Usb Connector; Back Cover - Huawei 3101 series Quick Start Manual

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USB Connector

It connects the USB Stick to a PC.
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Indicator
It indicates the status of the USB Stick.
Steady bule: strong signal strength
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Steady yellow: weak signal strength
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Steady red: no signal
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Blinking red: The USB Stick is powering on.
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Blinking green: The USB Stick is upgrading.
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Back cover