In which case you need to update to 2.86 - the latest firmware. Go to GPS Underground and look for the update RT6 2.86. Does not take long but it may cause echo issues if you use bluetooth phone featuresmy frimware is rneg2.21.a.1, i think
calibration fileHello, I downloaded the uk maps 2014 and installed software 2.86 from a disc, all seems to have updated and works fine, people cant hear me over the phone unless i shout however but im good at shouting!