Hello. In this video i show you how we can replaced the touchscreen mine board for artillery sidewinder x2. The original board coming with MCU GD32 and we can't installed the custom firmware. Finally i found STM32 board and decided to change it.
All links can be found in the description below the video.
If you are not confident in yourself, I do not advise you to repeat my experience.

STM32F107 Touchscreen board: https://www.ebay.fr/itm/354636974729
Custom Firmware: https://www.thingiverse.com/thing:429...