Womans hand cleaning smartphone screen with alcohol. Concept of Cleaning dirty screen phone for disease prevention from virus Covid-19.

How to Disinfect Your Phone

There is credible evidence out there that our health is closely tied to things we touch throughout the day. And what’s the one thing we touch more than a few times a day? Our phones! Or as the Journal of Hospital Infection refers to them, our portable Petri dishes.

Womans hand cleaning smartphone screen with alcohol. Concept of Cleaning dirty screen phone for disease prevention from virus Covid-19.

Phones fall on bathroom floors. They come into contact with tiny droplets from sneezes and coughs and encounter every type of germ a person’s hand does. But unlike the hands, phones are impossible to wash with soap and water.

Therefore, cell phones are a potentially dangerous source of viruses including Streptococcus, MRSA, E. coli COVID-19; bacteria, and other pathogens. And according to this study—at least 10 times more germs than a toilet seat. Gross!

It’s not sure how long viruses survive on surfaces, but this report suggests that some may persist on surfaces for a few hours or up to several days. This may vary under different conditions such as the type of surface, temperature, or humidity of the environment but just think now how often you touch your phone.


You should clean your phone at least once a day by following your phone’s manual for cleaning instructions. Cleaning your device the wrong way (like using paper towels) can strip away or damage coatings that protect your screen. Usually, a disinfectant wipe or microfiber cloth will do the trick.

What not to do

When it comes to disinfecting your phone and other electronic gear, you want to kill viruses and bacteria without doing harm or voiding your phone or device warranty. That means no dripping antibacterial wipes. Do not use a prohibited cleaner and do not spray anything directly on the device.

Disinfect phone basics

Follow these basic instructions for how to clean your phone, screens, keyboards, and other electronic gadgets

  • Unplug the device before cleaning.
  • Use a lint-free cloth slightly dampened with soap, water, or other approved cleaner (below).
  • Don’t spray cleaners directly onto the device.
  • Avoid aerosol sprays and cleaning solutions that contain bleach or abrasives.
  • Keep liquids and moisture away from any openings on the device.

How to disinfect iPhone

Apple has just updated its support page to say that you can clean your iPhone with 70% isopropyl alcohol poured or sprayed onto a clean, soft cloth, alcohol wipes, or Clorox disinfectant wipes. Use only a soft, lint-free cloth. Avoid abrasive cloths, towels, paper towels, or similar items.

  • Avoid excessive wiping, which might cause damage.
  • Unplug all external power sources, devices, and cables.
  • Keep liquids away from the product, unless otherwise noted for specific products.
  • Don’t get moisture into any openings.
  • Don’t use aerosol sprays, bleaches, or abrasives.
  • Don’t spray cleaners directly onto the item.

How to disinfect Android, Pixel

For the Pixel 3a and other Android phones, Google recommends screen disinfecting wipes or eyeglasses cleaner on the screen and ordinary household soap or cleaning wipes, as needed. There are no restrictions on alcohol-based wipes.

How to disinfect computers, tablets, keyboards, remote controls, mouses

  • Shut down and or unplug the device from electrical outlet.
  • Spray 70% isopropyl alcohol on a cloth, never on the screen, keyboard or device.
  • If using an alcohol wipe, make sure it is not dripping wet. Wring it out a bit first as necessary, then proceed. You do not want to drip liquid into any openings, especially a keyboard.
  • Consider a wipeable cover for your laptop keyboard so you can disinfect it without suffering potential harm to the keyboard itself.


These EPA-approved disinfectants are good options for cleaning phones, devices, screens, remote controls, and keyboards.


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Womans hand cleaning smartphone screen with alcohol. Concept of Cleaning dirty screen phone for disease prevention from virus Covid-19.

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3 replies
  1. Kathy says:

    Thank you for faithfully posting your little nuggets of gold each day. You are a wealth of information! Thank you for taking the time. God bless you.

  2. Marcia says:

    thank you so much for your daily emails and posts. i rarely think of cleaning my screen, guess i’d better make it a habit. and i’m going to order a keyboard cover and screen protector for my laptop.

    • Mary Hunt says:

      Yes … good idea! Make sure you get a keyboard cover that is made exactly for your brand, size, and model keyboard. Mine came with my laptop case (specifically for my MBP 2021 16-in). It is great. And when I remove it to clean it? Yikes! The cover will take a little “getting used to” time but I think you adapt quickly. And thanks for your kind words! On Jan 1, 2022 I quietly celebrated 30 years of doing this. Can’t believe it, myself. But it’s true. Jan 1, 1992 … first issue of Cheapskate Monthly. My Readers’ feedback and encouragement NEVER grow old.


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