Database Develop

USB Debugging in wall outlet?

I plugged in my phone to charge it this morning and all of a sudden when i connected it to my wall charger it went into USB Debugging mode? This is a first for me and it kinda scared me a bit. I then unplugged and plugged it back in and it went into charging mode. Can anyone explain this? Has this happened to others?

I believe if the charge current is low, such as 500ma, the phone assumes it is connected to a computer. Doesn't mean anything other than a slow charge.
Sent from my SAMSUNG-SGH-I897 using XDA App

thanks for the reply.
im sure it was just a fluke. ive always charged it in this wall outlet. i replugged it and it works fine

has this ever happened to anyone else?

This happened again. Can someone help me out here?

Happens to me all the time. As the poster above mentioned, shouldn't be anything to worry about.

You can turn off usb debugging if it bothers you or use a different usb cord as some have a tendency to do this because they reduce current flow too much
Sent telepathically using vulcan mind meld app.

That happens to me when i try to use the iPhone charger.. I'll try to jailbreak it..
Download "Spare Parts" from Market. In the Battery Info section, you'll se if the phone detects your charger as USB (PC, below 500mA) or a Wall charger (700mA)

SnakeHaveYou said:
That happens to me when i try to use the iPhone charger.. I'll try to jailbreak it..
Download "Spare Parts" from Market. In the Battery Info section, you'll se if the phone detects your charger as USB (PC, below 500mA) or a Wall charger (700mA)
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So if it detects my wall outlet to be below 500mA then the power going to that wall outlet is low?

androidftwin said:
So if it detects my wall outlet to be below 500mA then the power going to that wall outlet is low?
Click to expand...
Click to collapse
Let me test.. But my iPhone charger is 1000mA!! And my phone detects it as DC, acording to Spare Parts (USB), and if i switch to the original charger, it turns into AC..
If the phone controls how many mA/Volts can receive, and the charger is detected as DC, it will be charging at the same speed as if you use the PC USB, no matters if you uses a 200000mA charger...
BTW, sorry about my english

SnakeHaveYou said:
Let me test.. But my iPhone charger is 1000mA!! And my phone detects it as DC, acording to Spare Parts (USB), and if i switch to the original charger, it turns into AC..
If the phone controls how many mA/Volts can receive, and the charger is detected as DC, it will be charging at the same speed as if you use the PC USB, no matters if you uses a 200000mA charger...
BTW, sorry about my english
Click to expand...
Click to collapse
The charger has wiring that shorts the data lines - this tells the phone it is a wall charger and not a usb port - the usb port carries data, so the lines are not shorted. This controls the amperage - If it shows AC - the phone detects the shorted data lines and the phone draws about 700mA. If the phone does not detect the shorted data wires, the phone only draws about 500mA. In all cases the voltage is 5V DC.
I have a 2A car charger. With a regular cable (non-shorted data lines) the phone thinks it is on a USB port. I short the data lines and the phone says AC charging.

alphadog00 said:
The charger has wiring that shorts the data lines - this tells the phone it is a wall charger and not a usb port - the usb port carries data, so the lines are not shorted. This controls the amperage - If it shows AC - the phone detects the shorted data lines and the phone draws about 700mA. If the phone does not detect the shorted data wires, the phone only draws about 500mA. In all cases the voltage is 5V DC.
I have a 2A car charger. With a regular cable (non-shorted data lines) the phone thinks it is on a USB port. I short the data lines and the phone says AC charging.
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I am using the regular charger that came with the phone. Does this mean the charger is faulty?

I get this all the time. Probably because I'm using the little white USB to wall converter from my old iPhone. I still get a good charge, though I've noticed it charges about 2x faster if I turn it off and use the black charger from Samsung. That way I get about 20% an hour, otherwise about 10% an hour.

androidftwin said:
I am using the regular charger that came with the phone. Does this mean the charger is faulty?
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If you are using the charger and cable that came with the phone, and the phone settings page says you are charging via USB and not AC - then either the charger or phone is faulty.

micro usb cable

I am using the Nook color wall charger, but left my cable at work. my nook was dead, i plugged in using a standard micro usb and the wall charger, it says wait 15 minutes, which makes me believe it is charging it. Let me go check...still says that. Do you think it will charge? I was able to transfer files with the micro usb cable to my SD card on the nook, but it wont charge it?

