Why does my iPad keep freezing

If your iPhone, iPad, or iPod touch won't turn on or is frozen - Apple Support

Is it always doing this when using one particular app? It may be the app has issues.

If you still have problems:

Click here --> https://support.apple.com/choose-country-region Select your country, then a product. If you don't see one that handles your issue then keep experimenting with selections until you reach one that gets you a chat session or a telephone call and get the representative to redirect you.

or:

Contact Apple for support and service --> "See a list of Apple phone numbers around the world."

Click here --> https://support.apple.com/HT201232