my iphone 7 is stuck on the apple logo..
what do you do if neither holding the buttons nor connecting it to itunes on the computer works?
iPhone 7
Try things in these links:
If your [iOS 13 or higher] iPhone is stuck on the Apple logo - https://support.apple.com/HT210616
If your iOS device restarts or displays the Apple logo or a spinning gear unexpectedly - https://support.apple.com/HT203899
If your iPhone, iPad, or iPod touch won't turn on or is frozen - https://support.apple.com/HT201412
If they do not work then follow the advice at the end of the links about contacting Apple.