fThis app uses special sounds to help push out water
Sticky Tape Method
Wrap sticky tape around your finger with the sticky side facing out and gently tap on the speaker area. This way, the dust will come off easily.
Toothpick or Needle Cleaning
Carefully try to remove dust from the speaker using a needle or toothpick. This method is good, but it is very sensitive.
Dry Cloth Wiping