Samsung Galaxy A20 keeps showing ‘moisture detected’ warning

Samsung Galaxy A20 keeps showing ‘moisture detected’ warning

The Samsung Galaxy A20 doesn’t have the IP68 certification, so it’s not water-resistant. If there’s moisture in the charging port, the device will show ‘Moisture Detected’ warning and the charging process may immediately stop. This is to prevent further liquid damage to both the device and its charger. This article will help to fix Samsung Galaxy A20 keeps showing ‘moisture detected’ warning.

If the device powers ON for long time and not heating up, this warning may be just a sign that there’s a small amount of liquid in the charger port that you need to address immediately.

This post will guide you to troubleshoot Samsung Galaxy A20 keeps showing the ‘moisture detected’ warning. Perform all necessary procedures to make the device work perfectly and resume its normal charging process.

Troubleshoot Galaxy A20 with ‘moisture detected’ error
Most of the time, “the moisture detected” warning only pops up when there’s moisture in the charger port. So first try to remove the moist from the charger port. Follow the steps below to fix Samsung Galaxy A20 keeps showing ‘moisture detected’ warning.

Step 1: Clean the USB / Charge port to fix moisture detected warning

Must turn OFF the device completely so that there wouldn’t be any complications, if there’s presence of moisture in the charging port. Once Samsung Galaxy is powered down, try doing this:

Insert a small piece of tissue paper into the port. Leave the tissue for one or two minutes. Make sure it absorbs moist if there’s any. You may have to do it a couple of times till it absorb the moist completely.
To get rid of dirt and other elements that might be blocking the connectors to make proper contact, if you have a can of compressed air, then give it a blast.
Check the port if the pins are in their proper places and not bent. If there’s a bent pin, then try to straighten it by using a pair of tweezers. Do it gently so that it will not damage it even more.
After making sure that there’s no moisture in the charge port and that all connectors are fine, charge the device again. Check if the error still there, then move on to the next procedure.

Step 2: Physically check the cable and charger

of Samsung Galaxy A20 keeps showing ‘moisture detected’ warning

It is possible that the phone can detect it from the cable that’s used to bridge the current from the power adapter. Thus, physically check both ends of the cable to make sure there’s no sign or trace of water. Also make sure there is no lint, debris or any other materials which may be obstructing the charging process.

Always check the power adapter itself. Check if there’s moisture and other materials or even crooked connectors. Then use a small piece of tissue and insert it into the port to absorb the moist. Or use a pair of tweezers to get rid of lint or debris. After making sure there’s no problem with either cable or adapter, charge Samsung Galaxy A20 and if the problem exist, then go to next step.

Step 3: Check for possible sign of liquid damage

The sensor doesn’t only detect moisture in the charge port but also in other parts of the phone. If Samsung Galaxy A20 got wet at some point, then it is possible that the water found its way into the device and that could be the reason why you keep on getting the ‘moisture detected’ error. The best thing to confirm this is to check your Galaxy A20’ Liquid Damage Indicator (LDI). For this follow the steps below:

  • Remove the SIM card tray.
  • Look into the SIM slot to find a small sticker.If the sticker is white, then Samsung Galaxy A20 is safe from liquid damage but if the sticker is red, pink or purple, then Samsung Galaxy A20 has liquid damage. In this case, send the phone back to the store for repair or exchange.

If the error is still showing up even when the LDI is showing no signs of liquid damage, go to the next step.

Step 4: Try bypassing the ‘moisture detected’ error

At this point, it is possible that the error is caused by some kind of firmware issues or glitches. To charge Samsung Galaxy A20 first troubleshoot the device, For this purpose follow the procedure below. 

  • Plug the charger to a functioning wall outlet.
  • Connect the other end of the cable to the charger and the other to your phone.
  • The warning will pop up as soon as the phone is connected to the charger and the charging process stopped.
  • This time, Reboot the device while it’s connected to the charger.
  • Samsung Galaxy A20  may continue charging without showing the warning after the Reboot.

Step 5: Run in Safe Mode and charge

Samsung Galaxy A20 keeps showing ‘moisture detected’ warning

By default, the service which handles charging will not work when the phone is in safe mode. So naturally, the error won’t show up when you charge the phone while in this mode.  So if you don’t want to troubleshoot your phone now but simply want to replenish the battery, then run Samsung Galaxy A20 in safe mode if you don’t want to do the previous step. 

Following are the steps  to run Samsung Galaxy S7 Edge in Safe Mode:

  • Press and hold the Power button . As you see “Samsung Galaxy S7 EDGE” appear on the screen, release the Power Key.
  • Hold immediately the Volume Down Key.
  • Continue holding the Volume Down Button until the device finishes rebooting.
  • Release it, when you see “Safe Maode” in the bottom left corner of the screen.


This picture shows Safe Mode. Samsung Galaxy A20 keeps showing ‘moisture detected’ warning

The purpose of Safe Mode is actually to find out that your device can boot up successfully. And if so, try to boot it in Normal Mode. And if it does not make any difference, boot it in Safe Mode again, and this stage find bad apps that are causing  error.

Step 6: Master reset Galaxy A20 

to fix Samsung Galaxy A20 keeps showing ‘moisture detected’ warning

Follow this step if the issue of “moisture detected” not fix after doing the previous step. This will check the possibility that the problem is with the firmware. If the error exist even after Reset, then  it’s a hardware problem and a can resolve the issue.

So, first have a backup of all your important files and data. Then do  Factory Reset your phone and check if it charges properly after that. For this purpose follow the step below:

  • Turn off the device.
  • Press and hold the Volume Up key and the Bixby key, then press and hold the Power key.
  • When the green Android logo displays, release all keys (‘Installing system update’ will show for about 30 – 60 seconds before showing the Android system recovery menu options).
  • Press the Volume down key several times to highlight “wipe data / factory reset.
  • Select it by pressing Power button.
  • Press the Volume down key until ‘Yes — delete all user data’ is highlighted. Press Power button to select and start the Master Reset.
  • When the master reset is complete, “Reboot system now” is highlighted.
  • Press the Power key to Restart.
  • Hold the Volume down key until Samsung Galaxy finishes restarting.

If this step is fail to fix Samsung Galaxy A20 keeps showing ‘moisture detected’ warning even after the reset. Then send the phone to Samsung Service Center.



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