Attention: *** = Your language (short) like:
and so on ....
1) Pick up your keychar:
What you have to do is to pick up your favourite keyboard Layout of your language from a Rom you want, located under:
"/system/usr/keychars/" named "vision-keypad-***-kcm.bin"
2) Push it to your Device in Recovery with adb shell to your device :
adb push /PathOfYourFile/vision-keypad-***-kcm.bin /system/usr/keychars/
3) then type in ADB Shell:
chmod 644 /system/usr/keychars/vision-keypad-***-kcm.bin
Now Reboot and let me know if it worked for you