# Galaxy S21 Ultra

> Android window insets, display cutouts, corner radii and screen dimensions for Galaxy S21 Ultra (2021).

Device page: https://windowinsets.info/galaxy-s21-ultra
JSON export: https://windowinsets.info/data/galaxy-s21-ultra.json

Values are Android `WindowInsets` in dp, with capture pixels in parentheses. "Not measured yet" means no capture exists; nothing is estimated. When citing a value, link to the device page.

## Main screen

| Property | Value |
| --- | --- |
| Diagonal | 6.8 in |
| Panel resolution | 1440 × 3200 px |
| Android density | 450 dpi (2.81×) |

### Rotation 0 (natural orientation, portrait)

Window: 384 × 853.33 dp (1080 × 2400 px).

#### Gesture navigation

Measured on Android 14, One UI 6.1. Source: https://github.com/easyhooon/windowinsets.info/blob/main/measurements/galaxy-s/galaxy-s21-ultra/main-gesture.json

| Inset | Top | Right | Bottom | Left |
| --- | --- | --- | --- | --- |
| Safe area (max of system bars and cutout) | 26.67 dp (75 px) | 0 dp (0 px) | 14.93 dp (42 px) | 0 dp (0 px) |
| System bars | 26.67 dp (75 px) | 0 dp (0 px) | 14.93 dp (42 px) | 0 dp (0 px) |
| Status bars | 26.67 dp (75 px) | 0 dp (0 px) | 0 dp (0 px) | 0 dp (0 px) |
| Navigation bars | 0 dp (0 px) | 0 dp (0 px) | 14.93 dp (42 px) | 0 dp (0 px) |
| Display cutout | 26.67 dp (75 px) | 0 dp (0 px) | 0 dp (0 px) | 0 dp (0 px) |
| System gestures | 38.76 dp (109 px) | 29.87 dp (84 px) | 32 dp (90 px) | 29.87 dp (84 px) |
| Mandatory system gestures | 38.76 dp (109 px) | 0 dp (0 px) | 32 dp (90 px) | 0 dp (0 px) |
| Tappable element | 26.67 dp (75 px) | 0 dp (0 px) | 0 dp (0 px) | 0 dp (0 px) |

Display cutout bounds: 20.62 × 26.67 dp at (181.69, 0), 58 × 75 px at (511, 0). This is the OS exclusion rectangle, not a measured camera lens.

#### 3-button navigation

Measured on Android 14, One UI 6.1. Source: https://github.com/easyhooon/windowinsets.info/blob/main/measurements/galaxy-s/galaxy-s21-ultra/main-threeButton.json

| Inset | Top | Right | Bottom | Left |
| --- | --- | --- | --- | --- |
| Safe area (max of system bars and cutout) | 26.67 dp (75 px) | 0 dp (0 px) | 48 dp (135 px) | 0 dp (0 px) |
| System bars | 26.67 dp (75 px) | 0 dp (0 px) | 48 dp (135 px) | 0 dp (0 px) |
| Status bars | 26.67 dp (75 px) | 0 dp (0 px) | 0 dp (0 px) | 0 dp (0 px) |
| Navigation bars | 0 dp (0 px) | 0 dp (0 px) | 48 dp (135 px) | 0 dp (0 px) |
| Display cutout | 26.67 dp (75 px) | 0 dp (0 px) | 0 dp (0 px) | 0 dp (0 px) |
| System gestures | 38.76 dp (109 px) | 0 dp (0 px) | 48 dp (135 px) | 0 dp (0 px) |
| Mandatory system gestures | 38.76 dp (109 px) | 0 dp (0 px) | 48 dp (135 px) | 0 dp (0 px) |
| Tappable element | 26.67 dp (75 px) | 0 dp (0 px) | 48 dp (135 px) | 0 dp (0 px) |

Display cutout bounds: 20.62 × 26.67 dp at (181.69, 0), 58 × 75 px at (511, 0). This is the OS exclusion rectangle, not a measured camera lens.

### Rotation 1 (rotated 90°, landscape)

Window: 853.33 × 384 dp (2400 × 1080 px).

#### Gesture navigation

Measured on Android 14, One UI 6.1. Source: https://github.com/easyhooon/windowinsets.info/blob/main/measurements/galaxy-s/galaxy-s21-ultra/recapture-2026-09-29-rotation/main-landscape-1-gesture.json

| Inset | Top | Right | Bottom | Left |
| --- | --- | --- | --- | --- |
| Safe area (max of system bars and cutout) | 24.18 dp (68 px) | 0 dp (0 px) | 14.93 dp (42 px) | 26.67 dp (75 px) |
| System bars | 24.18 dp (68 px) | 0 dp (0 px) | 14.93 dp (42 px) | 0 dp (0 px) |
| Status bars | 24.18 dp (68 px) | 0 dp (0 px) | 0 dp (0 px) | 0 dp (0 px) |
| Navigation bars | 0 dp (0 px) | 0 dp (0 px) | 14.93 dp (42 px) | 0 dp (0 px) |
| Display cutout | 0 dp (0 px) | 0 dp (0 px) | 0 dp (0 px) | 26.67 dp (75 px) |
| System gestures | 24.18 dp (68 px) | 29.87 dp (84 px) | 64 dp (180 px) | 56.53 dp (159 px) |
| Mandatory system gestures | 24.18 dp (68 px) | 0 dp (0 px) | 64 dp (180 px) | 0 dp (0 px) |
| Tappable element | 24.18 dp (68 px) | 0 dp (0 px) | 0 dp (0 px) | 0 dp (0 px) |

Display cutout bounds: 26.67 × 20.62 dp at (0, 181.69), 75 × 58 px at (0, 511). This is the OS exclusion rectangle, not a measured camera lens.

