V4.02.r11 Firmware Update 'link' <2026>

: Integration for two-way audio and expanded camera brand compatibility through ONVIF protocols.

: Ensure the firmware version matches your specific hardware's "System Info" string (e.g., V4.02.R11.00031095.12001 ) to avoid "bricking" the device. v4.02.r11 firmware update

According to manufacturer release notes for compatible hardware, the update typically includes: : Integration for two-way audio and expanded camera

Before diving into the features, it is helpful to understand what the version string "v4.02.r11" actually signifies. In the context of most firmware architectures: v4.02.r11 firmware update

As mobile apps (such as DMSS or gDMSS) are updated on the App Store or Google Play, they often deprecate support for older firmware protocols. Staying on an old version may eventually render your mobile viewing app useless.