Few day's back previous Symbian^3 device got the Belle Refresh Update but Nokia 500 Users not getting this. Finally Belle refresh Available for Nokia 500 in Navifirm, or OTA or Nokia OVI Suite too.
Click here to download Belle refresh for Nokia 500
Click here to view Screen shots.
Or Click On Shortcut menu " Belle Refresh Download here " and download all files and flash with Phoenix with Dead USB procedure.