I know this has a thread, but I can not get the hexedit trick to work on xtl2500 450-520. Just trying to go 440. Have tried every trick mentioned here. Tried editing the patmob directley And tried modifing codeplug, with no luck. I thought i was close a couple times, but thought id better ask. What am i missing? Thanks... KG5GBR, WQTT510