Foxwell NT644 Pro Scanner is the upgrade version of Foxwell NT644. It supports more functions than NT644, such as DPF, TBA/TPS and battery configuration. Besides, it adds Holden vehicles from 2004 to 2016.
This is Foxwell NT644 AutoMaster Scanner Upgrade to NT644 Pro scanner Service
If you bought Foxwell NT644 AutoMaster (SC258) want update to NT644 Pro version, can buy this link to upgrade your device to NT644 Pro.