iPhone 13 mini won't turn on

Try and Force Restart your iPhone EXACTLY as shown below and see whether that resolves the issue:

• Press and quickly release Volume UP button
• Press and quickly release Volume DOWN button
• Press and Hold the SIDE button until an Apple logo appears and then release the Side button (Can take up to 20 seconds. (DO NOT release Side Button when invited to Slide Power OFF). 

Also, review the following guide published by Apple 👉 If your iPhone won’t turn on or is frozen

Axel F.

Ianush1234 Said:

"iPhone 13 mini won't turn on: Tried using side buttons to restart/force restart. Nothing. HELP!"

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Troubleshooting Being Stuck in a Boot Loop:

Your iPhone might be in a boot loop. This typically happens when you unsuccessfully download something or an install stalls.  So, refer to my User Tip: How to Fix an iPhone in a Boot Loop - Apple Support