Proper installation of dongle and mobile device drivers is required to ensure the software communicates with the connected phone. How to Download and Install UMT GSM 5.2
The GSM module is one of the core components of the UMT suite, offering several advanced repair functions: Flashing & Firmware Updates umt gsm 5.2 setup download
Plug your UMT Blank Dongle into a USB port. The software will not open without a valid, authorized license key detected on the dongle. Proper installation of dongle and mobile device drivers