(1) Open up the DX Shodophone and get to the circuit board.
(2) You will see a SMD resistor R4, which is recognizable as a little small black piece with "R4" printed beside it.
(3) Connect (solder) a wire as shown in picture below. This is to bypass R4 and let current (signal) from the processor (sound chip) to flow straight into the speaker.
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I tried to change the speaker initially, after reading from some website that this will work, but it seemed to fail... Then realised there is a resistor before the speaker path, so decide to try... It works!!! My DX Shodophone now is having a sound volume similar to that of the typical DX toys... Nice... Maybe a bit too loud... Will do the mod to my little nephew's DX Shodophone, which he had brought home to play earlier...
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