Youtube Issue On Android...

After clearing my cache in my settings for the YouTube app, YouTube videos will not play on my Samsung mobile. I restarted my phone, but it's just the same way.

Outdoors, a speed check showed I have 21 Mbps. So what's the issue?

Oh, and on another phone I purchased as a spare, it's running Android 12. However, it doesn't connect to Wi-Fi, which is something I noticed immediately following an update. It seems though, many users have experienced the same problem. I didn't pay an awful lot for the phone, mind you. So maybe it's just not that good.

It did feel sluggish, despite being new in its box.