These language packs are dedicated to Z3310 produced AFTER DECEMBER.
Please take of the battery and see the sticker inside. There is production data on the sticker like this:
Flash tool and instruction: https://drive.google.com/open?id=0B_lwKUeCfjkPbDd5MWZiMFlTYkE
Note: In the last step, you should press number 0 button, NOT number 9 button.
All language packs: https://mega.nz/#F!sXxmRI6C!oG2xtbNG8IQyXDcO2zXDUg
1. Pack One: English, French, German, Italian, Spanish, Russian;
2: Pack Two: English, Polish, Greek, Romanian, Czech;
3. Pack Three: English, Arabic, Spanish, Hungarian, Turkish.