iOS 8 on the iPhone 4S: Performance isn't the (only) problem

New OS wants screen space and processing power that the old phone doesn't have.

A few notes on the iPhone 4S

Will Apple stop supporting iOS on iPhones older than five years old? - Quora

iOS 8 on the iPhone 4S: Performance isn't the (only) problem

iPhone 4S: First Impressions - by Christian Boyce

Apple's Claims of Improved Performance on iPhone 4s and iPad 2 With iOS 8.1.1 Put to the Test - MacRumors

Read this before upgrading your iPhone 4s to iOS 8

Unable to sign in app store on iphone 4s - Apple Community

Here's how much (or little) Apple's iPhone has changed through the years - The Economic Times

Check your iPhone NOW: Apple is cutting support for App Store, Siri and Maps on several smartphones

discussion] hello. i downgraded my iphone 4s to ios 9 to ios 6. works , facebook. but the messenger doesn't work, it's hard to fix. I also installed other tweaks, but the

Question] iphone 4s ios 8.4.1 wont stop booting to safe mode even after deleting the liable tweaks. pls help : r/LegacyJailbreak

iOS 8 review: the iPhone and iPad get customised, extended and deepened, Apple

Apple iPhone 4S Review