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Hi, I've recently retrofitted a 9W7 Bluetooth module into my car however when I stream music via my phone it will display one of two screens. One is where the controls and track title are displayed but no audio is played into the car and the second is where the music plays but without any controls or track title. Working but no audio. Audio working but no controls or track. Details RNS510 - Revision C, HW: H41, SW: 2720 - not updated 9W7 BT - 5K0 035 730 E, Software 2902 I've had a look on google and found out that for the 9W7 module needs to be connected to a revision E RNS510 to have AVRCP. Now my question is do I need to buy a new revision E head unit or can I update the firmware/software to the newer or newest version?
