Operation Manual

64Chapter 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

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 data usage

1. Tap Mobile data usage, and you can see mobile data usage, data warning on the screen.

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.

Enable data saver

Tap Data saver and turn on the switch to enable data saver, and then some apps will be prevented from

sending or receiving data in the background.

Note:

Still, you can have some apps allowed to use unrestricted data when Data Saver is on. Tap Unrestricted data access and

turn on the switch next to the app you want to enable using unrestricted data.