Op-com_restore_ftdi_to_ori_v20830.7z Direct
: You may need an external programmer (like a TL866) if the bootloader is dead. Process :
Connect the device to your PC via the ICSP port if using a programmer. OP-COM_RESTORE_FTDI_to_ORI_v20830.7z
: For stable communication, use FTDI drivers v2.8.30.0 (referenced in the archive name v20830 ) or v2.8.14.0. : You may need an external programmer (like