Sim Card Protection; Using Multiple Sim Cards - Sony G8343 User Manual

To register a fingerprint for the first time
1 Find and tap Settings > Lock screen & security > Fingerprint Manager.
2 Tap Next. If prompted confirm your pattern, PIN or password, or select your
backup screen lock method and follow the on-screen instructions to set it
up.
3 Tap Next and follow the on-screen instructions to complete fingerprint
registration.
To register additional fingerprints
1 Find and tap Settings > Lock screen & security > Fingerprint Manager.
2 Confirm your pattern, PIN or password.
3 Tap Add fingerprint, then follow the on-screen instructions.
To delete a registered fingerprint
1 Find and tap Settings > Lock screen & security > Fingerprint Manager.
2 Confirm your pattern, PIN or password.
3 Tap to delete the fingerprint.
To rename a registered fingerprint
1 Find and tap Settings > Lock screen & security > Fingerprint Manager.
2 Confirm your pattern, PIN or password.
3 Select a registered fingerprint in the list, then enter a name and tap OK.

SIM card protection

You can lock and unlock each SIM card that you use in your device with a PIN.
When a SIM card is locked, the subscription linked to the card is protected against
misuse, meaning that you have to enter a PIN every time you start your device.
If you enter the PIN incorrectly too many times, your SIM card will get blocked. You
then need to enter your PUK (Personal Unblocking Key) and a new PIN. Your PIN
and PUK are supplied by your network operator.
To set up a SIM card lock
1 Find and tap Settings > Lock screen & security > Advanced > SIM card lock.
2 Dual SIM users, select a SIM card.
3 Tap the slider beside Lock SIM card to enable.
4 Enter the SIM card PIN and tap OK. The SIM card lock is now active and you
will be prompted to enter your PIN every time you restart your device.
To change the SIM card PIN
1 Find and tap Settings > Lock screen & security > Advanced > SIM card lock.
2 Dual SIM users, select a SIM card.
3 Tap Change SIM PIN.
4 Enter the old SIM card PIN and tap OK.
5 Enter the new SIM card PIN and tap OK.
6 Re-enter the new SIM card PIN and tap OK.
To unlock a blocked SIM card using the PUK code
1 Enter the PUK code and tap
2 Enter a new PIN code and tap
3 Re-enter the new PIN code and tap
If you enter an incorrect PUK code too many times, you need to contact your network
operator to get a new SIM card.

Using multiple SIM cards

This function only applies for Dual SIM devices.
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