User's Manual

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1.3 LED INDICATION &SIGNAL
1.3.1 LED INDICATION
POWER STATUS Cellular
Description
(Red) (Green) (Yellow)
Off Off Off Powered off
On Off Off System failure
On On Off
The module or SIM card is not
recognized
On On Blinking Dialing
On On On Dialing succeed
On Blinking On Upgrading
On Blinking->On Off Reset
Reset key description (factory recovery is supported on both startup and
operation) :
1. When the device is powered on, press the reset button immediately and keep it
for 10 seconds until the Status is normally on
2. Loosen and Reset the Status
3. Immediately press and hold Reset, then Status flashes, then loosen the Reset
button to restore factory success