How the iPhone has changed over a decade

2007 – After being unveiled in January, the first iPhone goes on sale in June in the US and November in Europe. Around 3.4 million units are sold that year.

2008 – On July 11 2008 the second generation iPhone 3G launches. Apple is criticised for maintaining the high price compared with other mobile phones.

2009 – The iPhone 3GS goes on sale in June, and sales for the year reach more than 25 million.

2010 – The introduction of the iPhone 4 includes the first major redesign of the iPhone. However some users report holding the phone a certain way affects their signal, forcing Apple to issue advice on how to hold the phone to prevent phone calls dropping out. Sales rise again to 47.5 million.

2011 – The iPhone 4s is introduced, including voice assistant Siri for the first time. Apple founder Steve Jobs dies the day after the phone is announced, as the 4s then becomes the first iPhone to sell one million units in its first 24 hours.

2012 – The iPhone 5 ushers in another redesign, this time increasing the screen size to 4in for the first time.

2013 – The iPhone 5s, is launched. The first iPhone to include a fingerprint scanner integrated into the home button, known as Touch ID. saturation point and competition from rivals increases, Apple reports several iPhone sales drops during the year. In September the iPhone 7 and 7 Plus are unveiled, with the Plus having a dual rear camera.

2014 – In September the iPhone 6 and 6 Plus are unveiled, offering the iPhone in two sizes. Sales response shatters all Apple records, with four million sold in the first 24 hours. 2015 – Apple records the largest single quarter profit of a private...