POCO X3 GT Camera Replacement Guide

If your POCO X3 GT is experiencing issues with the front or rear cameras, such as blurry images, camera not detected, or black screens when opening the camera app, replacing the faulty camera module can restore full camera functionality without needing a full device replacement.

This step-by-step DIY guide from Geardo will show you how to safely replace the front or rear camera modules, including careful disassembly, handling of flex cables, and proper reassembly. The guide is suitable for beginners who are patient and have the right tools.

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⭐ Repair Difficulty

★★★★☆ (4 / 5 — Moderate Difficulty)

Estimated Repair Time: 40 — 60 Minutes
Device Type: Smartphone
Repair Type: Front & Rear Camera Replacement

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Reasons for Camera Replacement

• Camera app showing black screen
• Blurry or distorted images
• Front camera not detected
• Rear camera malfunction (wide, ultrawide, macro)
• Physical damage to lens or module
• Moisture or dust damage inside camera housing

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Before You Begin

Compatibility and Model Numbers

• POCO X3 GT 
• Xiaomi REDMI NOTE 10 Pro 5G (China)

Model Numbers : 21061110AG, 

Tools Required

• Mobile phone heating pad or hairdryer/heat gun
• Plastic pry tool / card pry
• Suction cups
• Phillips #00/#000 screwdrivers
• Torx (T2/T3/T4) screwdrivers (Region Based)
• Flathead screwdriver
• Tweezers (for connectors)
• B7000 glue or double-sided adhesive (for back cover)
• Rubber bands or bonding clips to secure the back cover

How to Find Tools and Parts

• Heating pad – https://amzn.to/3H0tHzJ
• Portable Heat Gun – https://amzn.to/4mszih1
• Clamps https://amzn.to/3GYJT4w
• STREBITO 142 Piece Repair Tool Kit https://amzn.to/3UO1jUx
• Glue | Adhesive https://amzn.to/46exVxe
• Compatible Parts –
  • Battery – https://amzn.to/4cE2oIH
  • Screen – https://amzn.to/3OifDox
  • Other Parts – https://amzn.to/40iRHDU
• Silicone Work Repair Mat https://amzn.to/45Emz5l

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Step-by-Step Camera Replacement

Step 1 — Power Off the Device

Completely turn off your POCO X3 GT before starting. This prevents accidental short circuits while handling internal components.

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Step 2 — Remove the Back Cover

1. Heat the edges of the back cover gently using a heating pad, heat gun, or hair dryer to soften the adhesive.
2. Use a suction cup to create a small gap between the rear cover and frame.
3. Insert a plastic pry card and carefully slide around the edges to cut the adhesive.
4. Lift and remove the back cover slowly to prevent cracking.

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Step 3 — Remove the Mid-Frame

1. Remove all screws securing the mid-frame (typically 16 screws across the top and bottom).
2. Use a plastic pry tool to gently release the plastic clips around the mid-frame.
3. Disconnect the fingerprint flex cable carefully before lifting the mid-frame.
4. Disconnect the battery connector to isolate power safely.
5. Remove the mid-frame completely.

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Step 4 — Remove the Front Camera

1. Locate the front camera module at the top center of the logic board.
2. Disconnect the flex cable carefully.
3. Lift and remove the front camera from the device.

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Step 5 — Remove Rear Cameras

POCO X3 GT has three rear cameras:

1. Start with the wide camera (main).
2. Then remove the ultrawide camera.
3. Finally, remove the macro camera.

Carefully disconnect each camera’s flex cable and lift the modules out of the housing.

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Step 6 — Install the New Camera Modules

1. Place the replacement front camera in its slot and reconnect the flex cable.
2. Place the replacement rear cameras in the correct order (wide, ultrawide, macro) and connect their flex cables securely.
3. Ensure all cameras sit flat and aligned properly on the logic board.

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Step 7 — Reconnect Fingerprint & Battery Plugs

Reconnect the fingerprint flex cable and battery connector to the board. Double-check connections for proper seating.

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Step 8 — Reinstall the Mid-Frame

1. Place the mid-frame carefully over the device.
2. Secure all screws removed earlier (13 screws).
3. Press edges to ensure clips are locked properly.

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Step 9 — Test the Device

Before sealing the back cover:

1. Power on the phone.
2. Open the camera app and test both front and rear cameras.
3. Confirm autofocus, flash, and video recording work correctly.

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Step 10 — Close the Back Cover

1. Inspect the back cover adhesive. If weak, apply B7000 glue or new double-sided adhesive.
2. Press the back cover evenly around the edges.
3. Use binding clips or rubber bands to hold it in place until the adhesive sets.

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Frequently Asked Questions (FAQ)

Q1. How do I know if the camera module is faulty?

The camera may show a black screen, fail to focus, or be undetected by the software.

Q2. Can I replace just the front or just the rear cameras?

Yes, you can replace only the faulty module. Follow the same steps for the specific camera.

Q3. Should I test the cameras before closing the back cover?

Always test functionality to ensure proper installation.

Q4. Do I need new adhesive for the back cover?

Yes, especially if the original adhesive is weak. Proper sealing prevents dust and moisture from entering.

Q5. Is this replacement compatible with all POCO X3 GT variants?

Yes, including Xiaomi Redmi Note 10 Pro China version.

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Troubleshooting (After The Repair)

Q1. Camera not detected after replacement?

Check that the flex cables are securely connected and free of debris.

Q2. Autofocus or flash not working?

Reconnect the camera module flex and logic board connectors carefully.

Q3. Back cover not sticking properly?

Use fresh adhesive or B7000 glue, and press firmly. Leave with binding clips or rubber bands until secure.

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