Ford focus mk3.5 with nav Europe Ford release before upgrade …v3.0 Hi, I install the release 20121 and find some issues. I downgrade it and install 20136. Still have problems with fm radio and usb. Also have a problem with the clock. I adjust and i power off the unit shows another time. Someti…

You need to downgrade to 19200 first, and then upgrade to 20136