Charging Cable Problem - G4 Q&A, Help & Troubleshooting

Hi everyone.
I'm having this weird problem.
When I first got my phone, the charging cable started having some issues where it would just stop charging/having connection problems for no reason.
I sent the cable to the warranty and got a new one. Everything was fine until tonight it suddenly happened again. The cable charges properly just as long as you don't move it. If I move it to the side, I feel a 'click' and that's when it stops charging.
My Nexus 9 and my gf's S6 cables work just fine, no issues. And the G4's cable also works just fine with either the N9 or the S6. It's just the G4 that seems to have a problem.
I could just use the G4's cable to the N9 and vice versa, but it got me curious, cause if it's the phone's problem, it might be slowly ruining my battery.
Has anyone else had a similar issue?

I did on my g3 i crimped the cable end everso slightly tighter and its good for a few months and does it again i think lgs have got sloppy ports. Most other cables ive used have all eventully done it

Related

Touch screen extremely unresponsive when charging

So when the unresponsive screen when grounded issue came about, I didn't really notice the problem much myself. However, recently, and I'm not sure when this started, the screen has become horribly unresponsive when charging any time! Doesn't matter if it's on desk, in my hand, stock charger, 3rd party charger, etc., if it's charging at all, the touch screen only accepts half or less of my inputs, making typing impossible. Is this due to the last software update? Anyone else experience this issue? I would exchange the phone, but not if it's not going to help anything.
this happens to me when i use my cheap ebay charger
The fps lifting kernels fix this.
+1 for symtoms seen when using a wonky charger/cable.
+1 due to cheap charger - anyone know why this happens? is the OEM usb cable different spec from the cheap ones?
Hate to beat a dead horse, but the same happens when I plug my phone into the charger I got from eBay. Kind of disappointing, considering that I would otherwise be able to charge two batteries at the same time.
I notice this issue with the stock charger.
I believe the issue was when its not grounded..
Being plugged in is just about the most grounded your phone can get.
That's not the problem.
Starting to do it to me also now.
Just to be clear, this happens to me with the STOCK charger.
r546 said:
Just to be clear, this happens to me with the STOCK charger.
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Click to collapse
I'm having the same issue. i just chocked it up to the new kernel.
one thing i did notice is it seems to be intermittent. Yesterday night, it worked fine. this morning(conveniently when my alarm went off) i could NOT get the dismiss thingy to slide down.
Anyone else experiencing this? I do think it got worse after last software update. Would be nice if the next one improved things.
I emailed support, they did not say anything about it being a known issue, and suggested a factory reset. If that doesn't help, they recommended using my warranty. Would like to hear from more people before going through with the reset.
It happens to me when charging via outlet. Charging via USB connected to computer does not produce the issue.
I think it has to do with grounding.
Same thing happens to me! I noticed it with my aftermarket wall charger.
Bringing this back up, happens to me with a Stock charger.
Is it really the kernel? :\
@Person who said charging is the most grounded, the stock charger is not grounded ( in AU anyway ) and therefore it is the LEAST grounded.
ive noticed this happening over the past month or so. i've got to admit i've only really noticed this when its plugged into a usb cord i got off ebay. relieving to think it might only be an issue with it being a cheap cable and not the phone but i'll verify tonight with the stock cable.
I've been plagued by this problem for weeks and just discovered that it only happens when charging. I use the stock charging cable and wall adapter. I'm very, very happy to know what the problem is. I'm going to start testing this at various locations.
EDIT: I've tried this on both the wall adapter at work and on my work computer's usb. Same problem, though it seems worse when plugged into the wall outlet.
The touchscreen is fine on my sprint brand car charger and on the usb charger on my laptop. However, it starts missing taps when I plug my usb cable into my usb car charger. I'm going to best buy tonight to buy a different charger and see if that helps.
Sent from my Virus Infected Evo using the XDA app.
I have these issues as well with the stock charger and cable regardless of which kernel I use.

