Operation Manual

65Chapter 17 . Settings
2. Tap a SIM card and configure more settings for the SIM card.
3. Choose the preferred SIM mobile data, calls or SMS messages.
Operator
Operator
Select default SIM for data services
Tap to enable or disable your SIM cards, and
configure more settings of you SIM cards
Enable or disable mobile data
Enable or disable data roaming
Enable or disable WLAN aggressively handing over the data
connection to Cellular when WLAN signal is low
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 use mobile data.
2. You can configure whether you want to select a SIM card manually or use the default SIM card each time you make a
call. If you choose to use the default SIM card, your phone will use that SIM card for all outgoing calls.
3. Your phone supports only dual card dual standby single pass, which means you cannot use both SIM cards for calls or
data services simultaneously.
17. 4 Data usage
Go to Settings -> Data usage, and you can configure the following settings:
View mobile data usage
1. Tap Mobile data usage to see mobile data usage for your phone.
2. Tap to adjust billing cycle settings, which can also be set in Billing cycle.
Adjust billing cycle
Tap Billing cycle and you can reset the usage cycle date, set data warning and set data limit.
Enable mobile data
Switch on Mobile data to enable it. To enable mobile data, you have two more ways:
Swipe down from the status bar to open the Quick Settings Panel and tap Mobile data.
Go to Settings -> Dual-SIM & network, and switch on Mobile data.
Configure apps mobile data
Tap Apps using mobile data network, toggle the switch next to the apps as desired to allow or restrict the
apps to use the data network.