Pro 8620 Firmware Downgrade New Verified | Hp Officejet

Delete all pending print documents from your operating system control panel to avoid system freezing.

Troubleshooting

Select your from the list and click Update or Send Firmware . hp officejet pro 8620 firmware downgrade new

I love my OfficeJet Pro 8620: fast color printing, decent scan quality, and a touchscreen that — mostly — behaves. But after a recent firmware update it started acting… different. Slow wake-from-sleep, flaky AirPrint, and a new setting buried in menus that I hadn’t asked for. I tried every standard fix (reset, reinstall drivers, factory restore) before doing something a little risky: I downgraded the printer’s firmware. Here’s the story, why I did it, how I did it, and the trade-offs so you can decide if it’s worth trying.

It started as a small pop-up on Elias’s screen: “Firmware Update Available: Enhanced Security and Performance.” Elias, distracted by a deadline, clicked "Install." Delete all pending print documents from your operating

Welcome to the reality of hundreds of thousands of HP OfficeJet Pro 8620 users in 2025-2026. A wave of automatic firmware updates (specifically versions FDP32A and later) has rendered third-party, remanufactured, and even some older OEM cartridges completely useless.

HP OfficeJet Pro 8620 Go to product viewer dialog for this item. Firmware Downgrade: 2026 Guide If your HP OfficeJet Pro 8620 But after a recent firmware update it started

HP’s firmware from February 2025 implements a hardware fuse. Once blown, you cannot downgrade below version 2.1. Check your current version. If it’s 2.1.7 or higher, the new method above will still work because it exploits the bootloader, not the firmware. But if you see error code during downgrade, your printer is permanently locked.

The most recent firmware (released in Q3 2024) for the 8620 goes beyond ink restriction. According to HP support forums and printer communities (like Reddit’s r/printers and Pranknet), the 2024-2025 firmware does the following:

: Downgrading carries a small risk of "bricking" the printer (making it non-functional) if the process is interrupted. You also lose the latest security patches and bug fixes provided by HP.

After downgrading, hold the button and Cancel button for 5 seconds to disable HP Web Services entirely. No web services = no automatic updates.