Stock Cable > Hard to Plug on the Charging Port of the Phone

I just purchased this unit. is it normal that the Stock Cable is Hard to Plug on the Charging Port of the Phone..
i need to try so many times before i can plug the charging cable to charging port of the phone before i can plug it successfully. i'm thinking of breaking the charging port if this is the case? Anyone who have the same concern? Thanks
bong0x00 said:
I just purchased this unit. is it normal that the Stock Cable is Hard to Plug on the Charging Port of the Phone..
i need to try so many times before i can plug the charging cable to charging port of the phone before i can plug it successfully. i'm thinking of breaking the charging port if this is the case? Anyone who have the same concern? Thanks
Click to expand...
Click to collapse
I noticed this as well. hopefully if something gets broken its more likely to be the connector on the cable than the charging port. I have tried a few other cables as well and all are pretty difficult to insert.
Well the way I see it would you rather have it flop around and be loose, or have a night tight fit?
On a more serious note I had the same issue when I first recieved my F400S. After a week or so it got better, you can always try an older micro usb cable thats more broken in to avoid this issue.
when i first got the phone it was like what you've desribed. but after a while, it wasn't an issue anymore, i guess its a good sign that the phone is brand spanking new.
Same for me, hard To plug in ...
Sent from my LG-D855 using XDA Premium 4 mobile app
Hi,
I tilt the usb-connector up (just a bit) while plugging it in.
Greetz
It requires a downward angle tilting towards the device to insert.
Same for me, but once you're using qi charging and Wi-Fi file transfer, you'll hardly ever use the port.
got it! it was like virg** phone. haha..
wow same issue here.
bong0x00 said:
I just purchased this unit. is it normal that the Stock Cable is Hard to Plug on the Charging Port of the Phone..
i need to try so many times before i can plug the charging cable to charging port of the phone before i can plug it successfully. i'm thinking of breaking the charging port if this is the case? Anyone who have the same concern? Thanks
Click to expand...
Click to collapse
Only way to get it in is by tilting the cable downward. Tried few cables, they are all doing the same thing. Exchange perhaps?
Sini-Siki said:
Only way to get it in is by tilting the cable downward. Tried few cables, they are all doing the same thing. Exchange perhaps?
Click to expand...
Click to collapse
Tilting the cable to plug in seems to be the norm on pretty much every G3. I doubt exchanging it will help.
Once you've done it for a while, it should become pretty easy to do.
Tilting the cable and just dealing with it are fine, but what happens when you stay finding usb cables that don't want to charge your G3 properly? I have one (very nice) 10ft cable and my phone plays a game of connecting and disconnecting while trying to charge with this cord. This courts does not give me the same problems on other devices. However the G3 charges just fine on all my other cables. Not using this cable is an obvious answer but i worry that the problem could get worse and what if I start having problems with other chargers?
For now, the solution is to tilt the cord slightly downward (or upward, depending on your perspective) as the port is just sliiiiightly more flush with the opening. My advice is to get used to doing this. A broken charger port is really a PITA, so taking an extra 2 seconds to plug it in is the prudent choice. My dad gave me a lot of good advice when I was growing up, and one of the gems turns out to be "don't force things."
As mentioned, once we get some wireless charging back covers on a more accessible basis, we'll all just use wireless charging and never plug in again. Except in the car.
The cable from my old GS4 plugs in very very easily. I haven't tried charging with it tho. I use it mainly for usb mtp.
Posted from my LG-D850
Difficult at first. It did get better for me though. I too thought i had damaged it or that it had shipped that way. And I also thought I was just breaking it more each time I charged and contemplated exchanging LOL. Make sure cord is facing the right way first (im still trying to put it in upside down sometimes), then you do have to tilt it down a bit to get in initially and then it tilts slightly up before fully inserting. It was very diificult to do the first couple days. Day 5 and its way easy. Hope this has helped and put your mind at ease This is my first Android phone and i'm luvin it!
the past new phones i had. was always hard at first to plug it in.
just gotta lube it up
Any new updates on this? I guess tilting the cable a bit is working, but will it ever get to the point it will go straight in? It really appears that this is not a defect but a LG design for the port.
Sent from my LG G3
still the same.. still virgin after many charging cycle
I agree with what was previously stated, after a week with phone, I've become used to putting the cable in. I'm pleased with the tight fit as I've had devices where it feels loose and unsecured.
It ain't nothing but a G thing baby... Lg G3 LGSL990

