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Released in March 2017, the G6 is LG's flagship phone running Android 7.0. This device is available across all major wireless carriers. Physical repair of this device may eliminate water resistance and cause the device to be vulnerable to water damage.

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Moisture Detected, Charging is blocked.

Hi, my father has an LG G6, and it has been saying moisture detected and prevented the device from charging. We have tried MANY things, putting it in a bag of rice even though he knew he didn't drop it in water or anything, using compressed air, rubbing alcohol in the port, WD40, EVERYTHING we could find online. But we have heard you can shut off the moisture detection, BUT all the videos we find are of different carriers "secret menu codes" so we can't figure it out. We have sprint, any help we can get? This seems to be a very common issue with the G6. I personally NEVER buy LG phones, because I know all the issues they have had in the past and present.

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Same problem, started roughly the same time. I feel like im doing damage performing all these recommended cleanings. This "feature" needs to be removed or have that option. LG should not have the right to block my ability to use the phone because their equipment thinks there is moisture...

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You can try this

*#546368#*930# ----> SVC Menu ---> Moisture Detect Setting ---> Disable

Replace 930 with your G6 model number. Mine was 873 and I turned it off. I'll have to test it later to see if I still get the message. Alternatively, what other thing worked for me was switching around the usb type c end that goes in the phone to the smooth side facing up. The connected side always sets off the message

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model number is 988. I get a message "your call cannot be completed as dialed".

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I did manage to change the settimg to disable and it still gives me the moisture detected warnings

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Try removing the sim card and then sliding the slot back in. I tried that and then my LG G6 started charging.

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I don’t normally work on LG phones but I did have an LG G6 come in the shop recently and I had exactly this problem following a microsoldering repair. I even used the suggestions in this Q&A so I’m happy to contribute back to LG users and experts :>).

Here are my results (which may vary as every phone and situation is unique).

  • I found tons of pocket lint inside the charge port. This is known to cause this error message as well but in my case, cleaning it out it didn’t solve the problem.
  • I cleaned the port with 99% IPA. I wouldn’t recommend WD40 as the OP tried because while it’s great at removing moisture, it also leaves an oily residue. A bag of rice does nothing…compressed air would have been faster and more effective but in my case, there was no moisture inside the port, contrary to what the phone thinks.
  • I tried activating USB Debugging mode in order to disable connection to the LG System Server —> didn’t help
  • I followed @povertyd suggestion. This worked partially, allowing me to charge the device but when I rebooted the device, it was back to the Moisture message again.
  • Because I had worked on the phone, I did a thorough visual inspection under high magnification of the Charge Port Flex and the inside of the charge port itself. No damage to the pins, no (more) visible debris, no dislodged components next to the connectors.
  • In the end, on a hunch, I tried a different USB-C cable and voila…that was it!

My only other option left before figuring out that it was the USB cable was to replace the Charge Port Flex (iFixit doesn’t seem to carry it so here is an alternative). They are inexpensive and relatively easy to replace.

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yeah even i replaced my usb cable then it worked

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Ryan,

Generally when the port detects that there is moisture when it is no moisture it is solved by replacing the charging port.

You can follow this guide to replace the part.

LG G6 USB-C Port Replacement

The part is availible online, for example here is one from amazon.

http://a.co/0NPSHge

I hope this helps,

Charlie B

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I legit just did this, and it worked: Take a lighter and light it. GENTLY wave the flame back and forth in front of the charge port for about 5 seconds (might take longer, I just didn't have to do it for very long). After that, I plugged my phone into the charger and it's charging great now! Hope this helps!

I know this might seem drastic, but hey, whatever works.

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Holy !&&*! This guy diserves a raise! After trying all above suggested fix it tips. THIS worked! Who would have thought

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I tried to use the vacuum not working now I am trying the lighter detect moisture and won’t charge

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Put in warm oven

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Wow it actually works..thank u so much!

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My fix is very simple, now that I’ve discovered it. The charger connection can go either way up. If I plug it in one way, I get the moisture alarm; if I turn it over, it charges fine. Go figure!

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Hi, thank you for this simple tip, it DOES WORK THIS WAY FOR MY LG G6..

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This worked! Thank you so much

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something so simple. thank you.

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Thank you for this very simple fix

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You can try this

*#546368#*930# ----> SVC Menu ---> Moisture Detect Setting ---> Disable

Replace 930 with your G6 model number. Mine was 873 and I turned it off. I'll have to test it later to see if I still get the message. Alternatively, what other thing worked for me was switching around the usb type c end that goes in the phone to the smooth side facing up. The connected side always sets off the message

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Your tip about the smooth side up is working for me. Thanks!

por

Tried the code, but it's still not stopping the message from coming :/

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I've tried these ideas also, seems like changing the cable is the best idea, the other problem since the moister problem started is that my battery drains at a rapid pace it seems I am down to 75% after an hour of use don't know what that is all about also good idea to try to clean the cable c end out if you can. Changing cables works for awhile but the problem comes back

Thank you everyone for the great suggestions

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Charger cable plug in “smooth" side up. It fits the other way too BUT then that's when the error occurs.

