117 118
11�1�7 More���\Mobile networks
Select SIM
Manage Network settings of each SIM cards.
Data enabled
If you do not need to transmit data on all mobile networks, unmark the
checkbox of Data enabled to avoid incurring significant charges for data
use on local carrier mobile networks, particularly if you do not have a
mobile data agreement.
Data roaming
If you don’t need to transmit data on other carriers’ mobile networks,
unmark the checkbox of Data roaming to avoid incurring significant
roaming charges.
11�2 Device
11�2�1 Dual SIM settings
Configure SIM
Choose a SIM card you want to configure.
•Mark the checkbox beside your SIM card to enable it.
•Touch SIM card name to change your SIM card's name, and touch OK
to confirm.
Preferred SIM settings
Touch to choose a SIM card for Voice/USSD/MMI/Data Call/SMS.
Count down time
Touch to set the time for select the SIM1 or SIM2.
Preferred callback
Mark to turn on/off the preferred callback.
11�2�2 Sound
Use the Sound settings to configure many aspects of call and notification
ringtones, music, and other audio settings.
•Volumes Touch to set volume for Media, Ringtone,
Notifications and Alarm.
•Silent mode Touch to silence all sounds (mute or vibrate)
except media & alarms.
•Phone ringtone Touch to set your default incoming call ringtone.
•Default
notification
Touch to set the default sound for notifications.
•Vibrate and
ringing
Mark the checkbox to enable vibrate and ringtone
at the same time.
•Dial pad touch
tones
Mark the checkbox to enable playing tones when
using dial pad.
•Touch sound Mark the checkbox to enable playing sounds
when touching for certain UI interactions.
•Screen lock sound Mark the checkbox to enable playing sounds
when locking and unlocking the screen.
•Vibrate on touch Mark the checkbox to activate vibration when
touching keys.