Hello everyone, I happen to notice that my stock N4 USB cable has a possible missing contact pin (not sure what to call it). The only other USB cables I have to compare it to are Samsung cables and all the pins are there. I'm curious if that pin is left out by design or it is a defect. Without knowing if it's left out for a reason. I have been reluctant to use my other cables because they do have that extra pin. I'm thinking maybe more pins could be bad if the N4 wasn't designed for it? So my question is, do you folks have all the pins on your stock N4 USB cables. Thanks in advance, Peace.
PS I have had two charging discrepancies since I've owed the phone. Twice when I plugged in (wall socket) my phone shot up to 100% instantly. I had to unplug, power down, plug back in, and power back on to get the proper battery reading again.
Mine appears to be missing too. Maybe it is built that way. I didn't notice until I just checked. I haven't had any problems with file transfers using the cable with my computer or with charging.
Edit: Found this thread on another forum that explains 2 other users having the same issue with their nexus 4s. It appears to be normal. http://forums.androidcentral.com/google-nexus-4/246222-nexus-4-oem-usb-cable.html
Check out the other end. You should only have 4 contacts there too.
They build it like that to save money (less metal). You only need 4 contacts for a USB cable. (The phone side will have all 5 for use in slim port, OTG, etc.)
From left to right in your picture you have:
Ground
Data-
Data+
Voltage
And that's all ya need.
Sent from my Nexus 4 using Tapatalk 2
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phone only started doing this over the last couple months, used to be able to plug in (either charger / cable) and charge in AC mode without supervision.
Nowadays, it takes several plug in attempts to even START in AC mode, but typically it'll drop down to USB (the screen comes on momentarily when the change occurs) at some point in the charging.
Worst case scenario, it'll change rapidly back into AC and out, to the point where I can watch it on happen on the screen. That's rarer though.
It never changes INTO AC and stays there, to be clear. Always a downgrade to USB charging.
Is something wrong physically with the jack on the phone? I've never damaged the phone, dropped in water, etc.
If RMA is what's suggested as my only option - is that a brand new phone or refurbished?
Use another USB charger, its a known problem with the supplied LG charger with the N4. I myself have this problem but am using another charger and its fine.
The USB cable has no problems btw, its the charger itself.
Can you link to your sources on this being a "known problem" ?
I'm pretty sure the same issue persists with my old Samsung charger too - the one supplied with the Galaxy Nexus. So.. that suggest the problem is with the phone, not the charger/cable.
i also have the exact same problem just now.. i'll try using another charger tonight at home..
just now i charged my nx4 using its original charger, in just a couple of minutes, the phone is saying that its being charged using usb.. stupid..
I'm also getting this at the moment, I'm completely stock, not even rooted and this has cropped up only since the 1.8mb Security Patch....
Any fixes?
Will root if I can fix it....
I was/am having this issue as well. I typically charge my phone via car charger (works fine) or wireless, so I can get around this issue easily. Plugging it into the PC and enabling fast charge with franco's kernel works as well.
I tried my N10 charger and it was dropping to USB as well. When I'm at my friend's place and use his generic charger, it works fine.
I used to have this issue but ever since I updated Android to 4.3, my charging works just fine.
Sent from my Nexus 4 using xda premium
filthykid said:
I used to have this issue but ever since I updated Android to 4.3, my charging works just fine.
Sent from my Nexus 4 using xda premium
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Might try a factory reset and see does it make any difference...
do we have any more thoughts on this issue? is it a software bug? is it hardware? which hardware? I am going to experiement with a few different wall chargers and usb cables.
so 3 chargers (Galaxy Nexus' , Nexus 4's, USB 3.0 port on PC) and 3 cables (likewise + cable from monoprice)
SEEM to yield the results, that the problem is the connection between the cable and the phone. The oldest and most used cable has the hardest time establishing and maintaining an AC connection, the newest/lest used one from monoprice has never had a problem, and the LG cable is in the middle.
Is this an issue of wear and tear on both the cable connectors and the phone's port? It's really lame the phone and it's cable are not even a year old and THAT can't stay charging at AC voltages.
Will a replacement phone from Google be a refurbished unit or brand new?
bump
deusfaux said:
If RMA is what's suggested as my only option - is that a brand new phone or refurbished?