G4 Charge/USB port issues

I've had my G4 since almost launch day and within weeks the supplied USB cable stopped charging the phone. I thought it was a cable problem, but it worked fine with other devices.
I tried other cables with the G4 and these still charged it so I thought nothing more of it until charging degraded with every USB cable I own to where the phone would only charge 20-30% during an overnight charge and the phone would frequently not recognise it was plugged in at all. I contacted LG who did a repair under warranty and all was fine.
I've now had the repaired phone back for about 3 weeks and the same problems are starting up again and it's only a matter of time until I am forced to return again for a repair.
Is anyone else having similar problems? I thought I may have just had an unlucky manufacturing problem, and the LG reps confirmed that to repair my phone they basically replace all the internal circuit boards and components rather than just replacing the individual component that is faulty (in this case the USB/charging port)
Basic debugging includes asking stupid questions, so please forgive but still answer any of those
Are you using a different charger? If so, check if that one is within specifications and if you do send in for repair again, use a different charger.
Are you propping up the device at an odd/weird angle or in a dock of some sort with the cable attached?
(As they replaced the entire print, it's probably not this, just the USB-micro port bent or broken.)
You could double check the wall outlets being used, there might be some kind of electrical problem there.
Either using all kinds of fancy electical testing gadgets, or stick a USB light into the hub or charger, does it flicker?
When sending it back for repairs, did they check the stock charger as well?
Hopefully these questions help you find any logical or plausible cause.
FreezyExp said:
Basic debugging includes asking stupid questions, so please forgive but still answer any of those
Are you using a different charger? If so, check if that one is within specifications and if you do send in for repair again, use a different charger.
Are you propping up the device at an odd/weird angle or in a dock of some sort with the cable attached?
(As they replaced the entire print, it's probably not this, just the USB-micro port bent or broken.)
You could double check the wall outlets being used, there might be some kind of electrical problem there.
Either using all kinds of fancy electical testing gadgets, or stick a USB light into the hub or charger, does it flicker?
When sending it back for repairs, did they check the stock charger as well?
Hopefully these questions help you find any logical or plausible cause.
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Click to collapse
Hi FreezyExp,
1. I am using the standard charger that came with the phone, but this has not been repaired/replaced. I have tried other chargers too, but all the same issue.
2. No weird propping up or anything like that. If I hold my phone while it is plugged in it is constantly vibrating as the charger connects and disconnects, and if I place it on the desk to charge I have to ensure that I have at least 3-4" of cabe "on the desk" to give it enough support to make the connection.
3. Wall connection is fine and I have tried it with a range of outlets around the home, both with extension sockets used and plugged directly into the wall and there is no different. No flickering light when using a USB light either.
4. When I sent it back all they asked me to return was the main section of the handset - so no battery or rear cover, no cables or chargers etc
It does seem to be the same issue as last time, a USB connection becoming loose from the main motherboard, but it seems weird that I have had the same issue twice in the space of 4-5 months.
I've been having some sort of problem with my G4 usb port. If I plug it in to a computer, it will lose connection and get a connection again if I barely touch the end of the cord at the phone end. I've tried many different cords and different usb ports on my computer, but it still has problems.
I can't fast charge, either. When I plug it in to fast charge, it actually starts discharging even faster. I've had some extreme battery life problems, too. It drained from 100-36 the other night with everything disabled, and it's been doing that kind of thing a lot lately. I'm guessing that the charging port is what's messing up my battery life because it won't charge correctly.
Never dropped it or anything.
I got my G4 on January 24 and my USB port has also failed. I am getting a replacement from Verizon, but am concerned that a six month old phone has this issue.
I also own a G4 H815. A while ago the phone started not receiving any charge from the cable and I would have to prop it up from right under the cable's micro usb end. Thought it was because it was bent inside the port and not making connection with the cable so I had the port replaced. Now I'm experiencing the same problem and I think it might be the cable that's already gone kaput and is effing up the port itself. I took the phone to the same place to get the port replaced again and bought new cables (I lost both the original adapter and the cable, which were charging slow anyway. Now using a 2A Asus adapter which works great) and when I asked the guy at the repair shop, he says it's a chronic issue with G4 devices. I don't really understand how it would happen twice in just a few months even with a new charger port. What should I make of this? Did they replace my port with an already faulty one, cahrged me full price and now trying to sell this bogus or am I really doomed with this phone?

