I have not had to charge the keyboard for weeks.
I'm making a small otg cable in case I need to.
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I bought a Nexus One with the infamous broken power button issue, and I am curious what would the effect be if I short the VCC and GND line in the charging port? Has anyone tried that? I am thinking that it will either fry the board or trick the phone to think that it is charging.
The reason I want to do this is because I travel a lot and I might not have access to USB charging if I want to swap the SIM card. I am familiar with the other tricks regarding remapping the trackball_center and I am going to install a version of CWM that doesn't support charging (that way the phone boots when I plug a charging cable).
So long story short... what do you think about attempting to short the micro USB charging/data port?
dcalpha said:
what do you think about attempting to short the micro USB charging/data port?
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Not much.
Unless the unit is in USB host mode there will be no voltage on the Vcc line.
Even in USB host mode it should be current limited and do no damage.
Still, I wouldn't do it.
I don't know why you think that shorting it will do something useful.
Renate NST said:
Not much.
Unless the unit is in USB host mode there will be no voltage on the Vcc line.
Even in USB host mode it should be current limited and do no damage.
Still, I wouldn't do it.
I don't know why you think that shorting it will do something useful.
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I actually do not know, thus I asked... just trying to think outside the box about a way to trick the phone to think it is charging short of carrying a portable battery charger with me (which can be problematic on carry-on luggage).
Another idea I am thinking about is building a small flex cable using a conductive ink pen that permanently connect to the phone's battery on one side and a cut down male micro-usb on the other side (to slim it down). Such cable would be small enough to fold under the battery cover and allow it to close.
My question is: Will the ~3.7v be enough to get the phone to start charging? and do you foresee any issues with feeding power from the battery right back into the phone's charge port?
dcalpha said:
Another idea I am thinking about is building a small flex cable using a conductive ink pen that permanently connect to the phone's battery on one side and a cut down male micro-usb on the other side (to slim it down). Such cable would be small enough to fold under the battery cover and allow it to close.
My question is: Will the ~3.7v be enough to get the phone to start charging? and do you foresee any issues with feeding power from the battery right back into the phone's charge port?
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I think 3.7 won't be enough. Coz usb giving ~5V. So phone won't charge at smaller voltage.
A Nexus 10 with Android 4.2.2 cannot be concurrently charged with a pogo plug while using a USB OTG connected accessory. Has this deficiency been fixed with the Android 4.3 update?
I wonder if this isn't so much a deficiency as a way to protect people from frying the tablet by charging through pogo and usb at the same time. So by default they disable usb while pogo's charging.
Sent from my Nexus 10 using XDA Premium HD app
lynnux said:
I wonder if this isn't so much a deficiency as a way to protect people from frying the tablet by charging through pogo and usb at the same time. So by default they disable usb while pogo's charging.
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Well for the Nexus 7 (original model) there is a custom kernel that enables what I am asking about. Also from what I read it seemed like a deficiancy as the code is there to stop concurrent charging from both the pogo connector and USB but unfortunitely it is cutting off pogo charging even when a OTG USB device is drawing power and not charging what so ever. The notification charge indicator displays as if the device is charging but that is false. An OTG cable has more pins (5?) than a USB charging cable (3?) so it seems a solution should be possible.
I'm no expert and am only going by what I've read but it makes sense to me that when the microUSB port it not charging that the pogo connector should be able to. Personally I think the pogo connector has been abandoned and will not likely be included in the Nexus 10 refresh unless Android 5 (Keylime Pie) addresses this issue. Assuming, of course, it has not been addressed with Android 4.3.
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.
Hi, I have a micro usb cord that I have been using a long time, but just recently it wont charge my device unless I push it down. Im pretty sure that the pins in the male side arent making contact. Other cords work fine. I was wondering if I could somehow bend the pins up in order to make contact.
Usb port sounds faulty on this legacy device. Cut an extra USB cable. Solder or connect internally +/- points to the magnetic points on the side. Been running it on both mine and my wife's device ever since broke our USB port spoilt. Battery and charging is still good till today.
Hand my Nexus 6P three days now. Everything has been fine until this after noon.
Came home and put it on it's stock charger took it off a few hours later and noticed it was at 78%. I put it back on the charger and say it was not taking a charge. Here is where it get strange. The phone will charge off other chargers and the Nexus Charger will charge my LG G5 but the Nexus xharger and the Nexus will not work together.
Don't know if this matters, but I have noticed that the USB-C port of the Nexus 6P is a bit tighter than that of the G5.Don't think that should effect anything, but thought I'd mention it.
As i just got it I'm considering taking it back to Best Buy, but it's the 128gb model and I'd have to wait for a replacement.
Any ideas or should I just exchange it.
OK, this is a new one...
I rebooted the device and it seem to be charging with the stock charger again.
I'll have to keep my eye on this.
