How to set wifi for volvo 88890300 vocom 1. Use USB cable , go to ptt , setting, Communication unit configuration , configure, 'USB+Directly to Communication unit' 2. 'Direct' ->'Restore default values'-'Apply'-'Ok' 3. Click Ok again. then disconnect usb cable, 4. Go to Setting->'Comm.unit Selection' -. ' Communictcation unit 8889300 ....Nickname' 5. Now your can use signal get wireless singal. All ok