transform 3310 to 3315 v5.47 :
1- Flash EEPROM -
http://GSM54.net/tmp/3315eep.zip at 003D0
2- Upgrade phone to 5.47
3- Update FAID, SPUnlock, Restore your IMEI
don't make reset to factory settings : you will lost 3315 Menus
Hope this Help,
Enjoy
Majid