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To change the SIM card PIN
1
From the Home screen, tap
2
Find and tap Settings > Lock screen & security > Set up SIM card lock.
3
Select a SIM card.
4
Tap Change SIM PIN.
5
Enter the old SIM card PIN and tap OK.
6
Enter the new SIM card PIN and tap OK.
7
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
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.
You can forward calls that come in on SIM card 1 to SIM card 2 when SIM card 1 is
unreachable, and vice versa. This function is called Dual SIM reachability. You must
enable it manually. See
To enable or disable the use of two SIM cards
1
From the Home screen, tap
2
Find and tap Settings > Dual SIM.
3
Tap the SIM1 and SIM2 sliders to enable or disable the SIM cards.
To rename a SIM card
1
From the Home screen, tap
2
Find and tap Settings > Dual SIM.
3
Select a SIM card and enter a new name for it.
4
Tap OK.
To select which SIM card handles data traffic
1
From your Home screen, tap
2
Find and tap Settings > Dual SIM > Mobile data.
3
Select the SIM card you want to use for data traffic.
For higher data speeds, select the SIM card that supports the fastest mobile network, for
example, 3G or LTE.
Finding the identification number of your device
Your device has a unique identification number. This number is referred to as the IMEI
(International Mobile Equipment Identity). You should keep a copy of this number.
You may require it, for example, when you access the Xperia™ Care support service
to register your device. Also, if your device is stolen, some network providers can use
this number to stop the device from accessing the network in your country or region.
For devices with two SIM cards, there are two IMEI numbers, one for each SIM card slot.
This is an internet version of this publication. © Print only for private use.
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Forwarding calls on page 79.
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