Autocom/Delphi Firmware 3201 a specialized update designed primarily for single-board (1PCB) VCI hardware to support software versions from 2020.23 up to 2021.11
. It is widely used for diagnostic scanners like the DS150E and Multidiag Pro+. AliExpress Key Details & Compatibility Hardware Requirement: This firmware is specifically optimized for high-quality single-board units (often labeled V3.0 with NEC relays and 9241A chips). Performance Note: It is reported that firmware 3201 may not work well with double-board VCIs
; users with double-board hardware are typically advised to stick with version 1622 for better connectivity with older software. Vehicle Coverage:
Enhances connectivity for newer vehicle models and addresses previous communication issues with specific brands like BMW and Volvo when used with 2020 software versions. AliExpress How to Install/Update
Firmware files are often bundled with software releases (like 2020.23 or 2021.11) or shared in automotive enthusiast communities like File Placement: autocom firmware 3201 download hot
Copy the downloaded firmware folder into the following directory on your PC: C:\Program Files (x86)\Autocom\Firmware (or the equivalent Delphi folder). Update Device:
Connect your VCI to your PC via USB, open the diagnostic software, go to Settings > Hardware Setup , and click Update Firmware
Ensure your device is connected to a stable power source (12V) during the update process to prevent bricking the hardware. software version (like 2021.11) to pair with this firmware?
The "hot" modifier suggests users are looking for: A direct, fast download link (avoiding official registration
Warning: Downloading firmware from unofficial "hot" sources (file-sharing sites, torrents, Telegram channels) carries high risks:
Even with a "hot" download, you may encounter problems. Here’s how to fix them:
| Problem | Likely Cause | Solution |
|--------|-------------|----------|
| "No interface found" | Wrong COM port or driver not installed | Reinstall driver via Zadig (set to WinUSB or libusb0) |
| Flash fails at 50% | Clone board with incompatible bootloader | Use a different flasher tool (try "CDP Flash Tool v1.5") |
| Vehicle communication error | Firmware corrupted or incomplete | Re-flash with a verified 3201 .bin file from a different source |
| Windows Blue Screen (BSOD) during flash | Old USB 3.0 controller driver | Switch to USB 2.0 port or disable xHCI mode in BIOS |
| Firmware shows 0.00 after flash | Bootloader area overwritten | You need to recover using an external programmer (J-link or ST-Link) |
Pro Tip: If you have a clone, keep a backup of your original working firmware (e.g., 3110) before flashing 3201. This way, you can roll back if needed. consider upgrading to:
Driver folder with cdc-acm.inf. Right-click → Install.If you rely on your Autocom daily, consider upgrading to:
These offer cloud updates and no firmware flashing headaches.
| Problem | Likely Fix |
|---------|-------------|
| PC doesn’t detect device | Try different USB port/cable; reinstall driver |
| Update fails at 50% | Battery low – charge for 2 hours, retry |
| No sound after update | Reset device (press reset pinhole 10 sec) |
| Bluetooth pairing lost | Re-pair in “Entertainment mode” (check manual) |