Samsung Ads 1st Screen Auto Play Video ads are horizontal 21:9 video clips, measured at 1920×1080 px, up to 300 MB per file, up to 30 seconds long, delivered as MP4. They run in the 1st Screen / Native TV Ads (2016–2019 TVs) placement on Samsung Ads.
| Dimensions | 1920 × 1080 px |
|---|---|
| Aspect ratios | 21:9, 16:9 |
| Orientation | landscape |
| Max file size | 300 MB |
| File types | MP4 |
| Max duration | 30 sec |
|---|
Static default banner: 480×270 (16:9), ≤500 KB, .jpg (recommended) or .png, min 18 px font, no border, CTA 25-char limit (incl. spaces). Video: recommended 1920×1080 or 1280×720, 21:9 or 16:9, .mp4, ≤300 MB, 15–30 s recommended. Video title 25 chars, description 40 chars, end card / overlay messaging 20 chars (optional for interactive video). Video title, description, and CTA required for Click to Video experiences.
Official source: https://help.samsungads.com/docs/creatives