Cisco Catalyst SD-WAN Upgrade Guide

Feature history of cellular modem firmware upgrade

Updated: July 1, 2026

Want to summarize with AI?

Describes the firmware upgrade capabilities for cellular and Wi-Fi modules across various Cisco platforms. This feature enables centralized management of module firmware versions to ensure optimal device performance.

This reference provides a history of firmware upgrade support for cellular and Wi-Fi modules managed via Cisco SD-WAN Manager.

Table 1. Feature History
Feature Name	Release Information	Feature Description
Cellular Modem Firmware Upgrade	Cisco IOS CG Release 17.12.1 Cisco Catalyst SD-WAN Control Components Release 20.12.1	Cisco SD-WAN Manager supports upgrading the cellular modem firmware of the following devices running Cisco IOS CG software: Cisco Catalyst Wireless Gateways (CG113-4GW6) Cisco Catalyst Cellular Gateways (CG522-E, CG418-E)
Cellular Modem Firmware Upgrade for Cisco IOS XE Platforms	Cisco IOS XE Catalyst SD-WAN Release 17.14.1a Cisco Catalyst SD-WAN Control Components Release 20.14.1	Extended support to the following platforms, when equipped with a cellular modem: Cisco ISR1100 and ISR1100X Series Platforms Cisco Catalyst 8200 Series Edge Platforms Cisco Catalyst 8300 Series Edge Platforms
P-LTE-450 MHz Module Firmware Upgrade using Cisco SD-WAN Manager	Cisco IOS XE Catalyst SD-WAN Release 17.18.1a Cisco Catalyst SD-WAN Manager Release 20.18.1	Cisco SD-WAN Manager supports upgrading the P-LTE-450 MHz module firmware on the following platforms: Cisco IR1101 platform Cisco IR1800 Series platforms See the Firmware upgrade for P-LTE-450 MHz modules section.
Wi-Fi Module Firmware Upgrade using Cisco SD-WAN Manager	Cisco IOS XE Catalyst SD-WAN Release 17.18.1a Cisco Catalyst SD-WAN Manager Release 20.18.1	Cisco SD-WAN Manager supports upgrading the Wi-Fi module firmware on Cisco IR1800 platforms.
Firmware Upgrade on Selective Devices with Cellular or Wi-Fi modules	Cisco IOS XE Catalyst SD-WAN Release 26.1.1 Cisco SD-WAN Manager 26.1.1.1	SD-WAN Manager supports choosing specific devices with Wi-Fi or cellular modules for firmware upgrade.

Need help?

Open a support case

(Requires a Cisco Service Contract)

The documentation set for this product strives to use bias-free language. For the purposes of this documentation set, bias-free is defined as language that does not imply discrimination based on age, disability, gender, racial identity, ethnic identity, sexual orientation, socioeconomic status, and intersectionality. Exceptions may be present in the documentation due to language that is hardcoded in the user interfaces of the product software, language used based on RFP documentation, or language that is used by a referenced third-party product. Learn more about how Cisco is using Inclusive Language.