You can install Multiple version of any Java
Application on your s60 3rd Edition phone.
Follow these steps:
1. Open the .jar file with Decompressor like WinRar.
2. Open the Folder META-INF
3. Copy the MANIFEST.MF file to PC
4. With a text editor like Notepad, modify the
MIDLET NAME/DESCRIPTION;
for example, if the orginal name is 'Opera Mini'
change the name to 'Opera Mini 1'
(You can optionally change other optins too like
vendor or data-size.)
5. Save the file.
6. Rename the original MANIFEST.MF file to
MANIFEST1.MF (FOR BACKUP)
7. Put back the MODIFIED MANIFEST.MF to the
folder META-INF
That's it !
OR
Open the java file with XPLORE mark all files and press 4 then extract them to a different folder "empty folder preferably" then go to the extracted files, locate META.MF open it then you'll see MANIFEST.MF press 8 to edit!