Couple things, no iPhone is waterproof. They are water resistant.
Are you saying your sister put soap on the screen? This won’t affect the phone at all.
Couple things, no iPhone is waterproof. They are water resistant.
Are you saying your sister put soap on the screen? This won’t affect the phone at all.
Change all default apps, mail, maps etc
Try Brave Browser, it’s built in ad blocker is a beast. I switched every browser over to Brave.