[CA] handset problem

[Sallysea]

Thank you for the response. I downloaded the new software for the VHF and the handset, I removed all other devices to be sure no interference. The VHF has bootfile 2.15 currently. I have tried multilple times to get the unit to upload the new software without success. I called a pro Raymarine installer and he said he could not make it work either on other sets and the only alternative was to ship the radio and the handset to Raymarine. If this is correct, where do I send them and how long will it take to get them updated? Do you have any other suggestions?