To Update PCMtuner V1.27, we need to go to tuner-box.com and download PCMTuner Flash
Installation will ask for activation.
Send device ID (not SN number) to info@tuner-box.com, then the official will send back an activation code for activation.
You can find device ID on the back.
Part of early PCMtuner don't have a device ID, please contact ur seller for activation.
For PCMtuner Dongle users, please send code + dongle picture to ur seller for activation.