---
title: "Device Unknown Icon | Free Download PNG & SVG | Sharp Line - Material Symbols"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/device-unknown--29913
canonical_url: "https://www.streamlinehq.com/icons/download/device-unknown--29913"
summary: "Sharp line icon of a question mark inside a device outline. Used for unknown device states and help."
---

# Device Unknown icon

The Device Unknown icon shows a question mark centered inside a rectangular device frame with top and bottom bars. Drawn in the line style on a 24px grid for clear, adaptable UI use. Use it for unidentified hardware, device discovery, troubleshooting, support prompts, and help screens. It belongs to Sharp Line - Material Symbols free set in the Google Material family.

## Preview

![Sharp line icon of a question mark inside a device outline. Used for unknown device states and help.](https://assets.streamlinehq.com/image/private/w_300,h_300,ar_1/f_auto/v1/icons/hardware/device-unknown-4wpb5sxs32bszwenfqt14m.png/device-unknown-73lnldsqtvx6l38q4nud7e.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Device Unknown
- **Type**: Icon
- **Set**: [Sharp Line - Material Symbols](/icons/material-symbols-sharp-line.md) — Material Symbols by Google - free customizable icon set with icons in outlined, rounded, and sharp variants.
- **Family**: [Google Material](/icons/material-symbols.md)
- **Style**: Line, Outlined, Geometric
- **Category**: Hardware › Hardware
- **Default size**: 24px
- **Pricing**: Free
- **License**: [Apache](https://www.apache.org/licenses/LICENSE-2.0.txt)
- **Author**: [Google](https://fonts.google.com/icons)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: device, unknown, Smartphone, Mystery, Help, Inquiry, Mobile, Trouble, Question, Assist, Support, Information, Problem, Query, FAQ

## Download

- [Download Device Unknown on Streamline](https://www.streamlinehq.com/icons/download/device-unknown--29913)

## Also available in other styles

- [Device Unknown — Rounded Line - Material Symbols](/icons/download/device-unknown--29955.md) (Free)
- [Device Unknown — Outlined Line - Material Symbols](/icons/download/device-unknown--30005.md) (Free)

---

[View full sitemap](/sitemap.md)