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Samsung Galaxy S7 Edge shows “Moisture detected in charging port” appears and won’t boot up after the update

Many Samsung Galaxy S7 Edge owners have been complaining about the error “Moisture detected in charging port” and while there were those who said their phones got wet prior to the problem, many report theirs haven’t touched any kind of liquid. While the error is basically straightforward, what makes it a bit complicated is the fact that it started shortly after an update and there were cases wherein the phone won’t boot up successfully after displaying the error.

In this post, I will tackle this error message as well as the booting up issue that may accompany it. We will have to look into every possibility and rule them out one by one until we arrive at a point wherein we can easily pinpoint what the cause is or what triggered it. So, if you have this kind of phone and are one of the users who have encountered the error, continue reading below as we may be able to help you fix it.

However, if you are trying to find a solution to a different issue, then visit our troubleshooting page for we have already addressed hundreds of problems with this device since it was released. Try to find issues that are similar with yours and use the solutions and troubleshooting guides we suggested. If they don’t work, however, contact us by filling up our Android problems questionnaire. Just give us information and we’ll help you find a solution.

How to troubleshoot Galaxy S7 Edge with “Moisture detected in charging port” error

Problem: I’m having problems with charging my Samsung S7 Edge, moisture in usb port is displayed every time I plug in charger. So I took it to my local telstra store and they updated it and it resumed it normal charging pattern. I then disconnected charger at 28% to make a call. When I reconnect it, it was charging it was taking charge, with every half a second flashing on and off moisture in usb port. It is now not taking charge. The telsta technician said to me that they have had a lot of Samsung S7 and S8 are having the same problem as mine, with only one having to be sent off to be repaired. Thank you and kindest regards for taking the time to read my problem Tim Dunlop.

Solution: If you are certain that your phone has not been soaked in water or have any physical damage, it’s not far that this might be a software issue. As you said, that the problem was fixed after the update but it occurs again without apparent reason, then probably, the files and data had been corrupted and that is why the issue persists. However, to be sure what really caused the problem we recommend you to troubleshoot the device to determine if there’s something wrong with the software or hardware department of your phone. Here are the procedures that you should do:

Step 1: Forced Reboot your phone

If you haven’t tried restarting your phone after the update process, this is the right time that you should do it. This method is the equivalent of the battery-pull procedure that helps your device to refresh its memory and eliminate all system glitches that prevents your phone from booting up normally. This is how to do it:

  1. Just press and hold the Volume Down and Power keys together for 10 seconds.
  2. Wait until the device reboots.

Step 2: Reboot your phone in Safe mode to see if there’s an app caused it

Occasionally, due to several apps had been installed in the firmware there is a chance that one of them could be the culprit and caused the issue to occur. By booting it in safe mode the downloaded applications will be prevented and only the built-in apps would run in the system. So, while in this state and your phone boots up normally and the error message didn’t appear on the screen, then there may be apps triggered it. In this instance, try to uninstall each app you had downloaded until the issue is fix. Just follow these steps:

  1. Press and hold the Power key.
  2. As soon as you can see the ‘Samsung Galaxy S7 EDGE’ on the screen, release the Power key and immediately hold the Volume Down key.
  3. Continue holding the Volume Down button until the device finishes rebooting.
  4. You may release it when you can see ‘Safe mode’ in the bottom left corner of the screen.

However, after doing so and the issue still happening you can perform next method.

Step 3: Clear the System and Cache Partition

Since, safe mode couldn’t fix the problem it is possible that the system caches were being corrupted. In fact, clearing the cache partition is necessary to all android users especially if system update has been done on your phone. Through this method all old system caches will be wiped out from the partition and replaced by newer caches that could run and compatible to the system. But don’t you worry all your saved files like: contacts, videos, music and setting preferences won’t be deleted.

  1. Turn off the phone.
  2. Press and then hold the Home and Volume UP keys, then press and hold the Power key.
  3. When the Samsung Galaxy S7 Edge shows on the screen, release the Power key but continue holding the Home and Volume Up keys.
  4. When the Android logo shows, you may release both keys and leave the phone be for about 30 to 60 seconds.
  5. Using the Volume Down key, navigate through the options and highlight ‘wipe cache partition.’
  6. Once highlighted, you may press the Power key to select it.
  7. Now highlight the option ‘Yes’ using the Volume Down key and press the Power button to select it.
  8. Wait until your phone is finished wiping the cache partition. Once completed, highlight ‘Reboot system now’ and press the Power key.
  9. The phone will now reboot longer than usual.

After you do the procedure try to see if your phone can power on normally and the error message is not popping up on the screen. Because if it is, it could be a serious firmware issue caused it and your last resort is to the reset.

Step 4: Do the Reset on your device

Remember, that resetting the device should be your last option if all procedures cannot resolve the problem. Through reset, the firmware won’t be deleted, instead, it will bring back your phone to its default settings and all saved files and data as well as bugs that conflict the system will be removed. So, before you follow the steps we would like you to backup all your important files by transferring it to your SD card or computer. This is how you do the reset:

  1. Turn off your Samsung Galaxy S7 Edge.
  2. Press and then hold the Home and Volume UP keys, then press and hold the Power key. NOTE: It doesn’t matter how long you press and hold the Home and Volume Up keys, it won’t affect the phone but by the time you press and hold the Power key, that’s when the phone starts to respond.
  3. When the Samsung Galaxy S7 Edge shows on the screen, release the Power key but continue holding the Home and Volume Up keys.
  4. When the Android logo shows, you may release both keys and leave the phone be for about 30 to 60 seconds. NOTE: The “Installing system update” message may show on the screen for several seconds before displaying the Android system recovery menu. This is just the first phase of the entire process.
  5. Using the Volume Down key, navigate through the options and highlight ‘wipe data / factory reset.’
  6. Once highlighted, you may press the Power key to select it.
  7. Now highlight the option ‘Yes — delete all user data’ using the Volume Down key and press the Power button to select it.
  8. Wait until your phone is finished doing the Master Reset. Once completed, highlight ‘Reboot system now’ and press the Power key.
  9. The phone will now reboot longer than usual.

I hope after the reset the issue will be fixed, because if not,it might be a hardware problem caused it and you can immediately bring your phone to the shop to be checked by the technician.

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One Comment

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  1. Thank you for this. My S7 hadn’t come into contact with moisture but since updating a couple of days ago I now get the “moisture detected” message and the phone wouldn’t charge. Force rebooting didn’t help but starting in safe mode worked. There’s now no issue charging the phone in safe mode.

    I’m assuming this is an issue related to the update then. I wonder if Samsung are aware of this and if so whether they’re working on a fix.

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