What Is Horizontal Lock?
Horizontal Lock is a gimbal-like video stabilization feature that works inside the Camera app’s Super Steady mode. It keeps footage perfectly aligned with the horizon, no matter how much you tilt, rotate, or move the phone while recording.
The key difference from standard stabilization is that it locks the video to the horizon rather than just smoothing camera movement. This creates that ultra-professional look you’d get from an actual gimbal, without needing external hardware.
How It Works
Achieving this level of stabilization requires heavy lifting on the software side. Horizontal Lock uses aggressive software cropping combined with gyroscope data to realign the video frame continuously. Because of these intensive processing demands, the feature has some trade-offs:
- Maximum resolution capped at 4K 30fps
- Works best with the ultrawide-angle camera for its broader field of view
- Relies on significant cropping to have enough data for realignment
The wider perspective from the ultrawide camera gives the algorithm more information to work with when aggressively cropping the frame.
Where the Evidence Comes From
X user Fahad Ali Javed spotted Horizontal Lock in an internal One UI 9 test build (version DZG4). According to Javed’s report, the feature works exactly as described: video output stays flat and locked to the horizon regardless of phone movement.
This marks the first concrete evidence that Samsung is preparing to backport the feature to older flagship devices.
What This Means for S25 Owners
If Samsung officially releases this update, Galaxy S25 users would get a meaningful boost to their video recording capabilities. The gimbal-like effect would enable much smoother, more professional looking video without external equipment.
The feature could be particularly useful for vloggers, content creators, and anyone recording video in challenging conditions where handheld stability matters.
Still Waiting for Official Word
Samsung has not yet publicly confirmed that Horizontal Lock is coming to the Galaxy S25 series. The appearance in internal test builds is a strong indicator, but it’s not official until Samsung makes an announcement.
Galaxy S25 owners should watch for updates in the coming One UI 9 rollout. If confirmed, this would be a welcome addition to Samsung’s older flagships.
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