How to: Replace the iPhone 4 Power and Lock Button
iPhone 4 Repair - iFixit
iPhone 4s Repair - iFixit
How To: Replace iPhone 4 Screen (Display Assembly)
Ifixit.LK
iPhone 4 deconstructed; antenna design a “work of genius”
Ifixit.LK
Why did iFixit downgrade its score for the iPhone 14? Bad software makes it impossible to repair
Everyone Is a Genius: Apple Will Offer Parts and Tools for DIY Repairs
iPhone4 illustration for iFixit.com
We demand our Right to Repair, iFixit tells FTC - General Discussion Discussions on AppleInsider Forums
iPhone 4 Repair - iFixit