One of the biggest enemies of electronic devices is moisture. Unfortunately, given the ever-increasing portability and popularity of smartphones, music players, cameras and tablet PCs, it seems all but certain that each of your vital tech tools will one day have a devastating encounter with H2O.
But all may not be lost even after your cell phone takes that free-fall into the toilet, or your iPod goes through the washing machine in the back pocket of your favorite jeans. There’s a chance — about 70 percent — that you’ll be able to completely dry the device and put it back to work within hours. In most cases, it won’t be quick, and you’ll have to be willing to make a bit of a mess. But you could save yourself a trip to the electronics store for a replacement.
Here’s how you can dry out wet smartphones, cameras and other electronic devices:
Basic Rescue Steps
Although drying procedures for smartphones, music players, cameras and tablet PCs vary in certain ways, for the most part you would follow the same process for any of them upon major contact with water or other liquid:
- Get it out of the water as soon as possible. An unprotected device has less than 30 seconds before water starts leaking into the hardware.
- Remove the battery. As the power source, this is more likely to be damaged by water than the actual device, especially if the item was on when contact was made with the water.
- Remove the memory and SIM cards if possible. Because in many cases your data is stored on these instead of the actual computer or phone, you’ll probably want to protect them as much as possible. Fortunately, they’re fairly durable, so you’ll be able to dry them initially with a cloth towel, then let them air dry for a day before reinserting.
- Remove any covers and external connectors. This will open up as many gaps, slots and crevices as possible for drying, and help ensure that no moisture is trapped inside the device.
- Remove any peripherals and set them aside to air-dry. This is especially true for very small devices as there’s not a lot you can do beyond this. Headphones, in particular, are tiny, but extremely water resistant, even capable of surviving multiple trips through a washing machine and dryer.
- Look for signs of water damage. In the case of phones, manufacturers have placed a liquid damage indicator on the inside near where the battery sits. It’s normally a clear or striped pattern; if it’s a solid color (usually red or pink), you may have water damage.
Drying the Device
Again, the process varies slightly based on the type of device, but most actions are the same be it an MP3 player or tablet:
- Get the water out. Gently shake it out without dropping it, then use a cloth or paper towel to remove as much of the remaining water as possible.
- Rinse carefully with fresh water. This is especially important if your device has fallen into salt water or muddy water.
- Pat-dry the outside. Use a soft cloth towel to dry off the exterior of the unit. Do not use the towel on any lenses or screens as this can scratch them if dirt or sand particles are in the towel fibers. Instead, use a lens or microfiber cloth for these items.
- Use a vacuum cleaner or hand vac if possible. This will draw residual moisture away from the circuitry. But don’t hold the vacuum too close or you’ll risk generating static electricity that could damage the device.
- Try a can of compressed air. Carefully spray with the can straight up to release only air, not the freezing liquid. Aim it at the keys, crevices, microphone, speaker and any other openings to force excess liquid out.
- Do a “dry soak.” Use a product with a high affinity for absorbing moisture, such as uncooked rice or silica gel (the little packets that are found in new electronic devices and shoe boxes after purchase, usually labeled “Do not eat”). Cover the device with the product for at least 12 hours, turning the product over every 1 or 2 hours, or as often as possible. Note that larger items, such as cameras, could take up to a week to dry.
- Use “gentle heat.” You can speed up the drying process by putting the device in a location that gets a moderate amount of heat, such as near a television or the dashboard of your car. Do not place the battery on a warm device. Do not use high or direct heat such as from a hair dryer or in the oven as this will damage the unit (especially the LCD screen).
- Leave the item in a well-ventilated area to dry. Speed up the process with use of a small fan if desired. Let the item air dry for at least a day or two.
- Do the “towel test.” After half a day or more (depending on the drying technique used), place the item on absorbent towels, napkins or other paper. In 4 to 6 hours, check for signs of moisture seeping from the unit. If moisture is evident, repeat the vacuum and dry soak efforts.
