Found something to upgrade USB for long search, namely GROM MST3plus USB iPod Android MOST interface. Has an experience of yours. Compatibility Volvo C30/S40/V50/S60/C70/S80 – Basic Radio 1-CD compartment, everything in one radio USB port works with USB sticks and HDD – Android smartphones and tablets integration via USB port – AAC, MP3, MP4a, FLAC, WAV music files support – ID3 tags text display – direct cable connection to radio. – CD sound quality – full control from car radio or steering wheel – last position memory for USB and iPod – USB/HDD supports FAT16/32 – unlimited number of tracks per folder – additional port for AUX-IN or iPod – Bluetooth-compatible with Grom-BTD (optional) – firmware update capableGROM MST3plus USB I’m looking forward to your experiences. My Volvo is C70 II Bj2008 132kW D5