2G/3G/Lt E Indicator; Microsd Card Slot; Sim Card Slot - Huawei LTE E8372 Quick Start Manual

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2G/3G/LT E indicator

Indicates the connection status to the Mobile network (connection to the internet).
Blinking green twice every 2 sec: The LTE E8372 is powered on.
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Blinking green once every 0.2 sec: The software of the LTE E8372 is being upgraded.
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Blinking green once every 2 sec: The LTE E8372 is registered with a 2G network.
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Steady green: The LTE E8372 is connected to a 2G network.
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Blinking blue once every 2 sec: The LTE E8372 is registered with a 3G network.
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Steady blue: The LTE E8372 is connected to a 3G network.
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Blinking cyan once every 2 sec: The LTE E8372 is registered with a LTE network.
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Steady cyan: The LTE E8372 is connected to a 4G/LTE network.
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Off: The LTE E8372 has been removed.
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microSD card slot

microSD card holder for the LTE E8372.
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SIM card slot

Subscriber Identity Module (SIM) card holder for the LTE E8372.
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