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iPhone 13 Pro Max
Basic functions
Apple iPhone 13 Pro Max
iOS 15.0
iOS 17
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Getting started
Basic functions
Calls & contacts
Messaging & email
Internet & entertainment
Data & wireless
Troubleshooting
My phone's battery life is short
Sound settings
Select ring tone
Turn silent mode on or off
Screen settings
Set date and time
Use push notifications
Use Dark Mode
Use widgets
Select lock screen settings
Security settings
Turn use of PIN on or off
Turn use of phone lock code on or off
Use Face ID
Software update
Update phone software
Restore factory default settings