How to unlock ( needs root ) 

1. Download Plus Donation v1.04 data HERE ( media fire ) or HERE ( zippy share ) 
2. Open Titanium Backup (TB). Tap Options > Preferences. Scroll down , select Compression. Select BZIP2 (slowest, best compression).
3. Extract contents inside "data" folder to TB backup folder.
4. Open TB, tap Options > Refresh apps list
5. Restore Plus donation data. Don't open plus donation key. Just hide it from launcher after restoring data.
6. Done.