After 3 months the tablet has briquée at a Samsung upgradre, returned to the seller, problem solved after 15 days included the ride ... under warranty, since everything works, have added a 64GB sd and sim for 4G is Nikel! I use it every day in a car with a version of TomTom, bright screen and detailed, easy handling, I stream my music on my car radio (and comments TomTom) and also integrated GSM. Anyway I'm happy, I do almost everything with.