Which iPhone is supported for the longest iOS upgrade? List of vintage and obsolete iPhones in 2021

Apple regularly releases new iOS upgrades that fix any bugs and security flaws to keep users' devices running smoothly. So how long does Apple provide updates to iPhones and which iPhones get the longest iOS upgrade support?

Which iPhone is supported for the longest iOS upgrade?

The first iPhone released in 2007 was supported by Apple until 2010 and iPhone 3G in 2008 until 2011.

iPhone 4S launched in 2011 can run operating systems up to iOS 9, last updated in 2019.

iPhone 5S and iPhone 6 run iOS 12, which was last updated by Apple in July 2020.

According to information on its website, Apple can support products for up to seven years, subject to parts availability.

The iPhone that has been supported for the longest iOS upgrade is the iPhone 6S. This device launched in 2015, so far still supports iOS 14 and now the latest iOS 15.

Outdated iPhones

Obsolete iPhones are iPhones that were discontinued by Apple more than seven years ago, so the hardware service is no longer available.

List of obsolete iPhones in 2021:

1. Iphone
2. iPhone 3G and 3GS
3. iPhone 4 CDMA and GSM

Classic iPhone

Classic iPhones are iPhones that haven't been sold for more than 5 years less than 7 years. These devices, if they still have access to the necessary parts, will still be serviced by Apple.

List of classic iPhones in 2021:

1. iPhone 4S
2. iPhone 5
3. iPhone 5C