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Apple iPhone 7 Plus
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Activate or deactivate use of PIN
The PIN protects your SIM from unauthorised use should your mobile phone get stolen. If use of PIN is activated, it needs to be keyed in when you turn on your mobile phone.
1. Find "SIM PIN"
Press Settings.
Press Phone.
Press SIM PIN.
2. Activate or deactivate use of PIN
Press the indicator next to "SIM PIN" to activate or deactivate the function.
Key in your PIN and press Done.
3. Return to the Home screen
Press the Home key to end the session and return to the Home screen.