Samsung Galaxy Z Fold & Flip Firmware Guide

About the Galaxy Z series

The Samsung Galaxy Z series includes Samsung's foldable smartphones — the Galaxy Z Fold and Galaxy Z Flip. These devices run the latest Android and One UI versions, with foldable-specific software features built into One UI. The Galaxy Z series receives the same update frequency as the Galaxy S series.

Galaxy Z firmware update frequency

Galaxy Z devices receive updates on the same schedule as Galaxy S flagships:

• Security patches: Monthly for supported models.
• Major Android updates: Up to seven years for recent models.
• One UI updates: One major version per year, with foldable-specific features.

Recent Galaxy Z models are eligible for up to seven years of major Android updates and security patches, matching the Galaxy S series commitment.

Foldable-specific firmware

Galaxy Z firmware includes software components that are specific to the foldable form factor:

• Flex Mode: Software features that take advantage of the folding display in a half-folded position.
• Multi-window and taskbar: Enhanced multitasking features designed for the larger foldable displays.
• Cover screen support: Software that manages the external cover display on Z Flip and Z Fold devices.
• Hinge-aware features: Software that responds to the hinge position and folding state.

These foldable-specific features are part of One UI and are updated alongside standard One UI features.

Galaxy Z support duration

Samsung's support policy for the Galaxy Z series matches the Galaxy S series:

• Recent models (from Galaxy Z6 series onward): Up to seven years of major Android updates and security patches.
• Previous models (Galaxy Z4–Z5 series): Up to four years of major Android updates and five years of security patches.
• Older models (Galaxy Z3 and earlier): Three to four years of major updates.

See our guide on how long Samsung supports Galaxy phones for more details.

One UI on the Galaxy Z series

Galaxy Z devices run the same One UI version as Galaxy S devices, plus additional foldable-specific features. Each major One UI release includes improvements to the foldable experience, such as better multitasking, improved cover screen functionality, and new flex mode features.

Recent One UI versions also include Galaxy AI features that are available on Galaxy Z devices, taking advantage of the foldable form factor for AI-powered productivity.

How to find firmware for your Galaxy Z device

To find firmware information for your Galaxy Z Fold or Z Flip:

1. Find your model number in Settings > About phone.
2. Search for your device in our device directory or firmware ledger.
3. Check your CSC code to find firmware specific to your region.
4. Compare your current build number against the records in our ledger.

Checking for Galaxy Z updates

To check for updates on your Galaxy Z device:

1. Go to Settings > Software update.
2. Tap Download and install.
3. Alternatively, use Samsung Smart Switch on a PC or Mac.

See our guide on checking your firmware version for step-by-step instructions.

Galaxy Z firmware and CSC codes

Galaxy Z foldables are sold in fewer regional variants than Galaxy S devices, but CSC codes still determine update timing. Open market CSC codes typically receive updates first, while carrier-specific CSC codes may receive updates later.

Common Galaxy Z firmware questions

Do Galaxy Z foldables get the same updates as Galaxy S?

Yes, Galaxy Z devices receive the same update frequency as Galaxy S flagships, including monthly security patches and early access to major Android and One UI updates.

Are Galaxy Z firmware updates different from Galaxy S?

Galaxy Z firmware includes foldable-specific software components for the folding display and hinge, but the underlying Android version, One UI version, and security patch level follow the same release schedule as Galaxy S.

How long are Galaxy Z foldables supported?

Recent Galaxy Z models are eligible for up to seven years of major Android updates and security patches, matching the Galaxy S series.

SamsungFirmware.com and the Galaxy Z series

Our firmware ledger tracks firmware releases for all Galaxy Z Fold and Z Flip models. Each record includes the build number, Android version, One UI version, security patch level, and release date. Records are labelled Verified, Reported, or Expected.

Browse the Galaxy Z series hub for an overview of all Galaxy Z foldables we track.