I'm trying to figure out the exact cause of the bluetooth GPS malfunction on the 4.2.1.x firmware. So far I know that it fails on at least some iBlue units. I'm trying to narrow it down.

The symptoms: After TeleNav starts, it may or may not work for a short amount of time (up to 2 minutes). In my case, it fails seconds after the map is displayed and the first direction is spoken.

Please only poll if you are:

1. Using the TeleNav software.

2. Using an external (bluetooth) GPS 'puck'.

2. Using the 4.2.1.x new firmware.

Thanks guys and gals!

--mobrien118