Fnirsi: Dsotc2 Firmware

Use a high-quality data transfer cable. Avoid "charge-only" cables, which will not allow your PC to recognize the device.

Change the USB cable to a known data-sync cable. Try plugging it into a USB 2.0 port directly on your computer's motherboard rather than an external USB hub. If prompted by Windows, download and install the CH340 or relevant USB-to-Serial drivers often packaged with the firmware. The Device is Stuck on a White Screen (Bricked) fnirsi dsotc2 firmware