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What to do if your Samsung Galaxy S7 got in contact with water and won’t turn on

The Samsung Galaxy S7 (#GalaxyS7) is water-resistant, not waterproof. The #IP68 (IP stands for Ingress Protection) rating is more like an insurance that your phone may be able to survive accidental water immersion like when you use it under the rain, spilt a glass of water on it, dropped it in a sink or toilet bowl, etc.

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I received an email from a reader seeking assistance because his phone won’t turn on after he took a dive into a pool with it. According to him, the S7 just turned off on its own after being submerged in water. If I were to ask you, what could have gone wrong?

Here’s the actual message just to give you an idea about this issue…

Hey Harold. I hope you have time to help me. I have a Galaxy S7 that I bought 4 months ago. The phone never had any issues until yesterday. My friends and I had a pool party and because of the heat of the moment, I took the dive to take pictures of my friends under water. I actually did snap a few photos then get out of the water. My phone turned as soon as I was out of the water. Tried to turn in back on and it did up to the logo then turned back off again. Tried charging it thinking the battery got drained. No indicators. Now, the phone just won’t turn on. What happened I thought this phone is supposed to be waterproof?

One blunder led to another, now the phone won’t respond. So, was it really water that did it? Obviously, yes!

If this happens to you, there are things you should and should not do so your phone can still survive. But before anything else, if you have other issues with your Galaxy S7, browse through our troubleshooting page to find similar and related problems we already addressed before. Use the solutions and troubleshooting procedures we suggested. If they don’t work, then you can always contact us by completing our questionnaire here.

What to do if Galaxy S7 got submerged in water and started acting weird

If the phone started to act weird after being submerged in water, then it’s very much possible water messed it up. Don’t wait any longer and act immediate. Here’s what you need to do:

Step 1: Turn off your phone immediately

Why? To prevent further liquid damage. Nowadays, circuit boards have some kind of protection for light water immersion so they don’t get damaged immediately if liquid got in contact with them. That is if there’s no electricity flowing through the components but if there is, then that’s a different story.

Water, electronic components and electricity don’t mix well and the one that’s in the middle often gets damaged and in this case, it’s your phone that houses those components. As soon as you notice the phone starts to work differently after having in contact with liquid, turn it off to lower the risk of being water-damaged.

Step 2: Unmount your SIM card and microSD card

This is to prevent them from being affected. SIM cards and microSD cards can also be easily damaged by water. There’s a big chance liquid can find its way into the slot.

Step 3: Make sure everything is dry before turning it back on

It’s actually easier said than done and it’s time consuming. Drying up a “possibly” wet smartphone is a bit complicated than drying any other things. It’s because you can’t just unscrew the screws and open it up. If you do so, your warranty will be voided, although I’m not saying you can claim warranty for liquid damage.

There are, however, some tricks on how to dry off a smartphone but it’s not really that quick. Here’s what I suggest  you do…

  1. If you see water residue in the USB port and headphone jack, use a hair dryer to blow warm air into those holes. You may be able to make water evaporate from those ports but don’t take any chances.
  2. After using the hair dryer, put your phone in a bowl full of rice and leave it buried for a couple of days. Rice grains are great water absorbent and in that span of time they may able to absorb water particles inside your phone.
  3. After 48 hours, try turning on your phone and observe it closely. If turns on and still acts weird, turn it off immediately. If it doesn’t turn on, plug in the charger to see if it responds to it. If it does, leave it plugged in for 10 minutes then attempt to turn it on again. However, if it doesn’t respond to the charger, unplug it immediately.
  4. Send the phone in for repair. What would happen is that the technician may just open your phone up and give it a blast of warm air to dry off particles of water that remained or a general cleaning might do the trick. Further tests, however, will be done and that’s the deciding factor whether or not the phone be sent it to Samsung for repair.

Now, let’s go to the real problems our readers sent us that is related to this issue…

Question: “My S7 got dropped in the sink full water. I immediately picked it up but it turned off as soon as it was out of the water. What must I do? They say it’s waterproof but I doubt it.

Answer: Don’t attempt to turn it on…yet. Follow the instructions in the steps above to prevent further damage.

Question: “I think water has found it’s way into my phone because I answered a call while showering thinking it’s waterproof. It’s still working though but it’s not charging anymore. There’s 10% battery left and I’m afraid it won’t last longer. Is there anything you can do about this? Thanks.

Answer: Try turning off your phone and connect the charger. If it responds, let it charge for 5 minutes but continue holding on to your phone to know if it heats up. The moment you notice the phone is heating up, unplug the charger immediately and send your phone in for repair. On the other hand, if the phone won’t respond to the charger, unplug it and have it checked.

There you have it! I hope this article can help you understand the risk of having the phone submerged in water even for a short period of time as well as give you an idea what to do if everything went south the moment you fish it out of the water.

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