This is a hybrid for the Curve 8900 device. I recommend uninstalling any other OS’s off of your computer and running CCleaner (including registry cleaner) to ensure a clean install. Please back up all your data before proceeding.

-This is meant to install over the LEAKED 5.0.0.610 base OS. Install this first.
-Run Willyboy 8900 v4.1.exe to install the hybrid over the base.
-"Exit" the installer, Shrink-A-OS will pop up. Shrink out all languages you do not need to save space. DO NOT shrink out default fonts and themes.
-If you choose to wipe, now would be the time to do it.
-Launch loader from SAOS. If core applications are missing from loader selection, try launching from BBSAK or BBMCP.

This is a .610/.612/.643 build.

-East Asian Language support is included and fully functional.
-Google Maps, UberTwitter, Twitter for BlackBerry, App World all included (optional during install)
-All previous bugs from v4 are gone (Wifi={0}, spell check, bb maps, etc)

This one definitely runs better than v4. It's not as buggy, and the Bold 9650 files (.643) are going to do wonders for stability. The .612 files stayed to provide a little extra zing to the browser. Overall, you can expect a fast build that's very stable, not buggy, and will have great power management. It is important to keep in mind that the first couple reboots will take a lot longer than normal. Also, battery life will not be good until the device settles which usually takes 24-48 hours.

Help Screen (alt+shift+h) and about screen will both read as App Version 5.0.0.643

Please post your comments and feedback! ENJOY!