[Q] Charging Port Disconnects When Moving Cable

When I have my cable connected (both original and aftermarket) to the phone, data transfer will suddenly stop when I move the cable around due to moving the phone. Say for example I connected the phone to the car to use Android Auto, if I get my phone and move it a couple inches to change the music outside of Android Auto, my connection will be lost and I'll have to reconnect to Android Auto again. At first I thought it was a bad charging cable so I tried a whole bunch of cables, including OEM Samsung and LG cables but no luck. Thinking it's a bad charging port, I changed the charging port but it's still doing the same thing. What could be causing this issue? Did I get a bad phone when I purchased it a year ago?
geokilla said:
When I have my cable connected (both original and aftermarket) to the phone, data transfer will suddenly stop when I move the cable around due to moving the phone. Say for example I connected the phone to the car to use Android Auto, if I get my phone and move it a couple inches to change the music outside of Android Auto, my connection will be lost and I'll have to reconnect to Android Auto again. At first I thought it was a bad charging cable so I tried a whole bunch of cables, including OEM Samsung and LG cables but no luck. Thinking it's a bad charging port, I changed the charging port but it's still doing the same thing. What could be causing this issue? Did I get a bad phone when I purchased it a year ago?
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I totally understand what you're talking about, I've had the same issue since Dec '17.
No, it's not a faulty cable or even a faulty port. If you go to a service centre, they'll micro-clean the port which actually solves the problem albeit temporarily. It's just that the charging port on the 5T is way more sensitive to dust accumulation than most other phones. I had asked them if I could clean this out myself somehow and they said no, but I'm sure there must be some hack to DIY this.
I had the same issue, I used a plastic tooth pick to clean the charging port, some dust and cotton particles came out and since then charging works flawlessly
Well I changed the port and still having the problem despite using different cables. Guess I have a defective phone?

Dex keeps connecting/disconnecting... S20+ Exynos

My phone does that when using a USB hub with HDMI, it does work with my friends S20+
What can it be?
anykill said:
My phone does that when using a USB hub with HDMI, it does work with my friends S20+
What can it be?
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Click to collapse
Dex needs a Knox-App called "KnoxDesktopLauncher" in /system/priv-app/. Make sure its on your device. Maybe you have deleted it.
Not sure if related, but today I noticed similar issue on my regular S20 with USB-C earphones, they kept connecting and disconnected, which resulted in media pausing, and audio playing through loudspeakers. Wiggling USB plug gently, and phone recognized earphones, only to lose connection shortly against.
Gently Wiggling USB connector in all directions, including pushing it deeper, and pulling it towards yourself, reproduced the problem everytime, which leads me to believe the USB-C port is broken.
This is strange. My phone is just around 4 moths old, I very rarely use USB-C earphones, and last time I checked (around a month ago), everything worked fine. The only thing I plug on a daily is a charger, never in a car, or in any place where port might be stressed.
The reason why I noticed this issue only today, is because I wanted to listen to some music, and had AKG USB-C earphones laying close to me.
USB-C charging cable managed to break the port, in such a short time, just wow.
By the way, charging works fine, USB is acting up only when data transfer is involved.
So check with other USB-C devices, maybe your port is also broken. Plug bundled AKGs, play some music, and wiggle plug gently, music will pause if connection lost. Also you'll see headphone symbol flashing in and out.
I think people might not notice this issue, because pretty much everyone I know switched to wireless, so this can remain unnoticed for months, or longer.
And what's the case with root? I've rooted mine with magisk and since then Dex only connects/disconnects... Is there any option to get it working on a rooted device?
Same problem here, not Dex (i don't use it) but with charging.
It keeps connecting/disconnecting while charging if I move the cable. Really annoying.
It sometimes also charges slowly or not at all while it does say it is connected...
agieja said:
Same problem here, not Dex (i don't use it) but with charging.
It keeps connecting/disconnecting while charging if I move the cable. Really annoying.
It sometimes also charges slowly or not at all while it does say it is connected...
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I think our phones have broken USB-C ports, and also, after reading many reports, starting to believe that S20 series phones have a weak port design. I'm very gentle with my tech, so at least in my case, it's either manufacturing problem, or a bad port design.
From what I gathered online, first symptoms of a failing port are problems with anything data related, like in my case, USB-C earphones connecting/disconnecting causing media to pause, then problem becomes more severe, when it's not just media pausing, but phone losing data connection entirely, resulting in complete connection loss to a peripheral, when you have to wiggle plug to reconnect, only to lose connection again shortly after, and finally, these data issues lead to charging issues, like ones you describing, connection loss to a charger, appearance of charging.
I still have around 20 months of warranty left, but sadly right now need my phone badly and have so much data that I need to back up, so warranty is not an option, at least for now, I have to buy wireless charger, in case USB-C port fails entirely. S20 keeps disappointing me.. Sigh.

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