Wrt610n V2 Firmware -

Go to > Firmware Upgrade in the router's web UI.

Custom firmware unlocks advanced features like VPN servers (OpenVPN/PPTP) and improved wireless stability. Linksys WRT610N v2.0 - [OpenWrt Wiki] Techdata Wrt610N V2 Firmware

Official firmware provides basic stability but lacks modern security features like disabling SIP ALG, which is only available in V2 models. Standard builds include v2.00.01.015 . Go to > Firmware Upgrade in the router's web UI

Access the web interface, navigate to Connectivity > Details under Firmware Update. Upgrade Process: Download the firmware from a repository like SourceForge . Wrt610N V2 Firmware