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How to Replace a Phone Rear Housing
The rear housing is the structural back frame that forms the phone's skeleton. Cracks in the housing — particularly around the camera module area — can cause camera alignment failure and water seal loss. Replacing the rear housing is a major teardown requiring most internal components to be transferred.
What You Will Need
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Replacement rear housing (model-specific)
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Full screwdriver set (Phillips, Torx, Pentalobe)
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Plastic pry tools and spudger
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Tweezers
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Heat gun
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Adhesive strips
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Isopropyl alcohol
Step 1 — Full Device Teardown
This repair involves removing every internal component: battery, motherboard, cameras, speaker, charging board, and all flex cables. Work systematically, photographing each stage before disconnecting anything. Label and store screws by position — mixing screw sizes is a common cause of post-repair damage.
Step 2 — Transfer the Motherboard
The motherboard is the most critical component. Remove it last and handle it by edges only. Place it in an anti-static bag when not being handled.
Step 3 — Transfer All Other Components
Move the battery, cameras, speaker, charging board, vibration motor, and all antenna cables to the new housing. Follow the original routing paths for all cables — incorrect routing causes pinching and premature flex cable failure.
Step 4 — Reassemble in Reverse Order
Rebuild the phone inside the new housing following your photographs in reverse order. Connect all flex cables before fitting each overlying component. Double-check every screw is in the correct position.
Step 5 — Test Comprehensively
Power on and test every function: screen, touch, cameras, speaker, microphone, charging, Wi-Fi, Bluetooth, fingerprint, and cellular signal. A rear housing replacement touches every component and any function failure requires retracing the assembly steps.