It may trickle charge on a non-OEM Nook Color cable (a standard micro-USB), so it would probably require charging overnight at the very least to get a near full charge once again, and certainly longer than 15 mins to get it back to usable from a low charge state.

Depends on the output of the charger, but youd likely be looking at anywhere from 4 to 8 gours for a full charge...
Sent from my NookColor using XDA app

i think i can confirm standard micro usb does not charge this thing, even with the nook wall charger. I had it plugged in from being dead for about an hour and it never came on. Thankfully i found the real charger and am back in business.

It will trickle charge for me with the nook cable hooked up to my computer, but I thought this issue was already covered and others said it would charge with a regular usb cable (again on the computer not via the adapter). Is this not the case? I hate to think I'm reliant on the nook's usb cable and can't charge at a friends.

I have charged my NC with the cable from a cell phone. It takes a LOT longer and in fact, doesn't seem to keep up with even moderate use: wifi and web browsing and battery will slowly continue to go down. Just not AS slowly as being unplugged.
But it does charge.

Hopefully someone will find a way to make the damn thing charge without verifying that it's using a Nook cable.

jve34 said:
i think i can confirm standard micro usb does not charge this thing, even with the nook wall charger. I had it plugged in from being dead for about an hour and it never came on. Thankfully i found the real charger and am back in business.
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Click to collapse
False, it does charge. I assume at .5A, but it's possible it's lower. Haven't looked.
TchnclFl said:
Hopefully someone will find a way to make the damn thing charge without verifying that it's using a Nook cable.
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Click to collapse
Plug it into any USB source using any cable providing 500mA, it will charge. It won't SHOW it is charging, as it doesn't appear to show charging unless it's on the fast 1.9Ah speed the Nook charger + special Nook cable provides. However, if it's idle enough the thing does charge.
Sitting on my desk playing with adb one day plugged into my workstation it charged 20% in a little over 2 hours. Of course that's pretty slow, but consider this is a 4.0Ah battery, you cannot compare to your phone charge times unless you multiply by 2.5 to 3!
So 20% over 2 hours would be 50-60% over 2 hours on a typical Android phone battery.

you say it charges, but leaving it plugged in from being dead to the Nook wall charger but to a standard USB did not charge it at all. No power
I have no doubt that the nook cable, plugged into a PC will charge it. It is the cable that is different.

Here are the ways that I have verified that my Nook Color wil charge:
NC wall charger/NC usb cable- best and fastest
NC wall charger/Droid usb cable (standard) - charges slowly
other USB wall charger/either usb cable- charges slowly
computer USB/NC usb cable- charges slowly
computer USB/other usb cable- charges slowly
What I have NOT done is completely drain the battery and test.
My guess is this: it charges slowly without a high rating charger and the special NC cable and when it is dead it takes a LONG time to get enough juice to boot.
Another possibility is that device variance has kicked in and while most people seem to get at least a trickle charge out of any cable/charge source we have, other units simply will not.

that is kind of what i was thinking, the fact that it was dead was not enough to even charge it properly where as if it had kind of been charged then maybe it would be more noticable that it was charging.

jve34 said:
you say it charges, but leaving it plugged in from being dead to the Nook wall charger but to a standard USB did not charge it at all. No power
I have no doubt that the nook cable, plugged into a PC will charge it. It is the cable that is different.
Click to expand...
Click to collapse
It charges no matter what cable or charger as long as it's providing reasonable current. Most USB ports and non-fast chargers provide 500mAh.
If it's dead I don't know, I don't do that to LiIon batteries.

charging using usb

Hi,
I bought the nook but live in France. Can i charge my nook with my HTC Desire power supply and cable? The nook usb cable doesnt seems to be "only usb".
Thank you.

You can probably use a standard USB power inverter and generic cable. If it's safe for your Desire, it's almost definitely safe for the NC. However, some cables might randomly not work.

A standard micro-USB and charger will work, but it is slower than the Nook charger. I routinely charge from a powered USB hub at the office.
-- Tom Jupille

Ok thank you!

Hi I am also from Europe and I checked that Nook Color have a multi 220/110 voltage charger
www [dot] goo [dot] gl [slash] JYfSX
You need only plug adapter

Yeah, that what i use for now. As i have my htc power supply alway connected to my wall i wan't to put the NC us power in his box.

