Foxwell NT650 owns 13 kinds of service reset functions without diagnostic & scan functions. Foxwell NT644 Pro is a diagnostic and service reset tool (without ABS& SRS functions that NT650 has). Foxwell NT624 is an all makes all systems OBD2 EOBD scanner. Generally speaking, NT644 Pro + SRS Airbag Crash Data Reset +ABS, Antilock Brake Reset = Foxwell NT624 + Foxwell NT650.
| Foxwell NT650 | Foxwell NT644 pro | Foxwell NT624 | |
| Mux image |  |
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| Works on almost all electronic systems | × | √ | √ |
| OBDI and OBDII compatiblity | √ | √ | √ |
| Reads and clear codes | √ | √ | √ |
| Reads/records/graphs live sensor data | × | √ | √ |
| Freeze frame data | √ | √ | √ |
| ECU information | √ | √ | |
| Multilingual menu and codes | √ | √ | √ |
| Code troubleshooters | × | √ | √ |
| Hot keys for quick access of data | √ | √ | √ |
| 4.3″ FTF color screen | √ | √ | √ |
| OBDII | √ | √ | √ |
| SAS(Steering Angle Sensor Calibration) | √ | √ | × |
| Odometer Instrument Cluster Initialize | √ | √ | × |
| EPB Electronic Park Brake Reset | √ | √ | × |
| TPMS Tire Pressure Monitoring Sytem Reset | √ | √ | × |
| Camshaft Gear Learning | √ | √ | × |
| ABS, Antilock Brake Reset | √ | × | × |
| CVT Transmission fucntion | √ | √ | × |
| Injector Coding | √ | √ | × |
| DPF Reset | √ | √ | × |
| Oil light Reset | √ | √ | × |
| TPS/TBA(Throttle Body Alignment) | √ | √ | × |
| SRS Airbag Crash Data Reset | √ | × | × |
| BRT Battery Mangement Service | √ | √ | × |
| Carlist | Asia(2003 to now ); European(2001-now ); America(1996-now ); Chinese(2009-now) | all makes of American, Asian, European | all makes of American, Asian, European |
| Language available | Korea, Spanish, Portuguese, French, Thai, Hungarian, Swedish, English, Dutch, Japanese, Italian, Russian, German | 16 languages including English, French, German, Polish, Russian, Spanish and much more | 16 languages including English, French, German, Polish, Russian, Spanish and much more |
| Language as default | One device only with English language, custoner need to tell the dealer the language you need when you order it. | One device only with English language, custoner need to tell the dealer the language you need when you order it. | One device only with English language, custoner need to tell the dealer the language you need when you order it. |
| Update | Free update for lifetime on the official site | Free update for lifetime on the official site | Free update for lifetime on the official site |
