Support GPS Not Working

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http://androidforums.com – I bought a TBolt off a friend and discovered that it appears that the GPS does not work. It shows "on", but it does not see or lock onto any satellites. This means my location in Maps is off a bit, although sometimes its pretty close because I have Google Location and VZ location settings on. GPS does not work on Navigation either. I tried several things, including the GPS Toolbox app, and it does not help. I have read that some of the early TBolts have this issue. One question is, if I root the phone and flash a new radio, would that help? Is the GPS function part of the rad (General)