Is your iPhone, iPad or iPod touch having problems connecting to WiFi, have short battery life, or other bug problems? You might want to try a settings reset ...
In iPadOS 15 · Open the Settings app and then choose General · Swipe down to the very bottom and tap Transfer or Reset iPad · Tap Erase All Content ...
How to Physically Reset an Unresponsive iPad · 1. Press and hold the Sleep/Wake and Home buttons on the iPad until the device turns off. · 2. Release the Home ...
On your iPad, open Settings > General. · Scroll down until you see the Reset option. · Select Erase All Content and Settings. · Enter your passcode ...