Check phone SKUID before flashing with "IDENTIFY" Use SKUID 600WW with firmwares with 00WW tag, SKUID 600CN for Nokia firmwares with 00CN tag. Exceptions: TAS (SKUID 600TW for 00WW), EVW (SKUID 61KWW for 00WW) Other notable SKUID : 600RU 600E0 600ID Default windows driver for EasyBox cardreader is faulty and it will break Nokia tool "SERVICE" function for smartphones - Nokia tool will be forcible closed during SERVICE operation while phone reboot to factory mode. solution : install cardreader drivers from support area ( n10v105w.exe )