iOS 8.1.1 said to address iPhone 4S and iPad 2 performance problems

https://web.archive.org/web/20210225063324/https://discussions.apple.com/thread/5575236

https://web.archive.org/web/20210226170557/https://discussions.apple.com/thread/5331165

Will Location based reminders work on ios… - Apple Community

battery indicator stuck at 1% - Apple Community

iOS 10 Update Error Causes ‘Plug into iTunes’, Fix Requires iTunes [u]

This 5-second video will crash your iPhone

Apple pulls iOS 8.0.1 update, after killing cell service, Touch ID | ZDNet

iOS 9.3.2 Bricking Some 9.7-inch iPad Pro Devices With 'Error 56' Message [Updated]

iPhones ‘bricked’ as Apple releases iOS 10 (and then rapidly fixes the problem)

New 13.2 Update Bricking Some HomePods [Update Pulled by Apple]

After bricking saga, Apple re-posts iOS 9.3.2 update for 9.7-inch iPad Pro [Updated]

Apple pulls iOS 9.3.2 for 9.7 inch iPad Pro following reports of bricked devices with ‘Error 56’ issue

Apple sued for slowing iPhone 4S with iOS 9 upgrade

Class Action Lawsuit Accuses Apple of Crippling iPhone 4s With iOS 9 Update

Class Action Lawsuit Accuses Apple of Slowing Down iPhone 4s With iOS 9 Update | iPhone in Canada Blog

Some users experiencing bricked HomePod after updating to iOS 13.2 [Update: pulled]

[iOS 14 Problems] Top 18 iOS 14 Update Problems iPhone and How To Fix Them | MiniCreo

Apple

Apple apologizes for iPhone slowdowns and offers $29 battery replacements

New iOS build meant to fix iPhone 4S SIM card issues | AppleInsider

Users report SIM card issues with Apple's iPhone 4S and iOS 5.0.1 | AppleInsider

Beware this ‘fix’ for nasty iOS 9 Game Center bug

Bug forces Apple to delay launch of HealthKit fitness apps

Apple apologizes for Error 53, releases fix

Apple confirms iOS 5 bugs causing battery drain, promises a fix 'in a few weeks'

PSA: iPhone alarms not working come New Year's Day 2011

iPhone DST bug causing alarms to fail across Europe (updated)

Poll: Have you noticed battery improvements after updating to iOS 5.0.1?

PSA: iPhone alarm clock not working again? Time to update