: Using a firmware version from a newer software release (e.g., 2021.x) on an older clone board that doesn't support it. Step-by-Step Fixes Provide External Power
This review is based on common user experiences across diagnostic forums (MHH Auto, DK, Digital-Elite) and technical analysis of how the device operates. delphi+ds100e+firmware+update+problem+work
Connect the device to both the and a 12V power source (the vehicle’s OBDII port). Firmware updates often fail if the device is only powered by USB. In the Delphi software, go to Settings > Hardware Setup . Select the correct COM Port and click Test . : Using a firmware version from a newer software release (e