Hanmatek DOS1102 is a 2-channel digital storage oscilloscope with a 110 MHz bandwidth. You can access the official Hanmatek Manuals Center

Do not attempt without reading the manual first. A failed firmware update can brick the device. The official manual provides the exact file naming convention and USB port to use (USB Host, not USB Device).

They look nearly identical. The DOS1102 is Hanmatek’s rebranded version of the same hardware platform. Consequently, the Hantek manual is often 95% accurate for the Hanmatek. However, always prefer the Hanmatek-specific manual for warranty and software tools.

: USB Device and Host interfaces for PC communication and U-disk data storage. 2. Initial Setup and Safety