I tried one of those cigarette light -> USB adapters for charging the nook in my car. When I plug it in, it wakes up. But it's not charging. Anyone have any idea? I'm using the Nook cable, btw.
Az

azbarber said:
I tried one of those cigarette light -> USB adapters for charging the nook in my car. When I plug it in, it wakes up. But it's not charging. Anyone have any idea? I'm using the Nook cable, btw.
Az
Click to expand...
Click to collapse
It's charging, just slowly. Charging from a standard 500mA USB jack doesn't cause the "Charging" indication to appear in most battery monitors on the NC, but if you leave it there for a while with the screen off and not doing anything you should see the battery percentage go up a bit. It takes about 8 hours for a full charge via USB. It's enough power to either run the NC if you're actively using it OR to charge the battery, not both at once.

Do you use your nook color charger on your phone?

I'm just curious. I'm not sure it's safe, since one has a 10W output, and one has a 5W. If you do, have you had any problems? Notice it charging faster than usual?

deleted +10

Yeah, that's what my phone charger outputs. The iPad/iPhone chargers have the same output as the Nook/Android phone, and they claim to be safe to use with either one. Not sure if that applies to android phones though, or if there needs to be some safety circuit in either the phone or the charger. Would love to only have to deal with one charger...

It's 5 volts at UPTO 2 Amps. If your device can only draw 5W thats all it will do then overcharge protecton etc cuts in.
I've used the Nook charger on
Nook Color
Nexus One
Blackberry
Plantronics SteroeBluetooth headset
No problems.

As long as the voltage is correct you are good to go. The phone draws amps from it, it won't draw more amperage than it needs.

I noticed that my nook USB cord doesn't fit my Motorola Droid 1, however, my Motorola Droid 1 Phone charger fits my nook :\
Anyone else confirm this?
Also, when plugging in the nook I get no indication that it is actually charging, is this suppose to happen?
EDIT: It appears that it doesn't charge when I plug it into my computer, if it is, it is super slow and doesn't display that it is charging. However, when I plug it into the wall with an A/C USB adapter it shows the charging icon.

from what I got, The nook charger has 6 more pins making it faster, but not compatible with other devices, but the nook itself can get a normal charger and it will be fine just slower.

fingerman12 said:
from what I got, The nook charger has 6 more pins making it faster, but not compatible with other devices, but the nook itself can get a normal charger and it will be fine just slower.
Click to expand...
Click to collapse
Except the 6 pins (or w/e num) are added on top of the existing ones, so unlike say a headphone jack with an extra layer for using a microphone, its not backwards compatible (atleast not without an adapter) for normal ones (like my headphones example), rather troublesome imo.
But the power converter works fine for phones.
Sent from my MB300 using Tapatalk

knatcal said:
As long as the voltage is correct you are good to go. The phone draws amps from it, it won't draw more amperage than it needs.
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Click to collapse
Thanks makes sense.
Just tried it and it works fine on my phone too. Has to use a generic micro usb cable though. The nook one did not work.

I wonder if the reason the nook color cable doesn't work with other devices is due to the charging light built into the cable. I'll try charging it from a non-nook cable to see. If it charges fine either way, I'll be able to cut it down to 1 charger 1 cable. Would be far more convenient.
Has anyone else noticed a slower charge on non-nook cables? If it really does have more pins, that would be a dissapointment. The cable is so short, I'd probably have replaced it anyway.

the nook color charger connector is shaped slightly different -- its longer --, so it wont fit properly into other devices that use standard microusb.

Is there supposed to be some kind of notification when the unit is off, that it is charging properly. I bought my nook color used and it didn't come with its official charger. I have a bunch of standard (low amperage) USB chargers and 1 iPad type (2amp) charger. I tried the iPad one and the unit gave a "Not charging" message in the settings screen.
How long does it take to charge when using a 3rd party charger?

JDMpire said:
Is there supposed to be some kind of notification when the unit is off, that it is charging properly. I bought my nook color used and it didn't come with its official charger. I have a bunch of standard (low amperage) USB chargers and 1 iPad type (2amp) charger. I tried the iPad one and the unit gave a "Not charging" message in the settings screen.
How long does it take to charge when using a 3rd party charger?
Click to expand...
Click to collapse
Do not resurrect dead threads, they will turn into zombies and eat your brains.
How long does a non-BN charger AND Cable take? Four times longer. It's .5A vs 1.9A. You can get by with a 2A charger, but you must have the B&N cable to charge at the 1.9A rate.