The Big Test
At least 24 hours later, if everything appears to be dry, it’s time to test the device and see if it still works.
- Reinsert the battery and turn the unit on. If it works, you’re back in business. If it does not work, take the battery out, plug in your charging cable and turn it on. If it now works, you may need a new battery. If it still does not work, you’ll need to replace the device, or have it examined by a tech specialist.
- To check battery damage, try cleaning the battery connections with a cloth dampened with a light rubbing alcohol solution. Wait several hours for it to completely dry before reinserting the battery and trying again to turn the unit on. Do not turn the unit on if you still smell rubbing alcohol.
- You may notice discolored areas on the LCD screen to your camera or smartphone. If you’re lucky, it’s an indicator that there’s still some water in the unit. The device is safe to use at this point, however. If the screen does not return to normal within a couple days of use, you have permanent damage.
- If the unit powers up but isn’t acting 100 percent normal, odds are there is still some water inside the unit. The device should not be used. Resume drying activities as noted earlier or perform the following::
- A last-ditch effort is to take the unit apart. This is only recommended for basic cell phones, and only if you are 100 percent comfortable with disassembling the device. Note that opening the unit up invalidates any warranty that may exist. Keep careful track of where all the pieces go as you disassemble. Pat-dry each piece with a soft cloth, then reassemble and try again.
If after all this the device still does not work, take it to a professional repair person, or buy a new one.
How to Waterproof Your Technology
It never hurts to prepare for the worst, especially when it comes to protecting your electronics against unexpected moisture. There are several ways to waterproof your technology “just in case:”
- Buy a waterproof case or bag. This sounds obvious, yet many people forget that the carrier their phone or laptop came in may not be designed for submersion. Cases tend to come in three categories: standard, rugged and heavy-duty. Keep an eye on the submersion factor, a gauge of how many feet underwater the case will stay waterproof for at least 10 minutes. Standard items tend to survive only a few feet; heavy duty can tolerate 100 feet or more.
- Opt for a waterproof product. If you haven’t bought your electronic device yet, carefully consider this option. Cameras, in particular, offer a lot of choice in this department. Expect, however, to pay 10 percent to 20 percent more for the water-resistant of the device.
- Use zippered plastic storage bags. This truly low-tech option keeps your device safe from water and other environmental hazards such as sand, dirt or dust while still giving you full use of the keys. Not a great option for larger units such as tablets or laptops as they don’t make bags big enough. The idea is to keep the phone or music player in the bag until you need it, but you can operate the device from within if need be. In this case, forget about using external mics or headphones and prepare for a lot of background noise as the bag shifts while you talk on the phone. Even without the background noise, sound quality through the bag will still be marginal.
- Go for custom-fit bags. For a slightly improved experience, try a product that is designed to snugly fit your phone and allow you to keep it in the bag while talking. The same restriction applies to the use of headphones and other externals, but at least your audio will be more efficient.
- Vacuum seal your device. A step up from mere zippered bags are products that offer special-fit, airtight bags designed specifically for iPod, iPhone, iPad, Android, Kindle and similar products. These items leave the headset/headphone jack available for easy access, and are reportedly waterproof in many cases for at least 10 feet under water, but can cost $60 or more, which can seem pricey compared to a $2 plastic bag.
- Put on an “invisible shield.” You may have seen these products in kiosks at shopping malls as well as on television: a plastic, custom-fit cover that is glued to your phone, laptop, camera, e-reader or other device. Designed primarily to resist scratching, it does offer some protection against moisture such as raindrops or sweat. But it won’t be as effective if your camera ends up in a water fountain, for example.
- Waterproof the device. If you decide after purchase that having a waterproof item is a good thing, you can manually safeguard against moisture with paint-on nano-coating products that claim to be undetectable once applied and offer protection for the life of the device.
This content was originally published on the Intel Free Press website.