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Garmin Express : The Specified Unit ID is Invalid

Former Member over 8 years ago

Hi ,

Since 1 month I can't sync my watch Forerunner 405CX with Garmin Express . I just tried the new release 4.1.26 without more success . Everytime I try to add my watch , it says : The Specified Unit ID is Invalid (see attachment) . It was working before then it stopped .

Can you please advise this very annoying problem , I understand that the 405CX is discontinued but I can't imagine Garmin also removed support from Garmin Express .

My unit ID is : 3753309211