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Click to collapse
They will send you a new (not refurb) phone and you will have 21 days to send back your old phone. The replacement process is super easy, just call them at +1 855 83NEXUS and tell them your issue. They will walk you through a factory reset and if the problem is not fixed they will replace it.
I've had issues with the microusb port on multiple phones in the past, and have definitely noticed the N4's socket getting looser.
On an old HTC sensation, I had to resolder the port on. Can you reproduce the behavior by applying slight pressure to the plug in various directions?
Does your connection also intermittently drop out when connected to a computer?
A workaround for the time being could be to use a kernel that allows you to force fast charging regardless of the detected charger. But at that rate, it's quite possible you'll lose your usb port altogether sometime in the future..
You could also enable adb over wireless, and check the charger type:
Code:
cat /sys/kernel/debug/msm_otg/chg_type
You should be seeing DCP (has the data pins connected, possibly with some resistance).
Or proprietary if you're using an Apple-compatible charger (has aspecific voltage on the data pins).
If you see SDP, it means it's in "USB" mode.
If it's staying DCP/proprietary but the charge rate is dropping to "USB," it means the phone is throttling down the current because it's detecting the charger can't deliver (voltage dropping below threshold).
with the good cable (monoprice), wiggling has no effect.
with the poorest cable (samsung), wiggling will rapidly change it between AC / USB / nadda
with the LG cable, wiggling, will SOMETIMES have an effect. sometimes it's solid and will only become a flaky connection after it's been charging a while already
So, I apparently did something very stupid with my new Nexus 7.
I have a few 1 TB external hard drives, which don't get enough power via an OTG adapter from the Nexus 7 to run. So, I purchased a two into one cable -- that is, a cable that combines two male USB A plugs into one Micro USB B plug so that a USB 3.0 hard drive can use two USB 2.0 ports to have enough power. I had planned to use this to enable use of the hard drives with the Nexus 7 while traveling by plugging one cable in the tablet and the other into a charger.
When I got the cable I tested it by plugging one of the USB A plugs into my Nexus 7, and then I plugged the other into my computer's USB port. The Nexus 7 promptly shut down, the computer complained of a power surge on the USB port, and a distinct smell of melted plastic came from the computer's USB port. I guess the combining cable didn't combine so much as it just acted like a double headed male A USB cable and shorted things out?
The Nexus 7 refused to restart afterwards until I it plugged it into its charger. It works now, mostly. However, if its battery charge is above about eighty-seven percent then it always reports that it is charging, regardless if it is plugged in or not. And if I plug it into a computer while it is reporting that it is charging I have to restart the tablet to get it to connect to the computer -- I guess it thinks it is connected to a charger and doesn't bother checking for a data connection unless restarted.
The level where it stops thinking it's charging varies somewhat -- I've had it still claim to be charging all the way down to eighty-two percent charge, and by repeatedly opening the battery app over and over again I have been able to get it to notice that it's really not charging all the way up to ninety-one percent, but no higher, and I have to open and close the battery app an increasing number of times for every percent that it goes up over eighty-seven before it will notice it's not charging.
Any idea what kind of damage I'm looking at? How to fix it? Whether I can get the warranty people to fix it free of charge? If yes, whether they will send me a new one or just fix the one I have? Whether it's worth getting fixed since it mostly still works, and doesn't really bother me as long as it doesn't get worse?
Nothing?
Nothing from anyone?
Try replacing the internal USB plug? About $25. Easy to do your self.
Ok. So I was given a Nexus 10 that wouldn't turn on. After replacing the micro USB cable and testing it, I still haven't found the problem. I have found that when I power it from the right connectors on the dock port, it powers it. However I wanted to go further(actually, I broke my dock connector and waiting for new one in the mail and it has caused me to want to experiment more [emoji14]). I want to directly power the tablet from the battery connecters. My question is, which if the 4 cords leading up to the battery would actually charge the battery? I've tried many combinations and I've only gotten it one time but I don't rememebr the connectors I was touching and I haven't gotten it since. It doesn't seem that I've shorted anything out, so it should be fine. So I'm asking here. Which of the 4 cords of the battery that lead into the motherboard would power and charge it?
