Restoration of a Damaged iPhone 11 Pro Max

Introduction

• Objective: Resurrect an iPhone 11 Pro Max bought for $100 AUD (~$75 USD).
• Condition: Completely destroyed - broken back glass, bent frame, screen popping out.
• Cause of damage: Phone wedged into a bed frame and got jumped on.
• Initial test: Does not light up, but draws 1 amp of current indicating a possible charge.

Preliminary Steps

• Determine Charging Status:
  • Do not use a computer to avoid misdiagnosing as dead due to iOS updates.
  • Used an amp meter to verify charging status.

Ordering Parts

• New rear housing
• New frame
• New display

Disassembly Process

1. Removing Display:

• Two pentalobe screws removed from the bottom.
  • Easier to lift display due to existing damage.
  • Used a plastic pick, no heat or suction cup needed.
  • Removed three brackets, five cables - requires tri-wing screwdriver.

2. Disconnecting Battery & Display:

• Connected replacement display to test before proceeding.
  • Phone booted successfully after charging.

3. Further Disassembly:

• Rear cameras: One bracket, several flex cables.
  • Face ID module: Careful removal to avoid damage.
  • Logic board: Removed three screws and SIM tray.
  • Charging port, speaker, and Taptic engine: Numerous screws.
  • Battery: Removed using adhesive strips.
  • Tiny components: Antenna assembly, power button, rear microphone, flash, etc.

Challenges and Techniques

• Adhesive and Screws:
  • Multiple screw types; require frequent bit changes.
  • Strong adhesive on battery strips, use isopropyl alcohol for easier removal.
• Precision Work:
  • Mesh, plastic spacers, retaining brackets, antenna flex cable removal.
  • Clean and apply new adhesive for wireless charging coil.

Reassembly

• Installing New Components:
  • Buttons, SIM tray, wireless charging coil, volume controls, retaining clips, etc.
  • Refastening screws and aligning components.
• Testing and Final Assembly:
  • Tested phone to ensure functionality before final assembly.
  • Installed new water-resistant seal.
  • Reconnected display, battery, and secured all components.

Final Steps

• Software Setup:
  • Restored phone to factory settings.
  • Set up Face ID, True Tone functionality confirmed.

Conclusion

• Total Cost: $412 AUD (~$313 USD).
• Market Value: $950 - $1,100 AUD.
• Profit: Minimum saving of $538 AUD, considerable profit after repair.
• No non-genuine display warning message, possible reasons discussed.
• Encouraged users to subscribe and visit the website for tools and tips.