This is the last year iPhone XS will be supported with OS I suggest try an iPhone SE if within your means if not I understand iPhone XS it is im rocking one too till iPhone 16. I think apple has a guide here https://support.apple.com/en-gb/guide/iphone/welcome/ios

30 w is fine it can change up to 27w please always keep optimised charging on it will manage the intake wattage it won’t always pull 27w

Kek

The only people asking for this is android users and they don’t even use iPhone

Apple Logo is all I need ☺️

What’s RCS?