I have moded pdctserver.exe to store input database of fp2 from E/private/2003a945/PersonalDB. which means you wont loose prediction data stored even after a hardreset or flash.Copy file to rofsX/sys/bin and flash or copy to c/sys/bin and reboot (apply c2zbin fix patch)
create a directory manually as follows (if its not created automatically) : E/private/2003a945/PersonalDB and copy your old databse file from C/private/2003a945/PersonalDB to E/private/2003a945/PersonalDB and you can further flash or hardsrest but your storage wont be lost.
small info for curious:
The new Fp2 keyboard handles prediction data differently than older belle devices. The databese is stored in .pdct format in "c/private/2003a945/personalDB". I found some data in inputlib.dll which shows pdctserver.exe paths the database storing. So by modding pdctserver.exe its possible to move predicitions stored and read from E drive.
A simple hack to merge language prediction database in FP2.
To merge two databases you have to just copy all contents from one database into another with hex editor..Screens attached..
After you save the database copy back it to E/private/2003a945/personalDB and reboot.
I was able to merge english database into italian database. However this will work with ALL languages.
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