Hp Officejet Pro 8620 Firmware Downgrade ⚡ Bonus Inside
Important: third‑party firmware files and unofficial tools carry additional malware and integrity risks. Verify file origin and prefer community-trusted threads (longstanding forum posts) when possible.
You will need a computer (Windows or Mac) connected to the internet.
Follow this guide carefully, and your HP OfficeJet Pro 8620 will print happily with any cartridge you choose—just like it did on day one.
Have you successfully downgraded your 8620? Share your firmware version and experience in the comments below (on our original blog post). If this guide helped you, consider disabling HP auto-updates forever. hp officejet pro 8620 firmware downgrade
To downgrade the firmware on your HP Officejet Pro 8620, you must typically source an older firmware file (such as an .exe for Windows) and manually run it while your printer is connected via USB. Users often seek this to bypass "Non-HP Chip Detected" errors or to use third-party ink cartridges. Step-by-Step Downgrade Process Preparation and Connection
Connect your printer directly to your computer using a USB cable; a wired connection is significantly more reliable than Wi-Fi for firmware changes. Ensure the printer is powered on and in a "Ready" state. Disable Automatic Updates
Before starting, prevent the printer from immediately re-updating. Have you successfully downgraded your 8620
On the printer control panel, go to Settings > Printer Maintenance > Update Printer and set it to Manual or Off. Download Older Firmware Visit the HP Support website and enter your model.
Note: HP primarily hosts the latest versions. If the version you need isn't there, you may need to search for archived versions like FDP1CN1502AR from reputable third-party sources or forums like the HP Support Community. Run the Downgrade Tool Launch the downloaded firmware .exe file on your computer.
The tool will search for your printer and display its serial number. Select the checkbox next to your printer and click Update or Start. Never click “Update Now” or use HP Smart’s
Caution: Do not power off the printer or disconnect the cable during this process, as it can permanently damage (brick) the device. Alternative: Restore Factory Defaults
Before starting, gather the following:
After reboot: