Manual
• 3G Service
If you have two SIM cards inserted, only one of them
can be enabled to receive the 3G service. You are ad-
vised to enable SIM1 for the best performance. If you
want to change SIM, go to
Settings
>
WIRELESS &
NETWORKS
>
More…
>
Mobile networks
>
3G ser-
vice
>
Enable 3G
.
• Data Roaming
Note that for roaming SIM cards, you must enable the
data roaming in the
Settings
>
SIM management
>
BASIC SETTINGS
>
Roaming menu
. Otherwise, the
internet connection will be disabled by default.