Green, solid: The USB Stick is connected to a 2G network.Blue, blinking once every 3s: The USB Stick is registering with a 3G/3G+ network.Green, blinking once every 3s: The USB Stick is registered with a 2G network.Green, blinking twice every 3s: The USB Stick is powered on.Indicator It indicates the status of the USB Stick USB Connector it connects the USB Stick to a pc 2. Getting to Know Your USB Stick The following figure shows the appearance of the USB Stick. Hardware system should meet the recommended reqirements for the installed OS version.Windows 7, Windows 8, Windows 8.1, Windows10, (Does not support Windows RT).Does not support Ntel, Spectranet, Swift,& Smile.It works with ONLY 3G networks of MTN,Glo,9Mobile & Airtel in Nigeria.It works with ONLY 3G networks of MTN, Glo, 9Mobile and Airtel in Nigeria. MTN FastLink E303 HSPA USB Modem 7.2Mbps maximum downlink Works with MTN,Airtel, Glo & Etisalat Comes with MicroSD Slot (Can be used as flash drive) SMS Capable Phonebook functionality Compatible with Windows 7/8/8.1/10 (Does not support Windows RT) Plug & Play (No CD Driver required) Enjoy the best of internet access on your PC and start browsing Immediately! High Speed. MTN Fastlink E303 HSPA USB Stick modem is a superfast USB Modem that you plug to your Personal Computer or Laptop and start enjoying very fast internet service at your office or at your home.