I hope this works for everyone.

Spread the wird.

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I had this problem after actually getting wet in the rain. I blew out the port with compressed air and the problem went away.

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Here’s how I fixed it and I don’t know why I didn’t see it before. Press on the notification when it pops up. Go to More Settings. Under Categories it will show the USB notification. There was a 3 dot menu indicator that I hadn’t seen before. Press it. Set notification to Low - no sound or text. That did it!

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I fixed my phone the same way. Now it charges via usb, problem solved.

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Sounds logical, but I could not follow this path on my own phone. The notification appeared in an isolated box on the lower part of my screen and did not respond to taps or swipes. I looked in settings - notifications but did not find anything directly related to this issue.

Wireless charger solved the problem for me, though. I ordered one compatible with the G6. It charges at a slower rate than USB chargers, but it did get my phone charged and functional.

Regardless, I will buy a new phone. I think this software issue is a sign that the phone is declining overall.

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I can't comment on whats happening on your phone and why notification is different. There is another guy who fixed his G6 similar way. Look him up in this thread: Shawn Driscoll.

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Hi. I had to try several things, but what ultimately worked was restarting the phone WITHOUT REMOVING THE CHARGER . I left it connected to the phone, did a restart, and when my LG Venture phone came back on; it charged normally. Works everytime…hope it works for you!

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I had the same problem. I deleted my cache files and restarted my LG6 and the moisture warning went away.

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I just did it and waiting to see thinking it works think it did the trick

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Thinking of doing that but I'm scared that maybe the moisture warning will come back

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In SVC menu I disabled moisture detection and enabled it and it hasn't said moisture detected yet it's only been a few minutes but it worked so far

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Where is my SVC menu I can't find anything like that in my phone

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I have replaced my port twice because of this. cleaned everything a hundred times dried everything a hundred times have had 5 usb c cables, tried every software solution a hundred times nothing works for long. it is just a flawed phone and will be my last LG phone and I would never recommend one to anyone because of this. It is a shame because it really would have been one of my favorite phones so far if not for this ridiculous problem!

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this is my 3rd LG phone.. they all seem to have serious glitches that render them un usable.. in the LG G4’s it was a loop that it got stuck and you couldn’t break.

Now this.. although I love the way the phone works LG G6, I am seriously not going to use any more LG phones.. every time I switch I lose all my custom contact ringtones and a large percentage of my contacts… ugh

So far I can get mine to charge by flipping the charger end up and down till it finally starts charging and quits giving me the message.

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*#546368#*930# ----> SVC Menu ---> Moisture Detect Setting ---> Disable

Tried this, and still gives me the same moisture message. No way around it it seems. Tried blowing into it with a compressed air can, same for the cord. tried a few cords. Message goes away when it wants and returns when it wants. If anyone has a trick other than changing the charging port, please advise ……

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My lg ge showing moisture keep moisture and usg port completely dry

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I brought mine into my T Mobile and they admitted that the glitch is not caused by any moisture at all, but is in fact the result of a system software update. Once you install that update, the phone glitches out. They said the only surefire way to fix, was to get a new phonw. LG hasn't created any updates yet to offset the glitch.

Good luck boys and girls!

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So I read all the posts available, and as far as i can tell, the usb port is usually fine. The main problem is humidity in the device itself. In short, being semi-waterproof has its down falls, humidity becoming trapped inside is one. Camping did it for me. One night outside the humidity bag, and the phone freaked out. So, keeping it short, I was trying to figure out a way to draw moisture out from in side the phone, all with out heating the phone (bad for batteries) or causing internal damage (dust, or other debris from compressed air). I remembered an old earache remedy, while seeming weird, actually works!!!!! So fry some salt in a pan till it browns. Place a cotton (not synthetic , will melt) sock over a mug so you can pour the salt in to the salt directly from the pan. WARNING : Salt will be EXTREMELY HOT!!!! Do not touch the part of the sock containing salt. Place phone on heat proof surface and remove SIM card slot. Place hot salt sock directly beside the phone, so as to cover the opening, but not touch screen, or too much contact with frame. The objective is to block the hole with out touching anything else. The heated salt will draw moisture and humidity, as well as any biologicals in the air in to the salt. Leaving the sock in place until it is mostly cooled, then repeat. It worked well for me. Not more Humidity warning, and the phone still fast charges.

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just started getting this message. bought a wireless charger and it is working.

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I fixed the same problem on my phone. When usb sign caming up in notification bar pull it down to read notification "moisture in usb port detected". Then pull that note to the right half way and tap "Settings" button.. While in LG system settings change priority for "moisture in usb port..." from highest to lowest priority. Done.

No annoying notifications since I did it. And yes, now the phone is charging through the USB port. However I'm not sure what's going to happen if you will get real water in usb port and not system malfunction.  If you do it, you do it at your own risk. Good luck.


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I simply cleaned the usb port by scrapping it with a mini nail

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I did it cause my phone did not touch water at all.

