Solved muffled quiet speaker sound using a earphone cleaning pen

The video show how to use the earphone cleaning pen that comes with a tiny pen nib to break loose dust covering the speaker grill. Use the earphone cleaning pen showed success in removing the dust from the grill of the speaker. The bristle helps removing the residual dust trapped on the grill. Running the bristle located on the earphone cleaning pen up and down along the grill helps removing all dust from the grill.
Product link:
Earphone cleaning pen:
s.lazada.com.m...