Samsung Ads 1st Screen Immersive Masthead ads are horizontal 16:9 video clips, measured at 3840×2160 px, up to 300 MB per file, up to 30 seconds long, delivered as JPG, PNG, or MP4. They run in the 1st Screen Unified / Immersive Masthead (2020–2025 TVs) placement on Samsung Ads.
| Dimensions | 3840 × 2160 px |
|---|---|
| Aspect ratios | 16:9 |
| Orientation | landscape |
| Max file size | 300 MB |
| File types | JPG, PNG, MP4 |
| Max duration | 30 sec |
|---|---|
| Video codec | H.264 |
| Frame rate | 30 fps |
| Video bitrate | 66000 kbps |
| Audio codec | AAC or MP3 |
| Call to action | 20 chars |
|---|
1st Screen Unified runs across 2016–2025 TVs with three assets: a Static Masthead, a Launcher Tile, a Logo, and an optional Video. Masthead: 3840×2160, ≤1 MB, .jpg, min 36 px font, no border. Unexpanded view 2200×800, 230 px from left, 0–1104 px from top (advertiser chooses unexpanded top in 16 px increments). Expanded view logo+CTA area 1345×630, 1267 px from top, 0 px from right. Logo: 1120×400, .png (transparent), ≤500 KB, min 36 px font, no border. CTA: max 20 chars (incl. spaces); light or dark theme. Video: 1920×1080, 16:9, .mp4, ≤300 MB, 15–30 s recommended (5–90 s accepted), 6–66 Mbps, max 30 fps, H.264, AAC or MP3. Video title 20 chars max, description 35 chars max; video thumbnail 480×270.
Official source: https://help.samsungads.com/docs/creatives