Don't Want to Upgrade to iOS 26? Here's How to Stay on iOS 18 [Update: Now Unavailable]

Since the beginning of December, Apple has been pushing iPhone users who opted to stay on iOS 18 to install iOS 26 instead.
Techno-Science.net

iOS 26 Supported Devices: Which iPhones Will Get iOS 26

Apple iOS 26 will be available on all iPhone 11 or later models, including the 1st and 2nd generations of SE models. You can download and install iOS 26 developer ...

iOS 26.2—Update Now Warning Issued To All iPhone Users

Apple has released iOS 26.2, fixing 26 iPhone flaws, two of which are already being used in real-life attacks. Here's what you need to know.
CNET

Need to Upgrade to iOS 26? Check and See if Your iPhone Is Supported

With more than a decade of experience, Nelson covers Apple and Google and writes about iPhone and Android features, privacy and security settings, and more. Apple has officially rolled out iOS 26.2, ...