Maximum HSDPA download speeds of up to 7.2 Mbps and HSUPA upload speeds up to 5.76 Mbps .

Standard USB 2.0 high-speed interface with an LED status indicator. Finding and Downloading Firmware Firmware for the

Includes a built-in Micro SD card reader supporting up to 4GB .

Never disconnect the modem during the flashing process, as this can "brick" the device, making it unusable.

Ensure you are downloading the correct version for your specific hardware revision. Using firmware meant for a different model (like the E173) can cause permanent damage.