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from left ，1 pin is - and 4 pin is +5v
I am using the cable provided and an Anker cable. When I put the cable In the phone it stays just fine but defiantly wiggles from side to side. I am worried it will damage stuff inside. Anyone else have this issue.
photodude56 said:
I am using the cable provided and an Anker cable. When I put the cable In the phone it stays just fine but defiantly wiggles from side to side. I am worried it will damage stuff inside. Anyone else have this issue.
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Click to collapse
it's normal, I can confirm because I have usb-c ports on pc and they are same as on phone - wiggly. as long as you cant pull it out with no effort it's ok.
trasheris said:
it's normal, I can confirm because I have usb-c ports on pc and they are same as on phone - wiggly. as long as you cant pull it out with no effort it's ok.
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I was concerned when i was charging the phone and the cable came out at a small angle and not straight out?
photodude56 said:
I was concerned when i was charging the phone and the cable came out at a small angle and not straight out?
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how small? it moves ~1mm total in both directions. it looks almost straight, I think. if you can move it more then it might not be normal.
I posted about this a few weeks back with this problem. The type c port on the phone is loose but if you can move it left and right and don't feel comfortable I would exchange it. I had this problem and had to exchange mine, Also note not all USB type c cables are the same. Cheap manufacturers will not adhere to the groveless type c male design ( like the weird zig zag on the older USB cables) that will damage the port.
However,The Anker cable you have is probably the Anker power line USB type c to 3.0 and from experience it's a decent cable but no quick charge 3.0 due to the cable adhering to official type c specs which do not allow it to pump so much amps to the phone.
Hope this helps sorry if my grammar is horrible it's like 5 am
Yeah, I have the same thing. I just think ZTE left the port "loose". It fits way tighter on my oneplus 3..
Axon 7 usb type c charging
Hi, I 've bought a new Axon 7 (128gb 4gd Rom or A2017 model). When I shut the phone down and insert usb type c in the port(in one fell swoop and in one push)it starts charging and it shows a battery shape that above it is written "quick charging" in chinese language, but again when the phone is shut down and this time first I insert half of the usb type c in the phone's port and wait until the phone vibrates then I push the other half of the usb type c in the port and this time it also shows a battery shape but above it is not written quick charging in chinese language and also it is actually not charging at all and is stuck at a certain battery percent. I just wanna know if your Axon 7 is and acts the same as mine so please try it and tell me?(I think this issue is because of usb type c cables and nothing is wrong with the phone cause I've seen Lg g5 acts the same when I tried it)
Hello all,
First thread here and hoping you guys and girls with more experience can help.
Basically I am fitting my nexus 7 2012 in my car but its got the common charging problem where my battery drains faster than I can charge it.
I have ordered a new USB port strip as I've read that can fix it and fingers crossed with that.
My problem/requirement:
1. I want to charge the tablet via the usb port using a hardwired 5V 2A device this will be plugged into a otg y splitter which is then plugged into the tablet.
2. The USB A side of the splitter I want to connect to my cars ECU (it has a USB port) so I can read the data on that (basically a very expensive memory stick)
I wanted to confirm that this would work and id be able to read data at the same time as charging it.
I also wanted to double check I'm not somehow going to send my 5v 2a power down into my ECU and set it on fire
On a side note, if my new USB port replacement doesn't solve the issue of charging the tablet i will have to remove the battery and hardwire it in, will i still be ok with using the USB port for the ecu while charging hardwired with no battery?
Kind Regards
Tim
Getting any USB 2.0 device to take current while hosting is tricky.
Usually it involves talking directly to the PMIC (power management IC).
If it's a fixed installation, why not remove the battery?
It will avoid the grief of the battery swelling up, which is not too unusual for things plugged in all the time.
I've been using a Nexus 7 (2013) for a few years, but just charging on USB.
It started falling out of its nice holder.
That's when I realized that the battery was all puffed up making the back convex.
I cut off the battery cell itself on the metal tabs and soldered in wires to a 4 V 2 A supply.
I found out that the BMS is a bit balky, it refused to turn on.
So I connected it to USB to "charge" it for about 10 seconds.
Then I could turn it on (without the USB).
Ok, I could have bypassed the BMS entirely but that can be a whole 'nother can of worms too.