In the past I've noticed charging issues (on the 6p or previous android devices) can be caused by a dirty usb port (sometimes it's even caused my phone to restart over and over). I *carefully* used a bent paperclip and a *small* piece of cotton soaked in rubbing alcohol (I used ripped the end of a toothpick) to clean out the port. I got a decent amount of gunk out of it. (Caution though, I've also broken several ports and had to send for an asurion replacements when I wasn't extremely careful while pressing down on the middle tab/contacts of the usb port.)
EvanVanVan said:
In the past I've noticed charging issues (on the 6p or previous android devices) can be caused by a dirty usb port (sometimes it's even caused my phone to restart over and over). I *carefully* used a bent paperclip and a *small* piece of cotton soaked in rubbing alcohol (I used ripped the end of a toothpick) to clean out the port. I got a decent amount of gunk out of it. (Caution though, I've also broken several ports and had to send for an asurion replacements when I wasn't extremely careful while pressing down on the middle tab/contacts of the usb port.)
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Hummm.... I might just use compressed air every so often to try and keep things out of the USB port. Don't wanna be sticking things in there that might break it.
But the phone is just a few days old so I don't thin that was my issue.
I have a new Nexus 6P, and mine seems very finicky when charging over USB using a Benson Leong approved Type C-to-A connector. In fact, I end up losing a charge quite rapidly sometimes, as if my Nexus is trying to charge my desktop computer (i.e. "power supply" mode), even though it's in USB charge mode. However, it will work fine on a wall charger. I try to avoid wall chargers since it's hard to beat computer power - I mean the wall charger isn't a 650W 80+ Platinum PSU with all the fancy safeties and ripple suppression. Any idea what it could be? I think it might be a software bug.
jerm1027 said:
I have a new Nexus 6P, and mine seems very finicky when charging over USB using a Benson Leong approved Type C-to-A connector. In fact, I end up losing a charge quite rapidly sometimes, as if my Nexus is trying to charge my desktop computer (i.e. "power supply" mode), even though it's in USB charge mode. However, it will work fine on a wall charger. I try to avoid wall chargers since it's hard to beat computer power - I mean the wall charger isn't a 650W 80+ Platinum PSU with all the fancy safeties and ripple suppression. Any idea what it could be? I think it might be a software bug.
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First, just use the wall charger.
"I try to avoid wall chargers since it's hard to beat computer power - I mean the wall charger isn't a 650W 80+ Platinum PSU"
you are very wrong with that statement!
Depending on the trype of USB you computer has it will only supply a fraction of the power your charger will. USB 2.0 will max out at 500mA (.5A) USB 3.0 will max out at about 900mA. Many of the ports on you PC will supply even less power, usually one one port will actually supply the the full power of the USB standard. The PSU on you computer has nothing to do with it.
It is generally recognized that that using a computer to charge you phone is very slow and only if you have no other option, and even then you have to plug it into the main port to make sure it has enough power to charge (slowly) you device. Unless you lucky enough to have a new computer with USB 3.1 type-C that can deliver up to 3A, stay away from charging from you computer.
I just tested on four on my computers USB ports on my computer and only one gave me a little over 1A and that almost 1/3 of what the Nexus wall charger can do.
RojasTKD said:
OK, this is a new one...
I rebooted the device and it seem to be charging with the stock charger again.
I'll have to keep my eye on this.
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My 6p did this after I used a cheap usb a-c cable off eBay to charge my device in the car, after a reboot and a replacement a-c cable (belkin this time) I've never had issues again. Like you I only had issue with the original nexus charger when I went to use it at night, other chargers were fine, and a reboot did solve the issue.
RojasTKD said:
First, just use the wall charger.
"I try to avoid wall chargers since it's hard to beat computer power - I mean the wall charger isn't a 650W 80+ Platinum PSU"
you are very wrong with that statement!
Depending on the trype of USB you computer has it will only supply a fraction of the power your charger will. USB 2.0 will max out at 500mA (.5A) USB 3.0 will max out at about 900mA. Many of the ports on you PC will supply even less power, usually one one port will actually supply the the full power of the USB standard. The PSU on you computer has nothing to do with it.
It is generally recognized that that using a computer to charge you phone is very slow and only if you have no other option, and even then you have to plug it into the main port to make sure it has enough power to charge (slowly) you device. Unless you lucky enough to have a new computer with USB 3.1 type-C that can deliver up to 3A, stay away from charging from you computer.
I just tested on four on my computers USB ports on my computer and only one gave me a little over 1A and that almost 1/3 of what the Nexus wall charger can do.
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You're very wrong in your interpenetration of my statement. The low amperage is precisely what I want. If I'm in a hurry, I'll use the rapid wall charger, otherwise I charge my phone overnight; it's habbit and convieniet for me since I have a small room and sleep next to my computer. The slower charge puts less wear on battery and it doesn't trickle as long either. There is also a redundancy of protections - the surge and overvoltage protection of the motherboard, from the PSU itself (including ripple/noise suppression) and then there is the surge protector the computer itself is plugged into - there isn't any safer or cleaner power in the house for charging my phone.