Here's another ELM327 I got just to see what was inside.
It's a WinnerMicro W600-B800!
and from 0TX:
Test pads and OBD2 connectors traced:
I don't think there's any way to backup the firmware of the W600 so as soon as I try flashing OpenW600, the device is no longer any use as an OBD2 reader. I think I will anyway, even though it cannot be used for much after.
PCB keywords:
V02-1_S 2017-09-28 Ver:1.2
V03WC_M_V1.1 2020-11-18

It's a WinnerMicro W600-B800!



and from 0TX:
Code: Text
Test pads and OBD2 connectors traced:

I don't think there's any way to backup the firmware of the W600 so as soon as I try flashing OpenW600, the device is no longer any use as an OBD2 reader. I think I will anyway, even though it cannot be used for much after.
PCB keywords:
V02-1_S 2017-09-28 Ver:1.2
V03WC_M_V1.1 2020-11-18