You can use iTunes Repair to fix different errors and glitches of iTunes, no matter which version you install on your PC.
With this guide, you can easily use iOS System Recovery to repair various system issues, like loop restarting, black/blue/frozen screen, etc.
Is your iPhone stuck on update requested status? If so, you can use the methods in this post to solve it. All the steps have been offered.
Find out why is iOS 17 not installing on your iPhone, and solve this issue with workable solutions. Then update to iOS 17 with ease.