Amiline.com
LED instructions:
Power
Red Power switch on
Blue Recharge when power switch is off, LED off after recharge finishes
Purple Recharge when power switch is on
Battery
Blue Power enough
Blue/Purple alternate Low power critical point
Purple Lower power and recharge is needed
Wi-Fi
Blue Wi-Fi on, WAN/LAN cable unplugged
Red Wi-Fi off, WAN/LAN cable plugged
Purple Wi-Fi on, WAN/LAN cable plugged
Signal
Red Signal weak
Purple Signal normal
Blue Signal strong
Mode
Purple 2G network
Blue 3G network