Hi, thanks for your help.
I'm using Linux Mint 20.1 Ulyssa, I managed to make it work after adding the udev rule and using the --mfgpkg option with TinyFPGA-Programmer while using the USBSERIAL communication, so it's work perfectly now.

Hi, As my green led was not breathing I followed the step of this video to "unbrick" my board. https://www.youtube.com/watch?v=Q5GIZUsXb3I Once the qf_loadflash.bin is being run my green led is breathing but once I disconnect the J-link, remove the jumpers J1 and J7 and unplug then plug th...