My phone

 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.

sangdon Said:

"My phone: I just update for software but my phone can not open or anything l can’t????"

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Having Just Updated:

Two Things:

A. Restart, Manually: Restart your iPhone - Apple Support

And...

B. New iCloud Session:

Sign out of iCloud, and then sign back in.