This guide will explain the important differences between the iPhone 6 (2014), iPhone 6S (2015), iPhone 7 (2016) and iPhone 8 (2017) - and discuss whether you should upgrade. Bluetooth has also moved on from Bluetooth 4.0 (iPhone 6) to Bluetooth 4.2 (iPhone 6S, iPhone 7) and Bluetooth 5.0 (iPhone 8) while peak 4G speeds have increased from 150Mbit (iPhone 6) to 300Mbit (iPhone 6S), 450Mbit (iPhone 7) and 600Mbit (iPhone 8). Tip: the iPhone 6, iPhone 6S, iPhone 7 and iPhone 8 are all eligible for Apple’s $29 discounted battery replacement service which lasts until the end of the year. AppleBottom LineWhile the iPhone 6, iPhone 6S, iPhone 7 and iPhone 8 all look very similar at first glance, they have changed dramatically - both inside and out - on closer inspection. ___Follow Gordon on Twitter, Facebook and Google+More On ForbesWhy Your iPhone Is Slowing DowniPhone X Vs iPhone 8: What's The Difference?

Source: Forbes January 12, 2018 14:03 UTC