Apple představuje změny, které čekají iOS, Safari a App Store v Evropské unii. Apple Newsroom (Česká republika) [online]. [cit. 2025-03-31]. Dostupné online.
Apple issues iOS 4.2.1 golden master for iPhone, iPad to developers [online]. AppleInsider. Dostupné online.
bbc.co.uk
news.bbc.co.uk
SHIELS, Maggie. Mixed reaction to iPhone update. BBC News. June 9, 2009. Dostupné online.Je zde použita šablona {{Cite news}} označená jako k „pouze dočasnému použití“.
Apple isn’t serious about retro game emulation on iPhone – nor level playing fields for developers. reverttosaved.com [online]. Revert to Saved, 2021-07-21. Dostupné online.
Mobile Operating System Market Share Worldwide. StatCounter Global Stats [online]. [cit. 2025-03-31]. Dostupné online. (anglicky)
theverge.com
iDOS 2 emulator gets App Store takedown notice. The Verge [online]. 2021-07-23. Dostupné online.
Apple opens the App Store to retro game emulators. The Verge [online]. 2024-04-05. Dostupné online.
web.archive.org
Apple Introduces the New iPhone 3G [online]. 2008-06-09 [cit. 2014-06-30]. IPhone 2.0 software will be available on July 11 as a free software update via iTunes 7.7 or later for all iPhone customers. Dostupné v archivu pořízeném dne 2011-05-01.
CaziSoft – More about iPhone 2.2. cazisoft.com [online]. [cit. 30-06-2014]. Dostupné v archivu pořízeném dne 21-07-2009.
Apple’s iOS 4.2 Available Today for iPad, iPhone & iPod Touch [online]. Apple, 22 Nov 2010 [cit. 2014-07-01]. Dostupné v archivu pořízeném dne 2011-05-27.
Apple to Unveil Next Generation Software at Keynote Address on Monday, June 6 [online]. Apple Inc., 2011-05-31 [cit. 2011-05-31]. Dostupné v archivu pořízeném dne 2011-05-31.