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Amazon.com: TomTom VIA 1535TM 5-Inch Bluetooth GPS Navigator with Lifetime Traffic & Maps and Voice Recognition : Electronics
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![I can not get a valid GPS signal from unit model 4EN42 Z1230. I had the unit on in the car for 2hrs. What can I do. I can not get a valid GPS signal from unit model 4EN42 Z1230. I had the unit on in the car for 2hrs. What can I do.](https://f01.justanswer.com/ref/http_www.tomtom.com/lib/img/cs/2359_serial.jpg)
I can not get a valid GPS signal from unit model 4EN42 Z1230. I had the unit on in the car for 2hrs. What can I do.
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