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Thanks for the WiFi tip. I I was getting the (EUNSPECIFIED) error message on my S21 Ultra after updating the app to 4.4.2. Turned the WiFi off and the app connected to the car. I've appoligized to the Russians who I swore had hacked my phone. All is right with the world now
My wife and I both have the S21 Ultra and have been fighting this same issue with missing contacts and inability to initiate calls. Your fix worked! I'm not sure how you figured that one out but super glad you did. Thanks!
