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To change the clock on a supported Samsung Galaxy lock screen, touch and hold the lock screen, unlock the phone if prompted, tap the clock, choose a style, then tap Done. Samsung documents this as the built-in editing route; Good Lock modules offer optional styling and placement controls.
Change the clock with Samsung’s lock-screen editor
- Open the editor: Touch and hold the lock screen. Unlock the phone if Samsung prompts you.
- Select the clock: Tap the clock shown in the editing screen.
- Choose a style: Select one of the styles available on your device.
- Save: Tap Done.
Samsung’s US lock-screen instructions document this flow. The available choices can vary; the support article does not promise the same set of styles on every Galaxy device.
When to use Good Lock instead
If the built-in styles are not enough, Samsung’s regional Samsung Members guidance describes two optional Good Lock modules. Check which modules are available for your device and region before following this route; the guidance is not a universal compatibility list.
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| Route | Best for | What it offers |
|---|---|---|
| Built-in lock-screen editor | A straightforward change to the clock style | Choose an available style and save with Done. Samsung documents the steps in its US support article. |
| ClockFace in Good Lock | More clock appearance options | Samsung Members describes custom digital and analog clock styling for the lock screen and Always On Display, including color customization. Availability depends on device and region; see the regional Samsung Members guidance. |
| LockStar in Good Lock | More control over clock size or placement | Samsung Members describes controls for clock design, size, and position, along with other lock-screen layout elements. Availability depends on device and region; see the regional Samsung Members guidance. |
The same Members post says lock-screen synchronization begins with One UI 7.0. That version detail is about synchronization, not a guarantee that every module feature works on every phone running One UI 7.0.
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If you cannot edit the clock
- The editor does not open: Try touching and holding the lock screen again, and unlock the device if prompted.
- The style or module you want is missing: The standard editor only presents styles available on that device. For additional choices, check whether ClockFace or LockStar appears for your phone and region in Good Lock.
- Adaptive Clock looks wrong: Samsung documents a specific issue on Android 16 / One UI 8 involving outdated Lock Star. For affected users on version 7.0.00.14, Samsung identifies Lock Star 7.0.1.10 as the fix. Samsung also says Adaptive Clock does not support multi-pack backgrounds. These are version-specific details, not a claim that every Galaxy device has Adaptive Clock or this issue. See Samsung’s Adaptive Clock troubleshooting guidance.
Which method should you choose?
Start with the built-in editor for a normal style change. Use Good Lock only if you want extra design or placement controls and the relevant module is available for your device and region. If a specific feature behaves differently than expected, check both your One UI version and the module version; Samsung’s Adaptive Clock guidance illustrates how behavior can depend on those versions.
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