Action - Battletron Display Stripe - 3218223

https://www.action.com/de-de/p/3218223/battletron-razer-monitor-led-streifen/
Firmware
PCB UP
PCB DOWN

Want to flash it. Has anybody seen a PCB like this, or did you know the pinout from the pins on the back? Have tried via Tuya Cutter; have tried the two 1.3.1, but none work.
https://www.action.com/de-de/p/3218223/battletron-razer-monitor-led-streifen/
Firmware
PCB UP
PCB DOWN
Want to flash it. Has anybody seen a PCB like this, or did you know the pinout from the pins on the back? Have tried via Tuya Cutter; have tried the two 1.3.1, but none work.