teichtaucher

You're right, it's a 350R-N. Originally I wanted to open the casing to connect to the pads to reflash the custom firmware (like this https://youtu.be/WRfZJ4xyYwc?t=153). But as I didn't found...

Danke, vielleicht zerlege ich meins auch noch mal ordentlicher. Aber mein Kernproblem löst das allerdings nicht. So wie auf dem zweiten Bild sollte es bei mir auch aussehen - oben...

Thanks for the the hints! Finally I opened up the ESL on the front, but in my version it's quite difficult because the pouch cell is glued on the PCB...

OK, finally found the Pins foe reflashing:  It's below the glue sticker at the backside of the PCB. I will now try to flash and Report my status. Hope...

Status update: I could flash the Nebular 3.5" ESL with some restrictions: - I had to connect also VDD PIN with the USB2UART. Otherwise the LED was not flashing -...

Hi @ixy05 , thanks for the hint. Do you know if the bin from @atc1441 's repo (https://github.com/atc1441/ATC_TLSR_Paper/blob/main/Firmware/ATC_Paper.bin) supports control by bluetooth? I stopped further investigation as the step to...