This is a GB 2.3.7 rom based on CM7. I have left it as stock as possible. Just add some CM7.2 RC3 updates and make it work on v21y March 2012 BB.
Changelog 06-07-12 *added cm7 rc3 updates *removed Miui.us apps *removed gapps *added wifi calling *added v21y support 01-23-13 * fix SD card issue.
To Do List *Change "G" to "4G" *Fix Wifi Calling *Add Scrollable Wigets *Any suggestion?"" * Mount Internal Storage on External SD card folder "_InternalSD" thanks to azyan for letting me know
Credits Miui.us Whitehawkx Guide Rafase282 for his guide and pointing me to it. He is awesome Cyangenmod for there great work. death1246 for is work on mounting the sdcard to _internal If i forget to credit anyone I am sorry please let me know and i will add you.
If you would like to donate please do so to any or all of the credits i have mention there work made this possible for me to do. Without people like them I would have a broke stock phone.
Miui P999 V21y 06-07-12 - Download
I don't have T-mobile Service anymore but still have the phone. It isn't working right now touchscreen cracked. I can't test the rom.
Miui P999 V21y 01-23-13 - Download Mirror #1 removed Do to issue will fix to day
Google apps are post everywhere just find one for GB and use it.