For configuring end enabling the roaming settings – in case of international or country border
usage – you may need to setup the Mobile country code and Mobile network code parameters
– even if you are attempted to use only a prefered mobile network.
The international country codes can be found here:
Ask your mobile operator about the available international settings.
You can define the SIM #1 APN account name, and the SIM #1 PIN code if it is necessary for
the connection.
Here you will found some examples for the APN settings.
M2M APN (enclosed)
APN name: wm2m