What to do if your Samsung Galaxy Tab S4 keeps showing “Moisture Detected” error?

After almost a decade of dominating the mobile world, Samsung now makes devices that are smarter than its competitors. It doesn’t only apply to its flagship devices but also to its entry- and mid-range smartphones and tablets. The recently release Samsung Galaxy Tab S4 is probably the company’s tablet so far and it has almost all features of the flagship devices except for the IP68 rating. Meaning, the tablet isn’t dust- and water-resistant so when it says that it detects moisture in the charging port, you should take that seriously.

The “Moisture detected” error is one of the features of Samsung flagships that would alert users about the impending serious problems should you fail to address it immediately. Most of the time, when the error shows up, it basically means there’s moisture in the port but it doesn’t necessarily mean it’s serious. In this post, I will provide you the simple yet practical ways to deal with this error so that you can prevent liquid damage so continue reading as this post may be able to help you.

For those who are looking for a solution to a different problem, drop by our troubleshooting page for we have already addressed some of the most common issues with this phone. Browse through the page to find issues that are similar with yours and use the solutions we suggested. If they don’t work for you or if you still need our help, contact us anytime through our Android issues questionnaire.

What to do if your Galaxy Tab S4 shows the ‘moisture detected’ error?

Liquid damage can be prevented so when the ‘moisture detected’ error shows up, here are the most practical ways you should do…

  1. Turn Galaxy Tab S4 immediately – just because it says that “moisture is detected in the charger port” doesn’t mean that water hasn’t got into the phone. It may have already reached some of the circuits and that’s the reason why you should immediately turn the phone off to prevent further damage to the circuits. Electric components and water don’t mix well and if there’s current flowing the CPU and the motherboard.
  2. Clean the charger port – this is to address the error literally even if there’s a possibility that water have entered the device already but since we don’t know that yet, you should take time making sure there’s no moisture in port. You may insert a small piece of tissue paper into the port and leave it there for a few minutes so it can absorb the moisture. Do not blow into the port or use any heat blower to vaporize the moist as it may enter the device instead of going out.  
  3. Clean the cable – you must also make sure that the cable is dry on both ends as it’s possible that it’s the one that got in contact with water and not the tablet itself. You may use the same method you used in cleaning the charger port. But the good thing with the cable is that you can blow the moist and dirt out using your mouth or a can of compressed air.
  4. Charge the tablet while it’s powered off – if the Galaxy Tab S4 has moisture in the port and you charge it while it’s powered on, you will get the ‘moisture detected’ error but if try charging it while it’s off with the moist still present, it won’t charge. So, one way to find out if there’s still moist or not is to charge it while it’s powered off and if it does charge, then you can rest assured that the port as well as the cable are not wet anymore. In this case, you may now turn the device and and continue charging.

However, if it’s still not charging after doing all the procedures above, then bring it to the store or shop and let tech handle it for you. Depending on the situation, you may still use the warranty even if the problem is caused by water or liquid.


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