ModemVU Version 2.1.41 (March 04, 2013) - Added support HPT404BT with GSM modem. ModemVU Version 2.1.39 (January 23, 2013) - Corrected the loading FW via USB in modems HPTxxx.-ModemVU Version 2.1.41 (March 04, 2013) - Added suppo

Ali 566x Update Tool is used for upgrading the M566x firmware binary code, and testing the device. Meanwhile, user can change some product-specific information of device, like USB vendor id, USB product id, USB product string and serial number, etc.