First and foremost, it's important to clarify that no iPhone will literally stop functioning in 2025. Even older models like the iPhone 6 can still operate and perform basic tasks such as making calls, sending texts, and browsing the internet. However, Apple periodically discontinues iOS updates for older devices, meaning these models will no longer receive the latest software updates, security patches, or new features. This can have implications for performance, security, and app compatibility over time.
iOS updates are crucial for ensuring that your iPhone runs smoothly and securely. These updates often include new features, bug fixes, and optimizations that enhance the user experience. Most importantly, iOS updates address security vulnerabilities, ensuring that your device is protected against the latest threats. When Apple ends iOS support for a particular model, that device will no longer receive these important updates, which can lead to performance issues and increased security risks over time.
Even after an iPhone stops receiving the latest iOS updates, Apple may continue to provide security updates for a limited time. These updates specifically address critical security vulnerabilities, ensuring that your device remains protected against emerging threats. However, once a device stops receiving both iOS and security updates, it becomes increasingly vulnerable, as it no longer benefits from Apple's ongoing security enhancements.
There’s a distinction between iPhones that are no longer upgradable to the latest iOS version and those that have stopped receiving security updates.
| Model | Release Date | iOS End Date | Final iOS Version | Last Security Update |
|---|---|---|---|---|
| iPhone 4s | October 14, 2011 | September 2016 | iOS 9.3.6 | July 2019 |
| iPhone 5 | September 21, 2012 | September 2017 | iOS 10.3.4 | July 2019 |
| iPhone 5c | September 20, 2013 | September 2017 | iOS 10.3.3 | July 2019 |
| iPhone 5s | September 20, 2013 | September 2019 | iOS 12.5.7 | January 2023 |
| iPhone 6 / 6 Plus | September 19, 2014 | September 2019 | iOS 12.5.7 | January 2023 |
| Model | Release Date | iOS End Date | Final iOS Version | Last Security Update |
|---|---|---|---|---|
| iPhone 6s / 6s Plus | September 25, 2015 | August 2022 | iOS 15.8.3 | March 2025 |
| iPhone SE (1st Gen) | March 31, 2016 | August 2022 | iOS 15.8.3 | March 2025 |
| iPhone 7 / 7 Plus | September 16, 2016 | August 2022 | iOS 15.8.3 | March 2025 |
| iPhone 8 / 8 Plus | September 22, 2017 | September 2023 | iOS 16.7.10 | March 2025 |
| iPhone X | November 3, 2017 | September 2023 | iOS 16.7.10 | March 2025 |
| iPhone XS / XS Max | September 21, 2018 | May 2025 | iOS 18.5 | May 2025 |
| iPhone XR | October 26, 2018 | May 2025 | iOS 18.5 | May 2025 |
| Model | Release Date | iOS Version at Launch | Support Latest iOS | Receiving Security Updates |
|---|---|---|---|---|
| iPhone 11 | September 20, 2019 | iOS 13 | Yes | Yes |
| iPhone 11 Pro / 11 Pro Max | September 20, 2019 | iOS 13 | Yes | Yes |
| iPhone SE (2nd Gen) | April 24, 2020 | iOS 13 | Yes | Yes |
| iPhone 12 Mini / 12 | October 23, 2020 | iOS 14 | Yes | Yes |
| iPhone 12 Pro / 12 Pro Max | November 13, 2020 | iOS 14 | Yes | Yes |
| iPhone 13 Mini / 13 | September 24, 2021 | iOS 15 | Yes | Yes |
| iPhone 13 Pro / 13 Pro Max | September 24, 2021 | iOS 15 | Yes | Yes |
| iPhone SE (3rd Gen) | March 18, 2022 | iOS 15 | Yes | Yes |
| iPhone 14 / 14 Plus | September 16, 2022 | iOS 16 | Yes | Yes |
| iPhone 14 Pro / 14 Pro Max | September 16, 2022 | iOS 16 | Yes | Yes |
| iPhone 15 / 15 Plus | September 22, 2023 | iOS 17 | Yes | Yes |
| iPhone 15 Pro / 15 Pro Max | September 22, 2023 | iOS 17 | Yes | Yes |
Reference:
Apple Security Releases https://support.apple.com/en-us/100100
Apple iOS: https://www.apple.com/os/ios/
If you own an iPhone that is no longer upgradable to the latest iOS 26 or has stopped receiving security updates, it’s advisable to consider an upgrade. While these devices can still perform basic functions, they are at greater risk of security threats and may become less compatible with new apps over time.
It’s important to note that upgrading to a newer model doesn’t necessarily mean buying the latest iPhone. Certified Used or Refurbished iPhones are excellent alternatives that offer the latest iOS support and security updates at a lower cost. These models are thoroughly tested and certified to ensure they meet high-quality standards, providing a reliable and affordable option for those looking to upgrade.
If you’re considering an upgrade, here’s a list of iPhone models that currently support the latest iOS 26 and receive security updates from Apple:
We recommend getting an iPhone 11. The iPhone 11 supports the latest iOS and has a significant hardware upgrade compared to the iPhone XR and XS.
When upgrading, it’s crucial to understand the difference between a Used iPhone and a Certified Used iPhone. A Used iPhone is typically sold as-is by an individual or reseller, often without any guarantees about its condition or functionality. These phones might have defects, wear and tear, or even hidden issues that the seller may not disclose.
On the other hand, a Certified Used iPhone is thoroughly tested, inspected, and refurbished by professionals to meet specific standards. These phones often come with warranties, ensuring that you’re getting a device that functions like new, without the risks associated with buying a regular used phone. Certified Used iPhones offer a balance between affordability and reliability, making them an excellent choice for those looking to upgrade.
UpTrade offers an easy and reliable platform to upgrade your iPhone. With a wide selection of certified refurbished models at competitive prices, you can find a device that suits your needs and budget. Every phone undergoes rigorous testing to ensure quality, providing you with peace of mind with your purchase. Check out the price of Certified Used iPhones and find the best deal for you.
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