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After a period of use, the smartphone speaker will get dust, lint, and other types of dirt that you cannot see with the naked eye. If it is not cleaned for a long time, it will make a hissing sound. However, before going to the repair shop, you can try a few methods to clean the speaker phone inside and out.
Steps
Remove dirt from speakers with household items
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Locate the speaker on the phone. The iPhone speaker is usually located on the bottom left and right side of the charging port. The Samsung speaker is also located at the bottom, but is usually limited to the left or right side of the charging port. The internal speaker is almost always located at the top of the front of the phone where you normally place your ear to listen.
- Note other speaker locations, such as next to the volume buttons or at the bottom of the front of the phone.
Rub the cotton swab on the outside of the speaker. Swirl gently into the holes of the speaker strip. Continue until the dirt is gone. If the speaker strip holes are large enough, press a cotton swab into each hole. However, don’t press too hard, just let the cotton tip into the opening. After inserting the tip of the cotton swab inside, forcefully move the tip of the toothpick left and right. [1] X Research Source
- Change cotton swabs when they get dirty.
Roll the sticky clay into a small ball and press it into the speaker holes. Take a 2.5cm long piece of sticky clay and shape it into a round shape. Continue kneading until the clay becomes soft and easy to mold. Then press down on the speaker holes. Press just right so the clay can get into the speaker. Hold for 2 to 3 seconds and remove—you’ll see dirt stuck to the clay. Continue to operate until all dirt is removed from the speaker. [2] X Research Source
- Rotate the clay so you can always use its clean surfaces.
- Buy sticky clay from stationery stores or online distributors.
Clean the small speaker grille with a medium-sized toothbrush. Tilt the brush towards the top or bottom of the phone. Hold the brush parallel to the top of the phone and brush up and down. Then rotate the brush vertically (parallel to the side of the phone) and clean by brushing left and right. [3] X Research Sources
- Raise the brush and use the stiff bristles to scrub stubborn dirt.
- Always use a medium brush, because a soft brush won’t be strong enough to remove dirt, and a stiff brush is too thick to get into the small speaker holes.
Blowing dirt with compressed air
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Buy a can of compressed air. Compressed air cans are sold by online distributors, electronics stores, and stationery stores. Check the air tank by pointing it down and pressing on the nozzle. Feel the amount of air released from each spray. [4] X Research Sources
- Buy a can of compressed air with a straw to increase accuracy.
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Connect the suction hose to the nozzle for increased accuracy. Screw the thin suction hose onto the compressed air nozzle. Then, point the nozzle down and press the nozzle to test spray. Compressed air must blow out from the top of the suction pipe. [5] X Research Sources
- Tighten the suction hose if you notice compressed air leaking on either side of the nozzle.
- Skip the straw if you’re comfortable spraying compressed air without using it.
Blow 3 to 4 streams of compressed air into the speaker slot. Hold the tip of the nozzle or the tip of the straw at least 1.3 cm from the speaker hole. This will remove any dirt left behind by the cotton swab being pressed into the speaker. [6] X Research Sources
- Do not blow too close to the speaker; otherwise, the electronic components inside the phone may be damaged.
- If you use a straw, hold the straw with your non-dominant hand to hold it in place when blowing air.
Clean the speaker from the inside
Remove the back cover from the phone using the suction cup and component pry. Heat the phone case for about 15 seconds using a hair dryer on low heat. Then, attach the suction cup to the back. With the monitor facing down, gently pull the handle of the suction cup towards you. Simultaneously, insert the flat end of the component pry rod into the center of the gap in the phone case and pry it towards you. Continue to pry the back cover up while still pulling the suction cup until the back cover pops out. [7] X Research Sources
- You can buy a part plow at home appliance stores, which is a tool with a flat, wide screw head that is used as a wedge.
- If you find it difficult to pry, increase the heat to heat the phone case frame to melt the glue that holds the back cover in place to the phone case frame.
- With older and cheaper phones, you can pry the back cover off by hand. For newer and more expensive phones with glass backs, you can’t do that.
Remove the metal cover and speaker section. Both the internal speaker and the phone speaker are usually fixed by a metal shell. Remove the screws securing the housing with a #3 Phillips screwdriver and remove them. Now, gently pull the speaker out. [8] X Research Sources
- Gently pull the speaker out using a tool pry if it is difficult to remove.
Wipe the speaker with a microfiber cloth soaked in alcohol. Dab a small amount of alcohol on a microfiber cloth. Rub gently on speaker strips until thoroughly clean. For the grooves on the speaker, blow gently from the outside, then soak a cotton swab with alcohol and gently rub the grooves.
- You can also use a soft cloth or lint-free paper towel. However, they are not very effective at absorbing dirt.
- Make sure to let the speaker strip and speaker hole dry before placing the speaker back into the machine.
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Remove the extra back cover if you still can’t get the speaker out. In some phones, typically Samsung brands, you need to remove the extra back cover to access the holes on the speaker. These phones will have 10 to 13 extra screws to remove, although the exact number will vary by model and manufacturer. Use a #3 (10 cm) Phillips screwdriver to turn the screws counterclockwise until they are loosened. Then, remove the secondary back cover. [9] X Research Source
- Remove the plastic film on the screw if your phone has one.
- After removing the auxiliary back cover, you can touch and clean the grooves and speakers. However, in some cases, you will only be able to clean the grooves on the speaker.
- Insert the auxiliary back cover once the speaker cleaning is complete and tighten the screws. You can then attach the metal case to the speaker and close the back cover.
Things you need
- Cotton swab
- Sticky Clay
- Medium toothbrush
- Compressed air tank (with suction tube for added accuracy)
- Suction cup
- Components pry rod
- Phillips screwdriver size #3 (10 cm)
Advice
- If the speaker still malfunctions after cleaning, take the phone to a repair shop.
- Each phone line will have a different design, especially with newer models. No matter how it’s designed, don’t break any wires or cables, and don’t do things you’re not sure about. A working phone is better than a dirty phone!
X
This article is co-authored by a team of editors and trained researchers who confirm the accuracy and completeness of the article.
The wikiHow Content Management team carefully monitors the work of editors to ensure that every article is up to a high standard of quality.
There are 9 references cited in this article that you can view at the bottom of the page.
This article has been viewed 9,580 times.
After a period of use, the smartphone speaker will get dust, lint, and other types of dirt that you cannot see with the naked eye. If it is not cleaned for a long time, it will make a hissing sound. However, before going to the repair shop, you can try a few methods to clean the speaker phone inside and out.
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