Samsung Galaxy Z Fold 5, Flip 5, Fold 4, Flip 4 Receive February 2026 Security Update
Samsung has initiated a new software rollout for its recent generation of foldable smartphones, delivering the latest security enhancements to users. The February 2026 security patch is now becoming available for the Galaxy Z Fold 5, Galaxy Z Flip 5, Galaxy Z Fold 4, and Galaxy Z Flip 4, reinforcing the devices' defenses against potential threats.
Update Details and Initial Rollout
The update incorporates the February 2026 Android security maintenance release (SMR). This patch is reported to address a total of 37 security vulnerabilities discovered within the Android operating system and Samsung's own software layers. By applying this update, these foldable devices gain improved protection against exploits that could compromise user data or device functionality.
The deployment has commenced in Samsung's home market of South Korea. Devices in the region are receiving the update with specific firmware version identifiers: F946NKSS6FZB2 for the Galaxy Z Fold 5, F731NKSS6FZB2 for the Galaxy Z Flip 5, F936NKSS7IZB2 for the Galaxy Z Fold 4, and F721NKSS7IZB2 for the Galaxy Z Flip 4.
Global Availability and Installation
Following the company's typical update pattern, the release in South Korea serves as the precursor to a broader global rollout. Owners of these devices in other countries can expect the update to arrive on their phones within the coming days, barring any carrier-specific delays.
To manually check for and install the update, users should navigate to Settings > Software update > Download and install on their device. It is recommended to connect to a Wi-Fi network and ensure the device has sufficient battery life before proceeding with the download and installation process.
Future Software Roadmap
This security update arrives as these devices remain on the roadmap for more substantial software upgrades. The Galaxy Z Fold 5, Flip 5, Fold 4, and Flip 4 are all eligible to receive the upcoming One UI 8.5 update. Samsung is anticipated to begin distributing that major feature update to these models in the subsequent weeks, following this routine security maintenance.
Conclusion
The release of the February 2026 security patch for Samsung's 2023 and 2022 foldables underscores the company's ongoing commitment to supporting its premium smartphone lineup. For users, promptly installing this update is a straightforward yet critical step in maintaining device security. The continued delivery of such updates, alongside the promise of the forthcoming One UI 8.5, helps preserve the longevity and value of these innovative foldable devices in a rapidly evolving mobile landscape.