You cannot skip major release versions on Palo Alto hardware. Each "base" version must be downloaded (though not necessarily installed) to provide the foundation for the subsequent version. : Download and install the latest 9.1.x release; reboot. Download (only) 10.0.0 base image. Download and install the latest 10.0.x release; reboot. Download (only) 10.1.0 base image.
Inefficient disk availability or a corrupted downloaded image.
January 31, 2028. Until this final milestone, Palo Alto Networks provides Extended Support for PAN-OS 10.2, including critical bug fixes and vulnerability patches. Operational Impact End-of-Sale (EOS) January 31, 2023 Units can no longer be purchased new from vendors. Final Firmware Cap PAN-OS 10.2 Incompatible with PAN-OS 11.0, 11.1, 11.2, or 12.x. End-of-Life (EOL) January 31, 2028
The PA-220 does not support PAN-OS 11.0 or higher . The final major software release tree supported by the PA-220 is PAN-OS 10.2 . pa-220 firmware
Ensure the management interface has consistent DNS and NTP connectivity to check for new updates.
After the installation completes, the PA-220 will require a reboot.
Keeping your Palo Alto Networks PA-220 Go to product viewer dialog for this item. You cannot skip major release versions on Palo Alto hardware
PA-220 Firmware Upgrade Guide: Securing Your Palo Alto Networks Firewall (2026 Edition)
The most reliable way to upgrade a standalone PA-220 is via the Web Interface. 1. Check for New Versions
: Subscribe to Palo Alto Networks' notifications to stay informed about new firmware releases and critical updates. Download (only) 10
[Legacy 9.1] ──> [Base 10.0.0 + Patch] ──> [Base 10.1.0 + Patch] ──> [Base 10.2.0 + Preferred Patch] Pre-Upgrade Checklist
By following the pre-upgrade checklist, understanding the naming scheme, and knowing how to troubleshoot boot loops and disk space errors, you ensure that your PA-220 continues to deliver 1 Gbps of threat inspection for years to come.
: Before updating the firmware, it's a good practice to back up your device's configuration. This ensures that you can quickly restore your settings in case the update process affects them.
