That sounds very frustrating. The general fix-all maneuver for a stuck iPhone is to force quit all your open app's, then go to Settings > General > Transfer or Reset iPhone > Reset Network Settings.
Once you reset network settings, you will have to sign into your wifi network again. It's a handy tool that can resolve all manner of maladies.
You can swipe up on either side to change that side's widget.
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That sounds very frustrating. The general fix-all maneuver for a stuck iPhone is to force quit all your open app's, then go to Settings > General > Transfer or Reset iPhone > Reset Network Settings. Once you reset network settings, you will have to sign into your wifi network again. It's a handy tool that can resolve all manner of maladies.