SUMI Flasher

1 Flash Latest SUMI
  1. Connect your Xteink X4 via USB-C
  2. Click Install below
  3. Select the USB serial port
SUMI v1.6.3
~2.1 MB
Your browser doesn't support Web Serial Not allowed to use Web Serial
⚠️ Note: This will erase and replace your current firmware.
2 Custom Firmware (Optional)
Drag & drop a .bin file here
or click to browse
Connecting...