How to Clean an Android Phone

What You’ll Need

Soft, lint-free microfiber cloth (the kind used for glasses or screens)
Distilled water or 70% isopropyl alcohol (optional, for disinfecting)
Soft-bristled brush (clean, dry toothbrush or a soft makeup brush)
Compressed air (optional, for stubborn dust in ports)
Cotton swabs (optional, for tight corners)
Toothpick or plastic pick (optional, for debris in the charging port)

Step-by-Step

Power off and unplug. Turn off your phone and remove any case, screen protector, or cables. This prevents accidental touches, reduces the risk of liquid damage, and lets you clean every surface.
Wipe the screen and back. Gently wipe the front and back with a dry microfiber cloth in straight lines or small circles. For stubborn smudges, lightly dampen the cloth with distilled water (or 70% isopropyl alcohol) and wipe again. Avoid pressing hard; the screen is delicate.
Clean the sides and buttons. Use the same cloth to wipe the edges, including the power and volume buttons. If there is grime around the buttons, use a dry cotton swab or a soft brush to dislodge it.
Brush out the speakers and microphone. Use a soft-bristled brush to gently sweep away dust from the speaker grilles, microphone holes, and earpiece. Do not poke anything sharp into these openings.
Clear the charging port. Inspect the USB-C or micro-USB port for lint or debris. Use a dry toothpick or plastic pick to carefully scoop it out. Do not use metal tools, and be gentle to avoid bending the pins.
Clean the camera lenses. Wipe the camera glass with a dry microfiber cloth. For fingerprints or smudges, dampen the cloth slightly and wipe. Avoid getting moisture into the lens edges.
Let everything dry and reassemble. Wait a few minutes for any moisture to evaporate, then reattach your case and screen protector. Power the phone back on.

Common Mistakes

Using paper towels or tissues: These can scratch the screen or leave lint behind. Always use a microfiber cloth.
Spraying liquid directly on the phone: Liquid can seep into openings and damage internal components. Always dampen the cloth, not the phone.
Using harsh chemicals: Bleach, ammonia, or abrasive cleaners can strip the oleophobic coating on the screen and damage the finish. Stick to water or 70% alcohol.
Poking metal objects into ports: A paperclip or SIM ejector tool can scratch the charging pins or damage the port. Use plastic or wood.
Cleaning while the phone is on: This can cause accidental taps or, if liquid is involved, electrical issues. Always power off first.

Tips

Clean your phone at least once a week if you use it frequently, especially during cold and flu season.
For a streak-free screen, wipe in one direction and then buff with a dry part of the cloth.
If you use a screen protector, clean it the same way; it will not harm the adhesive.
Remove your phone case weekly and wipe the inside of the case with a damp cloth to prevent dirt from scratching the back.
Use a phone case with a raised lip around the camera to keep the lenses cleaner.
If you are in a dusty environment, clean the speakers and port more often to prevent muffled sound and charging issues.

Troubleshooting

Water got into the speaker and sound is muffled: If you accidentally got moisture in the speaker, gently shake the phone to remove excess water, then place it in a dry, warm area (not direct heat) for a few hours. Do not use rice; it can leave dust inside. If the problem persists, contact the manufacturer.
Charging port still has debris after cleaning: Use a can of compressed air with short bursts to blow out remaining dust. If the port is still not charging, the issue may be hardware-related, and you should seek professional repair.
Screen has a scratch after cleaning: If you notice a scratch, it was likely caused by grit on the cloth or a previous event. Apply a screen protector to prevent further damage. Deep scratches cannot be removed by cleaning.
Buttons feel sticky after cleaning: If you used a damp cloth, moisture may have seeped in. Power off and let the phone dry completely for a few hours. If stickiness persists, there may be residue; clean again with a dry brush.
Phone does not turn on after cleaning: If the phone was off and you waited for it to dry, try plugging it into a charger. If it still does not respond, there may be liquid damage. Contact the manufacturer or a repair service.

Frequently Asked Questions

Can I use hand sanitizer to clean my phone?

Yes, but only if it contains 70% isopropyl alcohol and you apply it to a microfiber cloth, not directly to the phone. Avoid gels with moisturizers that can leave a residue.

Is it safe to use vinegar to clean my phone?

No, vinegar is acidic and can damage the screen’s oleophobic coating. Stick to water or 70% alcohol.

How often should I clean my phone?

Ideally once a week, but more often if you use your phone in public places, share it with others, or are around dust and dirt.

Can I submerge my phone in water to clean it?

No, unless your phone is specifically rated as waterproof and you follow the manufacturer’s guidelines. Even then, submerging can damage seals over time. Wiping is safer.

Will cleaning remove the screen protector?

No, cleaning the surface will not affect the adhesive. However, if the protector is already lifting at the edges, cleaning may catch on it; gently press it back down after cleaning.

What should I do if there is dust under the camera lens?

Dust under the lens is a manufacturing issue and cannot be removed by cleaning. Contact the manufacturer for warranty service.

Sources: Google Android Help. Menus and buttons can differ slightly by version. Spotted something out of date? Tell us.