While the official update process is generally smooth, things can go wrong. Here are the most frequent issues reported by users on forums like MHH Auto:
Attempting to update the firmware using only USB power. Many DS100E clones require external 12V power from a vehicle or a bench power supply to flash firmware successfully.
The PC is using default Windows USB drivers instead of the dedicated FTDI drivers required by the DS100E hardware. delphi ds100e firmware update problem link
If your original firmware folder is corrupted, you will need to replace it.
Reconnect 12V external power, use USB, and click Update again. Bad USB driver or wrong COM port. While the official update process is generally smooth,
on how to manually update the USB drivers for your specific Windows version? Delphi DS150E Firmware Upgrade Procedure
Hi everyone,
She explained her idea: a custom script that would fragment the 4.2MB firmware into 127-byte chunks—small enough to survive the problematic link’s corruption patterns. Each chunk would include a Reed-Solomon error correction header. She’d request each chunk three times, vote on the majority-correct data, and reassemble the binary blind.
Many users find compatible firmware files for clone devices on automotive diagnostic forums. The PC is using default Windows USB drivers
If you see a "No VCI" error, manually update the USB serial driver through Device Manager using the drivers in your Delphi installation folder.
