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5
Blue
blinking
You have new messages or
the message storage is
full.
Light off There is neither an unread
message nor a new
message.
Network
Red The device is in error
status.
 The device is not
registered to the
mobile network.
 There is no micro-SIM
card inserted.
 There is no network
service available.
Green
solid
The device is registered to
the 2G/3G mobile
network.
Green
blinking
The device is connected to
the 2G/3G mobile network
and data is being
transferred.
Blue solid The device is registered to
the 4G LTE network.