# IOS 4

> fourth major version of iOS

**Wikidata**: [Q13471026](https://www.wikidata.org/wiki/Q13471026)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/IOS_4)  
**Source**: https://4ort.xyz/entity/ios-4


## References

1. [Source](https://support.apple.com/kb/DL1431?viewlocale=fr_FR&locale=fr_FR)
2. Quora
3. [Source](https://apple.fandom.com/wiki/IOS_4)