Huawei E5330 - Device Controls and Ports

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 Red: Low battery.
 Wi-Fi indicator
 Green: Wi-Fi turned on.
 Blue: Connected to WLAN.
 Micro USB port
 Signal indicator
 Green: Strong signal.
 Orange: Weak signal.
 Red: No signal.
 Lanyard hole
 Power button
Press and hold the
button to turn the Mobile WiFi on or off.
 RESET button
Press and hold the RESET button to restore to factory values.