Does anyone else experience their s24 ultra getting a bit warm while heavy workload?

Hi, I'm having charging issues on my s22 ultra. Sometimes it won't charge and it gives me this moisture warning when I connect it to the 45W adapter. I temporarily avoid using that one shortly. But the phone won't turn on charging sometimes when i us...

Does Samsung cover screen burn under warranty and if yes then for how long? I'm having this issue on my s22 ultra. Anyone else have similar issues?

Does anyone else suffer through frame drops while playing videos? Please let me any solution if one exists thanks!