Are Unknown Caller wallpapers free to download?

Yes. Every Unknown Caller backdrop on Moviely is free to preview and download for personal desktop or mobile wallpaper use.

What resolution are Unknown Caller wallpapers?

Unknown Caller wallpapers are available in HD and original quality, with smart resolution suggestions based on your display.

Can I preview Unknown Caller wallpapers on Mac or iPhone?

Yes. Open any Unknown Caller wallpaper in Mac Mode to preview it on a desktop or iPhone lock screen before downloading.

How do I download a Unknown Caller wallpaper?

Open the Unknown Caller page, pick a backdrop, choose your preferred resolution (HD, Full HD, or Original), and click Download.

How long is Unknown Caller?

Unknown Caller has a runtime of 8min.

What is Unknown Caller about?

Lee, a happy young woman in a loving relationship, starts receiving alarming phone calls warning her not to trust her boyfriend Justin. She must decide who she can trust: the partner she thought she knew, or the unkno…

Where can I find cinematic Unknown Caller desktop backgrounds?

Moviely lists 0 free Unknown Caller desktop backgrounds pulled from official widescreen backdrop art.

What is the tagline of Unknown Caller?

The tagline for Unknown Caller is "Would you answer?".

Can I use Unknown Caller wallpapers on an ultrawide monitor?

Unknown Caller wallpapers use cinematic widescreen backdrops that work well on 16:9 and many ultrawide monitors. Use Mac Mode to preview before downloading.

Unknown Caller Wallpapers (4K) — Download Free | Moviely

All Backdrops

0 textless landscape wallpapers · click any to open Mac Mode

8min

No landscape backdrops available.

Vertical backdrops

1 portrait wallpaperfor phone & vertical screens · tap to preview on iPhone

600×800

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Last updated: June 9, 2026

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Quick answers about Unknown Caller wallpapers, downloads, and previews.

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Moviely has 0 free Unknown Caller cinematic wallpapers available to browse, preview in Mac Mode, and download.

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