I was having this problem before I sent the scanner to Uniden for the clock fix. However, when I "Write" the data from Sentinel to the 536 it only downloads what was originally there. It will not display any of the new favorites list that I have added. I also have a 436 that I have no problem writing the data to off of the same Sentinel. Both scanners have the ProVoice/DMR updates. I have tried clearing user data on the 536, but it reverts back and only downloads the original. My next thought was there is an issue with the SD Card. Any thoughts, or anyone have a similar problem?