Source:
1. Download Driver & File Explorer. 2. Uncompress SAMSUNG_Composite_USB_Driver_4_34_WHQL.zip and execute Setup.exe. 3. Connect F480 to PC. First time you should be prompted with a 'device installed and ready' message. 4. Execute TkFileExplorer_2.2.exe 5. Go to Settings - COM. 6. Scroll down Port window: You should get just one COMxx option. Choose it and press OK. 7. Go to File - Connect. You should get the F480 File System Tree at TkFileExplorer bottom half side. 8. Go to /Exe/Java/Games 9. Create a New Folder for your game 10. At TkFileExplorer PC upper side select game JAD/JAR files and copy to F480 created folder using drag&drop or right button menu Download option. 11. Repeat steps 9 & 10 for all games you want to install at a time. 12. Disconnect USB cable 13. Dial *#6984125*# 14. Go to Internals (Master Key: *#9072641*#) 15. Go to Storage Settings and select Update Java DB Enjoy! ...and save money! NOTE 1: You do not need to change Samsung USB mode to Qualcomm. Leave it at its default Samsung mode (if you do not understand this just do nothing ) NOTE 2: Once driver is installed, Samsung PC Studio 3 still works. SOURCE: http://www.forummobiles.com/index.php?showtopic=160797&st=896