# Phone Layout

![Snake OS Nokia phone shell at boot](/files/Np9D3RMzOOTtVpFKAfN0)

Snake OS is rendered as a faithful Nokia 3310. The structure top-to-bottom:

| Region              | What                                                                  |
| ------------------- | --------------------------------------------------------------------- |
| **Header**          | NOKIA branding + signal/clock                                         |
| **LCD Screen**      | The active app — 18 different screens fit here                        |
| **D-Pad**           | Navigation + snake movement                                           |
| **Softkeys**        | BACK (left) · END/power (right)                                       |
| **Number Keys 1-9** | App shortcuts (see [Number Key Shortcuts](/the-phone/number-keys.md)) |
| **Decorative Row**  | `*`, `0`, `#` — visual only, not interactive                          |

## Phone Sizing

| Platform                | Phone width                              |
| ----------------------- | ---------------------------------------- |
| Desktop                 | Centered, aspect-ratio bounded           |
| Mobile Safari / Chrome  | `min(100vw, 47dvh)` — auto-scales to fit |
| Phantom in-app browser  | Auto-scales                              |
| Solflare in-app browser | Auto-scales                              |

The 47dvh cap ensures all 9 number keys remain visible with tap buffer on every wallet browser. On tight viewports the phone shrinks proportionally and centers with side margins — designed.

## What's Always Visible

* The active app fills the LCD
* D-pad + softkeys + number keys 1-9 are always tappable
* Floating ▤ HOME button appears on mobile when away from home, in case the keypad is clipped


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