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This is not a bug or malfunction. I faced the same issue 2 days back and this is how i fixed it. When you travel from cold to warm area its possible that the air inside your waterproof phone could gets condensed. With this notification its trying to alert the moisture locked inside the phone ans not just on the usb port. Mositure locked inside the phone could short circuit ans even blow up the phone hence lg has this safety feature. Thia is an issue with most waterproof phones. To solve i did this.

Remove your sim card slot..thats the only way out for moisture once you dry it up. Get a hand drier and force the air on all the edges including the sim slot..then appply the same over the screen and over the back of the phone. Dont over heat. Be patient. After doing this i was able to charge. Next morning faced the same issue. Could be coz thr trapped air got condensed again that failed to escape post heating up. Used hair dryer again and its fixed. I no longer face the issue.. Its an awesome safety feature by lg. You have an awesome phone that values your safety. Be proud of it.

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If that were the case you'd want the notification to come on even when it's not charging over USB. I often charge mine on a cradle for example. It would be an even bigger bug or malfunction if the phone detected moisture and then didn't let the user know until later (perhaps days) when they charged over USB.

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When the notification comes up, swipe down and hold down on it; select “all notifications" - in settings, under “importance” (it should provide “urgent, high, medium, and none" as options) select medium or none.

I would say where it is in settings, but once I did this I've never had to deal with it again.

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Saw this on another forum by a user call djskrillex. I want to give this user full credit as nothing else worked, their fix was a little longer than what I tried but ultimately it works. Turn on your phone, wait until the SECOND LG logo appears and plug the charger in. Charges just fine. Not ideal, but at least you can charge your phone

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This is just a software problem do not throw your phone! it is a great old reliable phone. This started happening to me the moment I upgraded to android pie 9.

What has worked for me from reading here

  1. Turn the usb c port the other way. One side would trigger the warning. The other side would not.
  2. settings -> general -> storage -> Internal storage -> free up space -> temporary files and raw files -> delete all. This seems to be the permanent fix.

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replace data/USB port, about $7 and 15 minutes of work. I tried everything offered on the interwebs. The ports are defective from the get go, mine was acting up from day one when I got this phone.

REPLACE data port, your troubles will go away guaranteed.

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I fix it just using smart doctor

Step 1: Go to settings/ general

Step 2: scroll down until you see smart doctor/ click on it

Step 3: click on optimize phone/ after that finish it start charging again and all good

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This is my response on LG website. “I have seen many people with this same problem and

leave it to LG to not help. Solution is simple folks. Do

NOT turn off moisture protection. It is very important

especially with waterproof phones. Buy a can of "CRC

QD Electronic Cleaner" read instructions first (unless

LG does not give any for this problem) Spray cleaner

in the usb port and usb cable. Insert a few times and

repeat. This will clean the contacts so it wil work and

you will have a smile and a phone that wil charge. Pass

this on...I wil never buy an LG product again for thier

lack of customer CARE. I have a 3 yaer old phone with

Android 7. When I got it they said they would upgrade

the version soon and also stay up to date. I ust bought

a Samsung tablet last year. It had Android 9.0. Guess

what last weekend they pushed an update to 10.0 and it

was simple. I hope LG sees this message and will learn

from the people that make them money.”

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My LG G6 was completely drained out of charge and it switched off. The only way I could turn it back on is to charge it via USB cable (Indian LG G6 does not have wireless charging) and when I plugged the usb cable into the phone when it was switched off, it refused to charge showing a water drop symbol at the bottom of the screen. I was super freaked and tried every possible thing only to watch everything in vain. At last I tried to turn the phone on into Physical key mode/boot menu/whatever mode by pressing power button, and both the volume keys simultaneously. The phone powered on, the ‘LG G6 thinq’ logo came (not the one with animation and music) and it took me to a white screen with my mobile's IMEI and some barcode in it. I plugged in the charger when my phone is on that screen and it showed no warning about moisture. It showed no signs of charging as well, but I knew it was charging because without it the phone would have turned off by itself after few seconds. But is was still alive and showing me that white screen. I left that thing plugged in for half an hour, removed the cable after half an hour and restarted the phone and it got into the home screen. I am pretty sure the issue is not with my phone having moisture because I completely dried my port, and I even opened my Sim tray and left the phone alone. Nothing worked. Moreover, the moisture detected warning came only when I try to connect the charger when my phone is in off condition. It charges fine when my phone is in on condition. Weird!

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I’m also facing that problem but what I did thought it will help me:

I went into my setting>>>App and Notification>>>Apps>>there are 3 dots up there then I pressed them>>>Show system>>>LG system server then press force stop. The moisture warning just disappears but my phone still not charging and if I restart it the moisture warning appears again I just don’t know what to do now I did a lot of things that people mentioned here but nothing seems to be helpful to me.???

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What you need to do is change the actual small charging port . I lived with a LG6 (still have it), it was fraught with charging problems from the get go. Moisture warnings, all sorts of stuff. Did all the fixes I could find to no avail, I resisted because of the surgery needed to change the port. Turns out is was fairly EZ , find a vid online, it will show you how to do the deed. While I was at it I replaced the aging original battery with a higher output unit. Been a dream ever since. I tend to use my phones way beyond normal…

CHANGE THE CHARGING PORT, ALL WILL BE GOOD……………..

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