Getting started
This document describes the procedure of updating BIOS on an SN-L-Series (SN-L-Series-2200 and SN-L-Series-3200) model firewall to version R1.06.
BIOS can be updated from the SNS firewall’s web administration interface, or in console mode by using a USB drive.
BIOS versions on SN-L-Series firewalls
Depending on when you purchased your SNS firewall, or whether BIOS has been updated, the BIOS version that is currently installed may vary.
| Version | Can be installed on versions | Release notes |
|---|---|---|
| R1.06 | R1.02, R1.05 |
- Instability issues on Intel processors fixed - Monitoring optimized to reduce noise levels from fans |
| R1.05 | R1.02 | - Instability issues on Intel processors fixed |
| R1.02 | - | - Initial version |
| Date | Description |
|---|---|
| January 27, 2026 | Procedures to update BIOS to version R1.06 added. |
| July 22, 2025 | Procedure to update BIOS to version R1.05 from the firewall's web administration interface added. |
| June 12, 2025 |
New document. |