Most flagship smartphones such as Samsung's Galaxy S21 series have a native capability to resist water submersion up to 1.5 meters deep, thanks to their IP68 rating. This gives you the confidence that your device is deemed fit enough to withstand water, dust, and sand. However, it can be hard to prove that without actually submerging your device in water.
Thanks to a new Android app called Water Resistance Tester, you can now use your phone’s barometer to check the integrity of its waterproof seals. What's more interesting about it is you don't need any water to gauge your phone's water resistance capability. The barometric sensor determines the pressure level inside a device and the app measures changes to that pressure level.
Using the app is pretty straightforward. You only need to let your phone sit on a surface and press your thumbs down firmly on the screen. After the test, the app will let you know whether your phone's waterproof sealing is still intact.
It should be noted that you won't be able to use the app if your device doesn't have an IP rating or barometer. Likewise, you should really prevent your phone from being submerged.
The developer also warned against exposing your handset to water splash if it's on the older side since the seals may no longer do their job as the phone ages. If you want to give it a try, you can download the Water Resistance Tester app through the Play Store for free. It comes with ads, but you can donate $0.99 if you want them removed.
Source: Ray W (Play Store) via Android Police
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