Famous for tearing apart gadgets for exploring purposes, ifixit also publishes their free repair manuals. And now, a step by step repair manual for iPhone 4 is also available.

Guide has 10 step by step guides for replacing different components of iPhone 4 that includes:
- Battery
- Dock Connector
- Front Facing Camera
- Front Panel Assembly
- Home Button
- Logic Board
- Rear Camera
- Rear Panel
- Speaker Enclosure
- Vibrator
Check out all guides here

