Users of "KTM Flash" or other hardware clones based on version 1.2.1 should be extremely cautious. are intended for genuine PCMflash hardware. Attempting to update a non-genuine key to a newer version (like 1.2.2 or higher) can permanently lock the device and void any warranties.
Every software has bugs. Version 121 specifically addresses a memory leak that occurred when leaving the software idle with a Tricore ECU connected via KLine. pcmflash 121 upd