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Enabling Data Connection
To check your data connection settings:
1.
Go to Settings >Wireless & networks > ...More >
Mobile networks > Access Point Names, then enable
the access point according to your operator/package
2.
To activate Mobile data, drag the notification panel
downward with two fingers and enable data connection.
3.
You can choose with which SIM card you will enable
data connection in Settings > Wireless & network > SIM
cards > Activities > Mobile data, then press on the SIM
card you want to activate.
When you activate Data Connection for one SIM card,
the 3G network can only be activated for this SIM card.
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Data Roaming
Note that for roaming SIM cards, you must enable the
data roaming in the Settings > Wireless & networks
> ...More > Mobile networks > Activate Data roaming.
Otherwise, the internet connection will be disabled by
default.