45Chapter 16 . Settings
Settings
This chapter contains the following sections.
• SIM cards
• Airplane mode
• Display
• Sounds and vibration
• Storage
• Battery
• Apps
• Float button
• Location
• Accounts
• Language and input
• Backup and reset
• System updates
• Date and time
• Accessibility
• About phone
16. 1 SIM cards
Dual SIM settings
When two SIM cards are inserted, only one SIM card can be set as the 4G/3G/2G SIM. The other SIM card slot
only supports 2G networks. You can also configure the default card for mobile data, phone calls and SMS
messages according to your monthly plan.
1. Go to
Settings -> SIM cards.
2. Choose the preferred SIM for cellular data, calls or SMS messages.
Enable or disable a SIM card
Select default SIM for data services
Select default SIM for phone calls
Select default SIM for messages
Note:
1. If you disable a SIM card, you will be unable to use it to make calls, send messages, or access the Internet.
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