Obama famously became the first president in US history to use email and battled with the NSA in 2009 to allow him to keep a BlackBerry, a fight he eventually won although it is allegedly restricted to communicating with just 10 people.
Apple’s iPhone has yet to be certified as secure for government and military use by White House staff, meaning that the president and his staff are restricted from using Apple’s smartphone.
Barack Obama can’t have an iPhone 'for security reasons': The first US president to use email is banned from having an iPhone - forced instead to use a Blackberry limited to 10 people