Does the subject want to ask, "What if the speaker cable of the early education smartphone is broken?"

1. First unplug the external wiring conductor of the mobile phone speaker, and lightly burn the metal conductor with a lighter.

2. Secondly, clean up the residue left by burning above.

3. Then weld the wire, that is, apply a little solder on the wire.

4. The last wire is welded together.