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D. Other Defect:
01. No sound when press the key.
I. Make sure the setting is correct. ( enable )
II. Make sure the function of speaker and BGA with good soldering.
III. Make sure the peripheral components of BGA are in good condition.
02. Can’t record
I. Check the MIC function.
II. Check the BGA with good soldering.
03. Cannot read / write from SD card.
I. Check function of SD card.
II. Check the SD slot socket with good soldering.
III. Check the soldering of SD slot socket circuit.