen protector. It's so annoying and drain battery.