Replied by Julia on Jan 9, 2019
The difference of the 2 items are as follows，
1.FW 0475 EU Version fixed all unstable problem and errors which FW 0386 had. MCU, EEPROM , Relay, Resistance, Led, Solder, Pin, Capacitor these all are corrected
2. FW 0475 EU Version Adds new components, best usb bridge and relays. Work well with OBD / BDM / Boot / Tricore, However FW 0386 is not good at Tricore.
3. FW 0475 EU Version Adds much more and newer vehicles and ECU protocols than FW 0386
4. FW 0475 EU Version Support more OS : Win XP / Win7 32bit and 64bit / Vista,
FW 0386 can only work well with win xp.
5. FW 0475 EU Version is unlocked version ,You can use it online
FW 0378 must disconnect internet when using.
6. Their the main program of pcb is different .
7. FW 0475 version software is more user-friendly.