hi i recently bought i ethos+ on its main screen it said it using software ver 15.4 yet when i connect to a car it says software must be registered and shows it for 30 seconds then it shows the software subscription for this selection has expired please renew subscription how can i fix this i heard this can be updated to ver 18 but dont know how to go about it i tried shop stream but it said no updates available any help would be appreciated


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