difficulties with phone

First, try restarting the phone.

Force restart iPhone - Apple Support

If that doesn’t work, I would check out this article:

If your iOS or iPadOS device restarts or displays the Apple logo or a spinning gear unexpectedly - Apple Support

kailee39 Said:

"difficulties with phone: my phone keeps showing me a black screen with a loading symbol in the middle"

-------

Being Stuck in a Boot Loop:

Your iPhone might be stuck in a boot loop. This typically happens when you unsuccessfully download somethings or an install stalls.  So, refer to my User Tip: How to Fix an iPhone in a Boot Loop - Apple Support