Automatic SIM switchover occurs
when the primary or the active SIM fails. The switchover occurs
only if there are two SIMs in the ION device and the data session
cannot be established for more than five minutes. SIM switchover
is limited to only two times when both the SIMs are unable to establish
a valid data session—SIM 1 to SIM 2 to SIM 1.
the switchover is initiated, if a different carrier SIM is present
in the secondary slot, the modem is reset and loads a new firmware.
If the secondary SIM is from the same carrier, the modem is not
, select the device
you want to configure.
Configure the Device
, and then select the Cellular module
enter the following information:
Cellular Module Status and Name of the module is displayed.
enabled by default.
) Add the
The SIM table displays the SIM slot 1 and SIM slot 2 configuration:
there is only SIM, generally slot 1 is for the Primary SIM.
there are two SIMs, you can manually configure slot 2 as primary
SIM by selecting the radio button.
—Displays the Carrier name
and whether the SIM PIN is enabled. Lock symbol indicates the SIM
PIN protection is enabled. Unlock symbol indicates that the SIM
PIN protection is not enabled. It is optional to secure the SIM.
protection configuration is done in two steps:
—Displays if the SIM is
in use or is present in the device.
to update the changes.
Enter the SIM PIN to Unlock the SIM
The SIM PIN prevents unauthorized use of SIM
cards. With SIM PIN enabled, a SIM is locked to a modem. A PIN code
is required to unlock the SIM for the modem to access the cellular
network and start data sessions.
The entered PIN is saved
in the ION device and this PIN is used for PIN verification when
the ION device is reset. PIN verification is not required for an
Select the ellipsis icon against the SIM and select
for the SIM.
Remove PIN from Configuration
by default. When deselected, the PIN is used to secure the SIM.
You cannot use the SIM until the SIM PIN is configured.