Samsung has officially begun rolling out the first software update for its newest flagship Galaxy S26 lineup. While the package brings the expected security enhancements, it also quietly introduces a brand-new data protection tool: Inactivity Restart.

Currently hitting devices in South Korea, Europe, and India, the update (firmware ending in AZC7) includes the February 2026 security patch. This patch addresses over 30 vulnerabilities across the Android OS and Samsung's own software components. However, the real story lies in what’s working behind the scenes.

With this update, Samsung has enabled the "Inactivity Restart" feature by default. Acting as a fail-safe for lost or stolen devices, the feature automatically reboots the phone if it remains locked and unused for 72 consecutive hours.

Why does this matter? Once the device restarts, it enters a heightened security state. It locks down the system and strictly requires a PIN, password, or biometric authentication before granting full access to your data. It’s a clever, silent mechanism designed to thwart unauthorized access if your phone falls into the wrong hands.

While the Galaxy S26 series is the latest to receive this feature, Samsung actually began slipping Inactivity Restart into several other Galaxy devices with the February 2026 rollout.

The update weighs in at around 500 MB, depending on your specific model and region. Users can manually check for it by navigating to Settings > Software update > Download and install.

As a welcome bonus, the Galaxy S26 series supports Seamless Updates. This means the phone downloads and prepares the installation in the background while you continue using it. Once it's ready, a quick reboot is all it takes to finish the job—no more staring at a loading screen for minutes on end.