TomTom Via 135M, only disappointment, then relief .....

This TomTom is not exactly cheap. Therefore, it was initially quite disappointing that it was after 5 minutes of running time (full at 75% battery) erts times depend on the software side, and then to leave the viewer completely in the dark .... It went out and was no longer turn on. After several attempts and a then incipient desire this device to send back, I then tried using a software and map update via TomTom. After about 3 (!!) hours' work on the PC it worked finally. The route guidance is in my view very clear, the voice control costs but before a little patience and time, since it is not always (especially while driving) understands matter what is said. Unfortunately, the Blutooth connection to my Samsung C3520 works not (perhaps located on the phone?), The connection to the Huawei G510 however well! The voice message is loud enough, but could be a little less tinny for the price. It is also known initially not quite sure when the on-off button react ... at least not the way it is in the downloaded manual. The support is quite hard to adjust: this is in principle good, but how long the plastic web between the suction cup and ball joint is probably this "violence" survive?
My conclusion: In order, when `s because work only once. And please TomTom: for this price must be a device to work immediately!