Serendipity 6.4
 
Already running 6.x? Click here!
Instructions

Recommended:
  1. Backup all of your apps, photos, etc. Use Titanium Backup (on the market) for your apps. Put the backup files on your computer.
  2. Using Odin, flash back to stock JF6. If your phone has 3-button problems use this Odin. 
  3. Using Odin, Master Clear THIS DELETES EVERYTHING ON YOUR PHONE, INCLUDING THE INTERNAL SD CARD.
  4. Place this update.zip on your SD Card. Flash it in 2e recovery (twice). This will install Clockwork Mod Recovery. No root is necessary.
Installation:
  1. Transfer Serendipity_x.x.zip to your SD Card.
  2. Reboot into Clockwork Mod Recovery
  3. Flash Serendipity_x.x.zip
  4. Following installation, reboot the phone.
  5. If presented a screen about conversion, select "YES". This will enable the lagfix.
  6. Allow the phone to finish booting. This will take an abnormally long time. Somewhere between 2 and 4 minutes.
  7. Allow the phone to establish a data connection. This will take longer than normal, and should be done within a minute or two.