Sim Card Protection; Using Multiple Sim Cards - Sony Xperia L1 User Manual

From your , tap
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Select the place that you want to edit.
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To enter another location, tap
searches for the entered location. To use the suggested address, tap the
address.
To fine-tune the location, tap the back arrow next to the address, drag the
location pin to the desired location, then tap
From your , tap
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Select the place that you want to remove.
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SIM card protection

You can lock and unlock each SIM card that you use in your device with a PIN
(Personal Identification Number). 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.
From the Home screen, tap
Find and tap >
Select a SIM card.
Tap the slider to enable or disable the SIM card lock.
Enter the SIM card PIN and tap
will be prompted to enter the PIN every time you restart the device.
From the , tap
Find and tap >
Select a SIM card.
Tap .
Enter the old SIM card PIN and tap
Enter the new SIM card PIN and tap
Re-type the new SIM card PIN and tap
Enter the PUK code and tap
Enter a new PIN code and tap
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

Your device works with either one or two SIM cards inserted. You get incoming
communication to both SIM cards and you can select from which number you want
to place outgoing communication. Before you can use both SIM cards, you need to
enable them and select the SIM card that will handle data traffic.
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and then type the address. Your device
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