Make non-motorola charger work?

So this is my first motorola and I had heard of the issues they have with non motorola chargers. Now I am experiencing it first hand. With the same ac charger I have charged many phones with and is capable of 1 amp output (D4 charger is only rated at 850 mA) my D4 struggles. With the device off it charged painfully slowly. While on it cannot even charge. It discharges while plugged in despite the charging indicator and reporting "charging (AC)" in status.
How does it know it is not a moto charger? Is it just about the resistance between the data pins? For most other phones shorting the data pins on the charger indicates to the phone that it is a high current charger and not a computer USB port. Is there a similar trick for motorola phones? I would rather not have to purchase an overpriced moto oem car charger. I have a perfectly fine 1.2 amp car charger soldered directly into my car's 12v system behind the dash. Can I make it work?
Thanks!

On a regular basis I successfully charge my D4 using both a charger from a Samsung Reality feature phone and from a B&N Nook Simple Touch, in addition to the one that came with it. I've also used a variety of car chargers.
Sent from my DROID4 using XDA

Actually, so far I have only one charger that had any trouble charging the phone (it was a $3 charger with 2 USB ports), but the $3 charger with ONE USB port works fine, as does the Nook Color charger, Blackberry charger, and Samsung charger I have tried it with, as well as both my old car charger and Lenovo's always-on charging port on their laptops.

JKingDev said:
So this is my first motorola and I had heard of the issues they have with non motorola chargers. Now I am experiencing it first hand. With the same ac charger I have charged many phones with and is capable of 1 amp output (D4 charger is only rated at 850 mA) my D4 struggles. With the device off it charged painfully slowly. While on it cannot even charge. It discharges while plugged in despite the charging indicator and reporting "charging (AC)" in status.
How does it know it is not a moto charger? Is it just about the resistance between the data pins? For most other phones shorting the data pins on the charger indicates to the phone that it is a high current charger and not a computer USB port. Is there a similar trick for motorola phones? I would rather not have to purchase an overpriced moto oem car charger. I have a perfectly fine 1.2 amp car charger soldered directly into my car's 12v system behind the dash. Can I make it work?
Thanks!
Click to expand...
Click to collapse
Not sure how it knows one way or the other. I've successfully used a few LG chargers to charge my D4. The only really hickup I've ran into is the usb cables from those lg chargers won't sync data to the phones when plugged into a computer, they'll still charge off the usb port but won't read as a usb connection to the computer.

Heh, captcha is trynply.
Every charger I've used, including an old charger for an EN-V, kindle, supplied, and various other phone chargers works just fine with this phone. Probably have a bad charger, guy.

Thanks for the replies. I guess I was wrong. My modded car charger works just fine. I guess its just time to retire the old charger that I have been using. I think it might be my old nexus one charger.

A more important question would be does the thing charge over computer-bound USB ports?
When you're without a charger, but there's a USB cable that fits your phone, sometimes a regular USB data port is the only that is around... even though it might take a really long time.
Try a computer bound USB port, then try your actual charger, again. Or do the hard reset (vol down plus power, hold until it actually does it), which is just like pulling the battery.
See how that goes.
Chris

RueTheDayTrebek said:
A more important question would be does the thing charge over computer-bound USB ports?
When you're without a charger, but there's a USB cable that fits your phone, sometimes a regular USB data port is the only that is around... even though it might take a really long time.
Try a computer bound USB port, then try your actual charger, again. Or do the hard reset (vol down plus power, hold until it actually does it), which is just like pulling the battery.
See how that goes.
Chris
Click to expand...
Click to collapse
It does in fact charge via USB port. In fact, it has a 'charge only' mode. Depending on how much juice your port puts out, and what you are doing with the phone, it will charge slowly/not at all, though.

from my experiences, the droid 4 will not accept lg microusb cables, the charging bricks work tho. i use a blackberry microusb on mine along with a Logitech and the stock moto ones. 1.2 amps is a bit high but not crazy sounding. personally, I charge at 1 amp.