To repair Samsung Galaxy A10 A105F lost speaker, you can first clean the speaker connector contact on the PCB board if there is corrosion and oxidation, then test the speaker with a multimeter for easy determine if the speaker is working or not. If the speaker is confirmed to be ok, you can refer to the solution below and perform the check and test procedure on some components that are linked or connected to the external speaker circuit.
- The speakerphone may be faulty.
- Tiny and distorted sound often occurs when there is dust on the speaker grilles.
- The coils may be faulty.
- There is no continuity between the contacts and the coil.