Constant problems with brand new iPhone 16.

Brand new iPhone 16 from T-Mobile. I’ve used 77 of 256gb storage. It’s using the most recent software update. It heats up severely from basic use. The camera CONSTANTLY freezes and crashes. Today it began making a rumbling feeling inside the phone when I watch videos. Today it also shut off completely at 85% battery while I was writing a text. I’m extremely unsatisfied with this phone so far. I’ve used Apple for years now, I have phone/watch/ipad. I’ve never had some many problems with an iPhone until the 16.