
If your Xiaomi Poco X3 series phone has low sound, distorted ringtone audio, or no ringing at all, the ringer (loudspeaker) module may be faulty. In this guide, we’ll show you how to replace the ringer speaker safely at homeusing basic tools.
This DIY repair guide is compatible with Poco X3 NFC, Poco X3, and Poco X3 Pro, as these models share a similar internal layout. Follow each step carefully to restore loud, clear sound to your device.
Compatibility and Model Numbers
Model Numbers : MZB07Z0IN, MZB07Z1IN, MZB07Z2IN, MZB07Z3IN, MZB07Z4IN, MZB9965IN, M2007J20CI, M2007J20CG, M2007J20CT, M2102J20SG, M2102J20SI
How to Find Tools and Parts
Protect Your Poco X3 Series
Turn off the phone completely. Remove the SIM tray using a SIM eject tool.
Gently heat around the edges of the back cover to soften the adhesive.
Create a small gap with a suction cup and slide a plastic pry tool around the edges to cut the adhesive. Carefully lift off the back cover.
Unscrew 11 Phillips screws securing the board frame. Lift and remove the frame carefully.
Unplug the battery connector first to avoid short circuits during the repair.
Locate the ringer speaker module at the bottom of the phone.
Unscrew and lift out the ringer speaker cover/module gently from the body.
Place the new ringer speaker module into the housing, ensuring proper alignment and contact with the board.
Reposition the board frame and secure it using 11 screws. Reconnect the battery connector.
Before closing the device, check if the back cover has enough adhesive.
Press the back cover firmly and use binding clips or rubber bands to keep it tight for a few minutes.
Q: Is the ringer speaker the same for Poco X3 NFC and X3 Pro?
A: Yes, the ringer speaker design is compatible across Poco X3 NFC, Poco X3, and Poco X3 Pro.
Q: Will this fix call audio issues?
A: No. Call audio uses the earpiece speaker. This repair only fixes loudspeaker/ringtone issues.
Q: Can software cause ringer speaker problems?
A: Rarely. Most ringer issues are hardware-related, especially after drops or water exposure.
Q: No sound after replacement
A: Check if the speaker contacts are aligned and the board frame is tightened correctly.
Q: Sound is still low or distorted
A: Make sure the speaker grill is clean and not blocked by dust or adhesive.
Q: Phone does not power on
A: Recheck the battery connector and ensure no flex cables were disturbed.
Replacing the ringer speaker on Poco X3 series phones is a practical DIY repair that can bring your phone’s sound back to life. Work slowly, use proper tools, and always disconnect the battery first for safety.
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