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 the registered fingerprint, then tap DELETE > DELETE.
To rename a registered fingerprint
1
Find and tap Settings > Lock screen & security > Fingerprint Manager.
2
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 > 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 > 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-type 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.
Dual SIM devices work with either one or two SIM cards inserted. You can get
incoming communication to both SIM cards and select which number to place
outgoing communication from. Before using multiple SIM cards, you need to
enable them and select a SIM card which will handle data traffic.
You can forward calls that come in on SIM 1 to SIM 2 when SIM 1 is unreachable,
and vice versa. This function is called Dual SIM reachability. You must enable it
manually. See
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