INSTALL MULTIPLE VERSION OF JAVA APPLICATIONS IN YOUR MOBILE

Now 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/winzip.
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 nameto 'Opera Mini 1' (You can optionally change other options too like vendor or data-size.)
5. Save the file.
6. Rename the original MANIFEST.MF file to MANIFEST1.MF (FOR BACKUP )
7.2011networktricks.blogspot.com
Put back the MODIFIED MANIFEST.MF to the folder META-INF
That's it ! Enjoy!!!