# KaiOS

> mobile operating system

**Wikidata**: [Q48774201](https://www.wikidata.org/wiki/Q48774201)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/KaiOS)  
**Source**: https://4ort.xyz/entity/kaios

## Summary
KaiOS is a mobile operating system developed by KaiOS Technologies, Inc. in 2017, designed to power feature phones with limited hardware. It is based on the B2G OS (a successor to Firefox OS) and uses web technologies like Gecko and SpiderMonkey for its functionality. The system is optimized for low-end devices, making it accessible to users in emerging markets.

## Key Facts
- **Developed by**: KaiOS Technologies, Inc. (founded in 2016, headquarters in Hong Kong).
- **Inception**: March 1, 2017.
- **Based on**: B2G OS (a community-developed successor to Firefox OS).
- **Uses**: Gecko, SpiderMonkey, XPConnect, Web IDL, and XPCOM for its web-based architecture.
- **License**: GNU General Public License, version 2.0.
- **Platform**: ARM architecture.
- **Versions**: 1.0 (March 2017), 2.0 (July 2017), 2.5 (February 2018), and later patch releases (2.5.1, 2.5.2, etc.).
- **Social media**: Twitter (@kaiostech), Facebook (kaiostech), and a Reddit community (r/KaiOS).
- **Motto**: "Enable tomorrow" (adopted in January 2020).
- **Replaces**: B2G OS as the underlying technology.
- **Languages**: Available in multiple languages, including Arabic, Bengali, and German.

## FAQs
### Q: What devices run KaiOS?
A: KaiOS is primarily used in feature phones, particularly low-cost models from brands like Nokia, Alcatel, and Infinix. It is optimized for devices with limited hardware resources.

### Q: How does KaiOS differ from Android or iOS?
A: Unlike Android or iOS, KaiOS is a lightweight operating system designed for feature phones with minimal RAM (as low as 256MB). It uses web technologies and is optimized for emerging markets.

### Q: Who developed KaiOS?
A: KaiOS was developed by KaiOS Technologies, Inc., a company founded in 2016 with headquarters in Hong Kong.

### Q: What is the latest version of KaiOS?
A: The latest version as of the provided data is KaiOS 3.0, with earlier patch releases like 2.5.4 and 2.5.3.2.

### Q: Is KaiOS open-source?
A: Yes, KaiOS is licensed under the GNU General Public License, version 2.0, making it open-source.

## Why It Matters
KaiOS plays a crucial role in bridging the digital divide by providing a functional mobile operating system for low-end devices. It enables users in developing regions to access essential services like messaging, web browsing, and basic apps without requiring high-end hardware. By leveraging web technologies and open-source principles, KaiOS offers a cost-effective solution for manufacturers and users alike. Its focus on feature phones ensures that even older devices can remain relevant in the digital age, promoting accessibility and affordability in mobile technology.

## Notable For
- **Lightweight Design**: Optimized for feature phones with as little as 256MB RAM, making it accessible to budget-conscious users.
- **Web-Based Architecture**: Uses Gecko and SpiderMonkey, similar to Firefox OS, ensuring compatibility with web applications.
- **Emerging Market Focus**: Targets low-income regions where high-end smartphones are unaffordable.
- **Open-Source License**: GNU GPL v2.0 allows for community contributions and customization.
- **Partnerships**: Collaborates with brands like Nokia and Alcatel to integrate KaiOS into their feature phone models.

## Body
### Overview
KaiOS is a mobile operating system designed for feature phones, developed by KaiOS Technologies, Inc. It was first released in March 2017 and is based on B2G OS, the successor to Firefox OS. The system is built on web technologies, including Gecko and SpiderMonkey, which allow it to run web applications and services efficiently on low-end hardware.

### Development and History
KaiOS Technologies, Inc. was founded in 2016 in Hong Kong. The company's mission is to enable access to digital services for users in emerging markets through affordable feature phones. The first version of KaiOS, 1.0, was released in March 2017, followed by version 2.0 in July 2017. Subsequent updates, including KaiOS 2.5, were released in 2018, with patch releases like 2.5.1 and 2.5.2 following in 2019.

### Technical Specifications
KaiOS is designed to run on ARM architecture and is optimized for devices with limited resources, such as 256MB RAM. It uses a combination of web technologies, including Gecko (the rendering engine from Firefox), SpiderMonkey (the JavaScript engine), and XPCOM for component-based development. The operating system is licensed under the GNU General Public License, version 2.0, making it open-source and allowing for community contributions.

### Market and Adoption
KaiOS is primarily used in feature phones from brands like Nokia, Alcatel, and Infinix. The operating system is marketed as a solution for emerging markets where high-end smartphones are unaffordable. KaiOS Technologies has partnered with these brands to integrate the operating system into their devices, ensuring widespread adoption.

### Social Media and Community
KaiOS has an active presence on social media, including Twitter (@kaiostech) and Facebook (kaiostech). The company also maintains a Reddit community (r/KaiOS) for users to discuss the operating system and share their experiences. The official motto of KaiOS is "Enable tomorrow," reflecting the company's commitment to providing accessible digital services.

### Future Developments
As of the latest data, KaiOS 3.0 is the most recent major release, with ongoing updates and improvements. The operating system continues to evolve, with a focus on enhancing performance, adding new features, and expanding compatibility with existing devices.

```json
{
  "@context": "https://schema.org",
  "@type": "Thing",
  "name": "KaiOS",
  "description": "Mobile operating system designed for feature phones, developed by KaiOS Technologies, Inc.",
  "url": "https://www.kaiostech.com/",
  "sameAs": ["https://www.wikidata.org/wiki/Q28862167", "https://en.wikipedia.org/wiki/KaiOS"],
  "additionalType": "OperatingSystem"
}

## References

1. [Source](https://developer.kaiostech.com)
2. [KaiOS - Betriebssystem für Feature-Phones](https://www.teltarif.de/handy/betriebssysteme/kaios.html)
3. [KaiOS 2.5 to Support Feature Phones With as Little as 256MB RAM. 2018](https://gadgets.ndtv.com/mobiles/news/kaios-2-5-partnerships-256mb-ram-requirement-mwc-2018-1818097)
4. [New Nokia 8110 4G firmware update brings KaiOS 2.5.1/2.5.2](https://nokiapoweruser.com/new-nokia-8110-4g-firmware-update-brings-kaios-2-5-1-2-5-2/)
5. [Source](https://www.teltarif.de/handy/betriebssysteme/kaios.html)
6. [2020](https://www.kaiostech.com/enable-tomorrow-the-next-phase-for-kaios/)
7. [Source](https://developer.kaiostech.com/docs/)