If you choose to proceed, these are the most commonly cited methods for the 8620 model: HP Printer Firmware Downgrade Download - March 2026
: Returns ownership of the hardware functionality to you, rather than letting automated cloud updates dictate your supply choices. Risks and Pre-Requisites Before You Start
Take back control over what supplies you put in your hardware. Prerequisites Before You Begin
Restart both the printer and the computer. Try using a different USB port. hp officejet pro 8620 firmware downgrade new
Wait at least 30 minutes. Firmware updates are slow. If it remains frozen for over an hour, unplug the power cord while the printer is on, wait 60 seconds, and plug it back in. This may force the printer into recovery mode.
, ensure:
Dynamic Security is designed to protect HP's intellectual property and ensure printer reliability. However, its primary practical effect is preventing the use of cartridges using non-HP chips or modified electronic circuitry. When your printer updates automatically via Wi-Fi, it activates this block, instantly rendering functional third-party cartridges useless. Benefits of Downgrading If you choose to proceed, these are the
However, remember: HP is actively monitoring forums. Their next update (expected Q2 2025) may physically disable recovery mode. If you decide to downgrade, do it today. And once downgraded, reconnect your printer to the internet.
firmware is typically performed to bypass "Dynamic Security" updates that block non-HP or third-party ink cartridges. While HP does not officially support downgrading and warns of potential risks like "bricking" the device, users often use specific workarounds to restore compatibility with aftermarket ink.
: Unauthorized firmware changes can void your manufacturer warranty. Typical Downgrade Steps Try using a different USB port
In recent years, HP has made downgrading significantly more difficult. Most official support channels state that downgrading is or officially unsupported. However, technical communities have identified specific methods to force older firmware onto the device.
If you get error code 0xc19a0025 , your printer has blown an electronic fuse. That is the "suicide code" HP uses to brick printers that attempt unauthorized rollbacks.
Select your from the list and click Update or Send Firmware .