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How to fix a Galaxy Note9 that won’t charge due to moisture detected error

Many Galaxy Note9 (#GalaxyNote9) users are asking us for help because their phone has stopped charging for no apparent reason. In today’s post, we show you that an expensive Note9 may not charge as well if it keeps showing moisture detected error. The error is supposed to be triggered only if there’s water or moisture inside the charging port but history shows that completely dry phones may suffer from moisture detected bug as well. We’ve seen many Galaxy S8, S9, and Note9 users in the past months reporting moisture detected error bug after an update so Samsung’s water resistance protection can be considered far from perfect in this regard.

Before we proceed, we want to remind you that if you are looking for solutions to your own #Android issue, you can contact us by using the link provided at the bottom of this page. When describing your issue, please be as detailed as possible so we can easily pinpoint a relevant solution. If you can, kindly include the exact error messages you are getting to give us an idea where to start. If you have already tried some troubleshooting steps before emailing us, make sure to mention them so we can skip them in our answers.

Problem: Galaxy Note9 stops charging

I have a Samsung Galaxy Note9 for about two-and-a-half to three days it was showing the moisture detected error and the charging port and it wouldn’t charge. added to charge it wirelessly. Now it won’t charge with a wired charger at all. I’ve tried everything you guys have suggested and it still won’t charge wired and it’s taking forever to charge wirelessly. I’m not sure what else I can do. There’s nothing in my charging port; it’s not broken nothing. so any suggestions Heather Swartz [email protected]

Solution: If your Note9 charges using a wireless charger but does not with a regular cable charger, that means either of these two situations is true:

  • charging port is wet
  • charging port is damaged

What to do if charging port is wet or has moisture

Samsung Galaxy devices, particularly the high-end ones such as the Note9, have added water resistance protection. Your Note9 can withstand occasional splashes of water or liquid but may be able to retain tiny amounts of water in the charging port. Moisture detected error has been observed in locations with high humidity. If you regularly bring your Note9 to a hot or highly humid area, its charging port may have collected enough traces of water that triggers moisture detected error. In order to prevent damage to the system, Samsung designs its water-resistant devices not to allow charging when there’s moisture in the charging port. To ensure that the charging port is completely dry, try to put the device in a place with room temperature and let it sit there for a few hours. Water naturally evaporates even in room temperature. You can also gently shake the phone to dislodge any possible presence of water in the port. You can also blow inside the charging port if you want. If you suspect water might be present in the port, do not use high pressure air like canned air to remove it. Doing so might push water inside the phone causing more serious harm to the system. If you don’t want to let professional drying service to remove water from the charging port, air drying should be the best option for you.

What to do if charging port is damaged

One other reason why your Note9 has stopped charging may be due to a damaged charging port. This can happen due to a number of things.

  • Corrosion can set in if previously exposed your phone to seawater or any other liquid apart from fresh water.
  • Careless usage may also damage the port if you don’t properly handle your phone while charging.
  • Using unofficial charging accessories may damage the charging system due to incompatibility.
  • Presence of dirt or foreign objects in the charging port may jam it or prevent the charging cable from working properly while charging.

If you think the port is dirty or has debris or lint inside, try to use a can of compressed air to blow them out. Avoid sticking anything in the port to minimize the chance of causing permanent hardware damage.

If corrosion has set in or if you’ve accidentally damaged the charging port though, you’ll need repair to fix the phone for good. In this case, you want to let Samsung handle the repair for you to have guaranteed result.

Charge in safe mode

Sometimes, third party apps may interfere with Android. To check if a third party app is blocking the system from cable charging, restart the phone to safe mode. Here’s how:

  1. Turn the device off.
  2. Press and hold the Power key past the model name screen.
  3. When “SAMSUNG” appears on the screen, release the Power key.
  4. Immediately after releasing the Power key, press and hold the Volume down key.
  5. Continue to hold the Volume down key until the device finishes restarting.
  6. Safe mode will display in the bottom left corner of the screen.
  7. Release the Volume down key when you see Safe Mode.

If your Note9 charges normally on cable, a third party app must be to blame. To identify which of your apps is causing the trouble, you should boot the phone back to safe mode and follow these steps:

  1. Boot to safe mode.
  2. Check for the problem.
  3. Once you’ve confirmed that a third party app is to blame, you can start uninstalling apps individually. We suggest that you begin with the most recent ones you added.
  4. After you uninstall an app, restart the phone to normal mode and check for the problem.
  5. If your Note9 is still problematic, repeat steps 1-4.

Use another cable and adapter

Another possible reason why your Note9 may have stopped charging normally can be due to bad cable or adapter. Make sure that you test another set of official  Samsung Note9 charging accessories to check this out. If you can’t readily find another cable or adapter, try to borrow them from a friend or use the one in your local Samsung store.

Workaround

In the meantime, you can continue using wireless charging to keep your Note9 powered up. wireless functionality will not be affected by any defect or problem in the charging port. Make sure to enable fast wireless charging under Settings > Device maintenance > Battery > More options (upper right) > Advanced Settings to allow the device to charge faster. Even on fast wireless charging mode, it would still take a longer time to charge your device but this would at least give you an alternative while considering whether or not to send the phone in. Also, make sure that you create a backup of your personal data before sending your device to Samsung.

Get Samsung help

If you can’t seem to fix the issue on your own following our suggestions above, it’s safe to presume that the problem may have a deeper cause. Contact Samsung support so they can set a repair or replacement appointment for you.

 


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