Xiaomi Redmi 10 Charging Port Board Replacement Guide (Redmi 10 2022, Prime)

If your Xiaomi Redmi 10 is not charging properly, only charges at a certain angle, or has microphone-related issues during calls or voice recordings, the charging port board may be damaged.
On the Xiaomi Redmi 10, the microphone is integrated into the charging port board, so replacing this board can resolve both charging and microphone problems.

This detailed DIY repair guide shows you how to replace the charging port board on the Xiaomi Redmi 10 safely and correctly, helping restore proper charging, data connection, and microphone functionality.

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Repair Overview

Device Type: Smartphone
Device Model: Xiaomi Redmi 10
Repair Type: Charging Port Board & Microphone Replacement
Estimated Time: 45–60 minutes

Repair Difficulty ⭐⭐⭐☆☆ (3/5)
Moderate difficulty – requires careful handling of flex cables and internal connectors.

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Reasons to Replace the Charging Port Board

You may need to replace the charging port board if you notice any of the following issues:

• Phone not charging or charging intermittently
• Charging cable feels loose
• Device only charges at a certain angle
• No data connection when connected to a computer
• Microphone not working during calls
• Low, distorted, or no audio in voice recordings
• Voice messages not recording properly
• Moisture damage or corrosion on the charging port

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Before You Begin

Compatibility and Model Numbers

• Redmi 10 (2021) 
• Redmi 10 (2022)
• Redmi 10 Prime

Model Numbers : 21061119AG, 21061119DG, 21061119AL, 21121119SG, 22011119UY, 21121119VL, 22011119TI

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
• 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/4o4KC48
  • Screen – https://amzn.to/47AklVA
  • Other Parts – https://amzn.to/48JAWrg
• Silicone Work Repair Mat https://amzn.to/45Emz5l

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✅ Protect Your Redmi 10 Series

• Best Premium Case https://amzn.to/4neZMTd
• Screen Protector https://amzn.to/4qtDKza

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Step-by-Step Xiaomi Redmi 10 Charging Port Board Replacement

Step 1: Power Off the Device

Turn off your Xiaomi Redmi 10 completely before starting the repair.

Step 2: Heat the Back Cover

Gently heat around the edges of the rear cover using a heating pad.
Select the mobile phone heating option and allow the adhesive to soften fully.
Alternatively, you may use a heat gun or hairdryer.

Step 3: Remove the Back Cover

Use a suction cup to create a small opening.
Insert a plastic card or pry tool and carefully cut through the adhesive around the edges.
Lift and remove the back cover.

Step 4: Remove the Camera Lens Frame

Undo five screws securing the camera lens frame.
Remove the camera lens frame carefully.

Step 5: Remove the Midframe Screws

Undo eleven screws securing the midframe.

Step 6: Remove the SIM Tray

Eject and remove the SIM tray from the device.

Step 7: Disconnect the Fingerprint Sensor Flex

Carefully disconnect the fingerprint button flex cable.

Step 8: Separate the Back Cover Frame

Using a plastic pry tool, gently separate the back cover frame.
Work slowly around the edges to disengage the plastic clips.

Step 9: Disconnect the Battery

Disconnect the battery connector to prevent short circuits.

Step 10: Remove the Speaker Cover

Gently pry out the speaker cover from the body.

Step 11: Disconnect Charging Board Cables

Disconnect the antenna cable and LCD connector cable from the charging port board.

Step 12: Remove the Charging Port Board

Carefully pull out the faulty charging port board from the device.

Step 13: Install the New Charging Port Board

Place the new charging port board into position and secure it properly.

Step 14: Reconnect Cables

Reconnect the antenna cable and LCD connector to the new charging port board.

Step 15: Reassemble the Phone

• Reinstall the speaker cover
• Reconnect the fingerprint flex cable
• Reconnect the battery
• Secure the midframe and ensure all clips snap into place
• Insert the SIM tray
• Tighten the eleven midframe screws
• Secure the camera lens frame using five screws

Step 16: Reattach the Back Cover

Check if the back cover has enough adhesive.
If needed, apply B7000 glue or new double-sided adhesive.
Place the back cover and use bonding clips or rubber bands to hold it firmly.
Leave it secured for some time to ensure proper adhesion.

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Frequently Asked Questions (FAQ)

Q1: Will replacing the charging port board fix slow charging?

Yes, if the slow charging is caused by a worn or damaged charging port board, replacing it will restore normal charging speed.

Q2: Do I need to remove the battery for this repair?

You don’t need to remove the battery physically, but disconnecting the battery connector is mandatory for safety.

Q3: Can I reuse the old back cover adhesive?

It’s not recommended. Old adhesive may not hold properly. Use fresh adhesive or B7000 glue.

Q4: Is soldering required for this repair?

No, the Xiaomi Redmi 10 charging port board is modular and does not require soldering.

Q5: Will replacing the charging port board fix microphone issues?

Yes. On the Xiaomi Redmi 10, the microphone is part of the charging port board, so replacing the board will also fix microphone-related problems in most cases.

Q6: My microphone works on speaker mode but not on calls. Is this related?

Yes, this often indicates a faulty bottom microphone, which is integrated into the charging port board.

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Troubleshooting (After Repair)

Q1: Phone not charging after replacement – what should I check?

Ensure the battery connector, antenna cable, and LCD connector are properly seated.

Q2: Fingerprint sensor not working after repair

Recheck the fingerprint flex cable connection and make sure it’s not damaged.

Q3: Phone doesn’t power on after reassembly

Confirm the battery connector is securely connected and the power button flex is intact.

Q4: Back cover not sticking properly

Use additional adhesive and apply bonding clips or rubber bands for a longer period.

Q5: Microphone still not working after replacement

Check that the charging port board is properly seated and not blocked by adhesive. Also ensure no dust is covering the microphone hole.

Q6: Voice recordings are very low after repair

Make sure the microphone opening aligns correctly with the frame and that no glue is blocking the mic port.

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