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No (U)SIM card
Invalid (U)SIM card
Network signal
Network type
Data service
4.
LED Indicator description
State of LED indicator
RED Solid On
Green Solid On
Green blinking
*Green blinking: Flash once every 0.5 seconds)
(U)SIM card not inserted or the device
The (U)SIM is out of service.
Indicate the signal strength of
GSM/GPRS,
EDGE
Description
No SIM card/ Error
Register to network (not connect)
Connected to network
UMTS,
available,
LTE
HSPA
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