How to downgrade to iOS 16 on iPhone 13 Pro Max?

Apple does not support downgrading iOS versions.

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Is there a reason(s) why you would lIke to downgrade? Perhaps if you list the issues that you are facing then we can attempt to address them.

Axel F.

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). 

Axel F.