Turn off the power switch to the T.VST29.03 board (or unplug the power adapter).
: Within this menu, "Panel Settings" allows you to fix inverted colors or upside-down images. Troubleshooting No Blinking T.vst29.03 Firmware Upgrade
If your board's bootloader is completely corrupted, the USB flashing method will not work because the board cannot read the USB port. In this case, you must flash the memory chip directly. Required Hardware Turn off the power switch to the T
The update notes were unusually sparse. Where other vendors published verbose changelogs—security patches, bug fixes, "improved Bluetooth stability"—T.vst's advisory was a single paragraph of clinical language: T.vst29.03 Firmware Upgrade