Settings and security
Managing your nano SIM cards
You can set which card to use as the default card for voice call and messaging.
1. Go to Settings.
2. Tap SIM management.
3. You can:
§ Turn either card on or off.
§ Tap a card name to rename it, enter your mobile number, and more.
§ Choose which card to use for voice call and messaging. Or select the
Always ask option if you want apps to prompt you to choose a card
whenever you make calls or send messages.
Choosing which nano SIM card to connect to
the 3G network
When you have two nano SIM cards inserted on your phone, only one card can
connect to the 3G network. The other card will connect to the 2G network only. You
can set which card you want to connect to the 3G network.
1. Go to Settings.
2. Tap Mobile networks.
3. Tap 3G service > Enable 3G.
4. Choose the card you want to connect to the 3G network.
Assigning a PIN to a nano SIM card
You can help to protect the nano SIM card by assigning a Personal Identification
Number (PIN).
Make sure you have the default PIN provided by your mobile operator before
continuing.
1. Go to Settings, and then tap Security.
2. Tap Set up SIM card lock.
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