#### 3-button navigation

Measured on Android 14, One UI 6.1. Source: https://github.com/easyhooon/windowinsets.info/blob/main/measurements/galaxy-s/galaxy-s21-ultra/recapture-2026-09-29-rotation/main-landscape-1-threeButton.json

| Inset | Top | Right | Bottom | Left |
| --- | --- | --- | --- | --- |
| Safe area (max of system bars and cutout) | 24.18 dp (68 px) | 48 dp (135 px) | 0 dp (0 px) | 26.67 dp (75 px) |
| System bars | 24.18 dp (68 px) | 48 dp (135 px) | 0 dp (0 px) | 0 dp (0 px) |
| Status bars | 24.18 dp (68 px) | 0 dp (0 px) | 0 dp (0 px) | 0 dp (0 px) |
| Navigation bars | 0 dp (0 px) | 48 dp (135 px) | 0 dp (0 px) | 0 dp (0 px) |
| Display cutout | 0 dp (0 px) | 0 dp (0 px) | 0 dp (0 px) | 26.67 dp (75 px) |
| System gestures | 24.18 dp (68 px) | 48 dp (135 px) | 0 dp (0 px) | 0 dp (0 px) |
| Mandatory system gestures | 24.18 dp (68 px) | 48 dp (135 px) | 0 dp (0 px) | 0 dp (0 px) |
| Tappable element | 24.18 dp (68 px) | 48 dp (135 px) | 0 dp (0 px) | 0 dp (0 px) |

Display cutout bounds: 26.67 × 20.62 dp at (0, 181.69), 75 × 58 px at (0, 511). This is the OS exclusion rectangle, not a measured camera lens.

### Rotation 3 (rotated 270°, landscape)

Window: 853.33 × 384 dp (2400 × 1080 px).

#### Gesture navigation

Measured on Android 14, One UI 6.1. Source: https://github.com/easyhooon/windowinsets.info/blob/main/measurements/galaxy-s/galaxy-s21-ultra/recapture-2026-09-29-rotation/main-landscape-3-gesture.json

| Inset | Top | Right | Bottom | Left |
| --- | --- | --- | --- | --- |
| Safe area (max of system bars and cutout) | 24.18 dp (68 px) | 26.67 dp (75 px) | 14.93 dp (42 px) | 0 dp (0 px) |
| System bars | 24.18 dp (68 px) | 0 dp (0 px) | 14.93 dp (42 px) | 0 dp (0 px) |
| Status bars | 24.18 dp (68 px) | 0 dp (0 px) | 0 dp (0 px) | 0 dp (0 px) |
| Navigation bars | 0 dp (0 px) | 0 dp (0 px) | 14.93 dp (42 px) | 0 dp (0 px) |
| Display cutout | 0 dp (0 px) | 26.67 dp (75 px) | 0 dp (0 px) | 0 dp (0 px) |
| System gestures | 24.18 dp (68 px) | 56.53 dp (159 px) | 64 dp (180 px) | 29.87 dp (84 px) |
| Mandatory system gestures | 24.18 dp (68 px) | 0 dp (0 px) | 64 dp (180 px) | 0 dp (0 px) |
| Tappable element | 24.18 dp (68 px) | 0 dp (0 px) | 0 dp (0 px) | 0 dp (0 px) |

Display cutout bounds: 26.67 × 20.62 dp at (826.67, 181.69), 75 × 58 px at (2325, 511). This is the OS exclusion rectangle, not a measured camera lens.

#### 3-button navigation

Measured on Android 14, One UI 6.1. Source: https://github.com/easyhooon/windowinsets.info/blob/main/measurements/galaxy-s/galaxy-s21-ultra/recapture-2026-09-29-rotation/main-landscape-3-threeButton.json

| Inset | Top | Right | Bottom | Left |
| --- | --- | --- | --- | --- |
| Safe area (max of system bars and cutout) | 24.18 dp (68 px) | 26.67 dp (75 px) | 0 dp (0 px) | 48 dp (135 px) |
| System bars | 24.18 dp (68 px) | 0 dp (0 px) | 0 dp (0 px) | 48 dp (135 px) |
| Status bars | 24.18 dp (68 px) | 0 dp (0 px) | 0 dp (0 px) | 0 dp (0 px) |
| Navigation bars | 0 dp (0 px) | 0 dp (0 px) | 0 dp (0 px) | 48 dp (135 px) |
| Display cutout | 0 dp (0 px) | 26.67 dp (75 px) | 0 dp (0 px) | 0 dp (0 px) |
| System gestures | 24.18 dp (68 px) | 0 dp (0 px) | 0 dp (0 px) | 48 dp (135 px) |
| Mandatory system gestures | 24.18 dp (68 px) | 0 dp (0 px) | 0 dp (0 px) | 48 dp (135 px) |
| Tappable element | 24.18 dp (68 px) | 0 dp (0 px) | 0 dp (0 px) | 48 dp (135 px) |

Display cutout bounds: 26.67 × 20.62 dp at (826.67, 181.69), 75 × 58 px at (2325, 511). This is the OS exclusion rectangle, not a measured camera lens.

Rotations not listed have no capture of their own; insets are never derived from another rotation.