POCO X3 GT Earpiece Speaker Replacement Guide

If your POCO X3 GT or Xiaomi Redmi Note 10 Pro (China) is having call quality issues, such as low volume, distorted sound, or no sound from the earpiece, replacing the earpiece speaker can restore normal audio during calls without needing to replace the entire phone.

In this detailed DIY guide from Geardo, we’ll show you how to safely remove and replace the earpiece speaker, including disassembly, component handling, and reassembly. This guide is beginner-friendly but requires careful handling of flex cables and connectors.

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⭐ Repair Difficulty

★★★☆☆ (3 / 5 — Moderate Difficulty)

Estimated Repair Time: 30 — 45 Minutes
Device Type: Smartphone
Repair Type: Earpiece Speaker Replacement

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Reasons for Earpiece Replacement

• No sound during calls
• Low or distorted sound from the earpiece
• Intermittent audio problems
• Moisture or dust damage inside the earpiece
• Physical damage to the earpiece module

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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 Earpiece Replacement

Step 1 — Power Off the Device

Turn off your POCO X3 GT completely before starting the repair to prevent accidental short circuits.

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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.
3. Insert a plastic pry tool or card and carefully slide around the edges to cut the adhesive.
4. Lift and remove the back cover slowly to avoid cracking.

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Step 3 — Remove the Mid-Frame

1. Remove all screws securing the mid-frame (typically 16 screws).
2. Gently use a plastic pry tool to release the clips around the mid-frame.
3. Disconnect the fingerprint flex cable before fully lifting the mid-frame.
4. Disconnect the battery connector to safely isolate power.
5. Remove the mid-frame completely.

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Step 4 — Remove the Logic Board

1. Disconnect any antenna connectors, secondary flex cables, or modules attached to the board.
2. Carefully lift the logic board out of the housing to access the earpiece module.

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Step 5 — Remove the Faulty Earpiece

1. Locate the earpiece speaker at the top of the device.
2. Gently lift and disconnect the old earpiece from its slot.
3. Take care not to damage surrounding flex cables or connectors.

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Step 6 — Install the New Earpiece

1. Place the replacement earpiece in the same position as the original.
2. Press gently to secure it in the slot.
3. Make sure the connector is properly seated.

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Step 7 — Reinstall the Logic Board

1. Place the logic board back into position.
2. Reconnect all antenna heads, secondary connectors, and flex cables.
3. Ensure the board sits flat and properly aligned.

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Step 8 — Reinstall the Mid-Frame

1. Reconnect the fingerprint flex cable and battery connector.
2. Place the mid-frame over the housing.
3. Secure all screws removed earlier.
4. Press around edges to ensure clips are locked in place.

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Step 9 — Test the Device

Before sealing the back cover:

1. Power on the device.
2. Make a test call to verify that the earpiece speaker works correctly.
3. Check other functions like volume buttons and fingerprint sensor.

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Step 10 — Close the Back Cover

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

Your POCO X3 GT / Redmi Note 10 Pro China earpiece replacement is now complete.

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Frequently Asked Questions (FAQ)

Q1. How do I know if the earpiece is faulty?

No sound during calls, low volume, or distorted audio usually indicates a faulty earpiece.

Q2. Can I replace it myself?

Yes, with patience and proper tools. Handle flex cables carefully to avoid damage.

Q3. Should I test before closing the back cover?

Always test the earpiece and basic functions before sealing the phone.

Q4. Do I need new adhesive?

Yes, if the original adhesive is weak. Proper sealing prevents dust and moisture entry.

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

Yes, including Xiaomi Redmi Note 10 Pro (China) versions.

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Troubleshooting Guide

Q1. Earpiece still not working after replacement?

Check that the connector is seated properly and no debris is blocking the speaker.

Q2. Device not powering on?

Ensure the battery connector is securely attached.

Q3. Fingerprint sensor not responding?

Reconnect the fingerprint flex cable and secure mid-frame clips.

Q4. Back cover not sticking?

Apply fresh adhesive or B7000 glue and press firmly. Leave with binding clips for proper bonding.

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Related Guides

More POCO X3 GT Repair Guides

Check Redmi Note 10/10s Repair Guides