Is your firmware up to date on your older Sat-Nav devices? I've just been reading about a upcoming event (Weak number rollover) which will happen on the 6th April 2019 which could leave many older sat nav devices useless. I've just been in touch with the place I bought mine from as I've never updated the firmware in mine but it has been accurate, more so than the Sat-nav in my Niro
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They said it's free lifetime map updates and I just need to contact them via email for instructions!!!.....here's hoping
