If Nokia X2-02 speaker has low voice or nosie it can be problem of speaker ear piece. If no voice in it that may can be cause of missing or damage parts. The noise can also be due to water damages in Nokia X2-02.
If speaker is not working or have a low voice it can be fault of speaker and housing. Check Nokia X2-02 housing ( body ). All housing have a small whole at the point of ear piece. In some cases rust or dust cover this point and the voice can not reach proper to the mic point so make it clean if there is some dust on it.
After disassambly of Nokia X2-02 look at the motherboard for rust carbon or burren parts. If you found some rust or carbon apply electronics cleaner on the mother board and apply hot air to make it dry proper.
Applying too much heat can damage the mother board and parts.It also can be harm for your skin.So keep in mind about normal heat flow when making it dry.
Check all these tracks that are provided in above diagram to solve speaker problem in Nokia X2-02. In diagram two different color lines are given to identify all parts that are used to solve Nokia X2-02 speaker problem with jumpers.
If some parts are missing or damage apply jumper on these points where small circles are pointing in nokia mic repairing diagram above.
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