Editing Over-the-air update (section)

{{Short description|Wireless delivery of software updates}}
{{Use British English|date=February 2023}}
An '''over-the-air update''' (or '''OTA update'''), also known as '''over-the-air programming''' (or '''OTA programming'''),<ref>{{Cite book |last=White |first=Elecia |url=https://books.google.com/books?id=bI8w17SyNdYC |title=Making Embedded Systems: Design Patterns for Great Software |date=November 2011 |publisher="O'Reilly Media, Inc." |isbn=978-1-4493-0214-6 |pages=197 |language=en}}</ref> is an update to an [[embedded system]] that is delivered through a [[wireless network]], such as [[Wi-Fi]] or a [[cellular network]].<ref>{{Cite web |title=Definition of OTA |url=https://www.pcmag.com/encyclopedia/term/ota |access-date=2023-04-01 |website=PCMag |language=en}}</ref><ref>{{Cite web |title=Definition of Over The Air |url=https://www.gartner.com/en/information-technology/glossary/ota-over-the-air |access-date=2023-04-01 |website=Gartner |language=en}}</ref><ref name=":0">{{Cite book |last1=Kathiresh |first1=M. |url=https://books.google.com/books?id=PyMrEAAAQBAJ |title=Automotive Embedded Systems: Key Technologies, Innovations, and Applications |last2=Neelaveni |first2=R. |date=2021-04-24 |publisher=Springer Nature |isbn=978-3-030-59897-6 |pages=94–95 |language=en}}</ref> 
These embedded systems include [[mobile phone]]s, [[Tablet computer|tablet]]s, [[set-top box]]es, [[car]]s and [[telecommunications equipment]]. 
OTA updates for cars and [[internet of things]] devices can also be called '''firmware over-the-air''' ('''FOTA''').<ref name=":4">{{Cite book |last1=Maglaras |first1=Leandros |url=https://books.google.com/books?id=QiRAEAAAQBAJ |title=Cybersecurity Issues in Emerging Technologies |last2=Kantzavelou |first2=Ioanna |date=2021-10-14 |publisher=CRC Press (Taylor & Francis) |isbn=9780367626174 |pages= |language=en |doi=10.1201/9781003109952}}</ref><ref>{{Cite book |last1=Rayes |first1=Ammar |url=http://link.springer.com/10.1007/978-3-319-99516-8 |title=Internet of Things From Hype to Reality: The Road to Digitization |last2=Salam |first2=Samer |date=2019 |publisher=Springer International Publishing |isbn=978-3-319-99515-1 |location=Cham |language=en |doi=10.1007/978-3-319-99516-8}}</ref> 
Various components may be updated OTA, including the device's operating system, applications, configuration settings, or parameters like [[Over the Air Rekeying|encryption keys]].