Ganz aktuell hat Garmin wieder einmal für den Oregon 550 eine neue Beta-Firmware zur Verfügung gestellt:
  
Changes made from version 4.32 to 4.45:
Improved GPS performance 
Improved JNX file handling 
Improved the usability of the main menu setup page 
Increased maximum number of supported JNX files to 250 from 200 
Fixed shutdown when more than the maximum number of JNX files were present 
Fixed ‚Search Near‘ functionality on Hunt & Fish and Sun & Moon pages 
Fixed shutdown related to topographical maps and land cover text size 
Fixed shutdown associated with certain custom POI files 
Fixed Glide Ratio to Destination field 
Fixed problem with profiles and the fields on the map page
 
  
Die Firmware ist für den Oregon 450/550. 
Die Firmware bekommt Ihr direkt auf Garmin.com: Oregon 550 Firmware