Oppo Reno 10 Pro 5G User Manual page 72

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Changing SIM PIN
First enable SIM PIN to change PIN.
In Home Screen, (Settings)
System security SIM card lock
Change SIM PIN Enter current PIN
PIN Re-enter new PIN
PIN is changed.
Password & security
Enter new
Setting Password to Unlock Screen With
In Home Screen, (Settings)
Password & security
Lock screen password
Numeric