I think my iPhone is hacked?

The past couple of days my iPhone 5c has been acting so weird exiting and entering apps on its own and bugging out. When I try to type it erases it all and changes what I wrote completely. My phone also will keep bringing up random pages on its own. Also the other day I swear to god my phone typed the cow emoji on its own on safari and I didn't do anything. My phone isn't letting me type either. This is already my 4th attempt at writing this because my phone keeps bugging out and bringing up random pages on safari. Sorry for any typos because my phone isn't letting me type correctly. If anyone knows what's wrong it would be helpful.

It's not hacked it's just buggy. I suggest a factory reset. But make sure any important stuff is taken off the phone before you factory reset it - as it erases your storage.

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