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I can't seem to find a way to charge the phone while off. If I turn it off then plug the power cord in, the phone turns on. If I plug the phone in then power off the phone turns back on.
Any ideas?
There's nothing to be done about it.
I contacted HTC about this in the past and their take on it is that its the nature of the beast. If the charger is plugged in, then the phone will stay on.
Sorry
Is there a reason you would want the phone to be off while it's charging?
Can't see why you'd want the phone switched off at all.... I'm fairly certain the phone needs to be switched on so it can manage the charging process, monitor when the battery is fully charged and therefore prevent overcharging which would wreck the battery.
But the concept of switching off the phone at all is.....weird. It's an "always on" device!
http://pocketnow.com/windows-phone/windows-phone-7-devices-only-charge-while-powered-on
Here's an interesting discovery - would be interested to know if anyone else has the same issue.
Basically, my old WM6.5 phone (Touch Pro) used to take charge from a powered USB socket, even when the computer was turned off.
Plugging the HD7 into the same USB socket, and the phone won't charge. That's fine, I can understand there may be valid reasons for it.
What's *really* interesting is that if I leave the phone plugged into this powered down PC overnight, the battery is pretty much dead in the morning. Compare this to leaving the phone unplugged completely, and I'd generally see 15% battery usage overnight.
The solution is pretty simple - don't leave the phone plugged into this USB socket, but it seems odd.
Any chance someone else can try this?
Is the Zune client on your pc open because my phone will not charge with zune open
but once i exit out of zune on the pc it charges fine...
ive lost my charger and too lazy and cheap to buy a new one so im just using the pc to do it....
no - the PC is actually powered down. However, with soft power switches, the USB port stilll can get power, as proven by my ability to charge my Touch Pro from USB when the PC's off.
I'm not sure what could be causing this, but i will try to see if mine is the same too, then i will post feedback
I've charged mine on a USB port at work, but there isn't any Zune software in the way there... Honestly, I don't sync through USB, so I never noticed this, but at work I have used the USB port on our camera system to charge my phone...
most likely cause is the fact that the computer reduces the amount of current send to the usb port when powered down.
normaly all that is needed is a move of the mouse or a key press to power the computer back on.
now both the keyboard and mouse are low power devices.
now my guess is that the touch pro needs less power in standby then the hd7, and therefore the first will charge and the second will drain.
so to solve this question you need to measure the power comming from the computer in standby (powered on it's 500mA), and both the phones in standby mode.
plopper
Here's what I find odd:
The phone will not charge unless powered on. For example, if I have the phone turned off, and plug it into the wall charger it came with, the phone boots up. It will NOT charge while turned off.
Anyone else notice this?
jimbonics said:
Here's what I find odd:
The phone will not charge unless powered on. For example, if I have the phone turned off, and plug it into the wall charger it came with, the phone boots up. It will NOT charge while turned off.
Anyone else notice this?
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i saw someone mention that the led won't turn on during charging while the phone is turned off.
sadly he didn't wait long enough to see if the led turns on when the battery is fully charged.
also i have no idea which model he was using.
plopper
I posted earlier about charging issues on the HD7: http://forum.xda-developers.com/showthread.php?t=849548
What I found was that if you have the HD7 plugged into the USB port and then you suspend/shut down the PC, it'll stop charging (while all other phones I've used - iPhones, HD2, etc. - will keep charging).
Once you suspend/shut down, you need to then unplug and replug the HD7, and it should start charging again. Not sure why this happens, but I need to do it every night, otherwise I have a dead phone in the morning.
jimbonics said:
Here's what I find odd:
The phone will not charge unless powered on. For example, if I have the phone turned off, and plug it into the wall charger it came with, the phone boots up. It will NOT charge while turned off.
Anyone else notice this?
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Click to collapse
That is apparently a "feature" of WP7-- the phone will automatically turn on when plugged in.
is there a way to "not" have my NC turn on when it is off...and i plug it in to the charger? i dont like having to plug it in first, then turn it off when i want to charge it and not use it.
alphabets said:
is there a way to "not" have my NC turn on when it is off...and i plug it in to the charger? i dont like having to plug it in first, then turn it off when i want to charge it and not use it.
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To my knowledge, it has yet to be discovered. Which definitely irks me.
If you have it rooted, NEVER let it get low on battery. Recovery from a semi-brick in my case took 1.5 days since I had to do a crap load of charging since it was bootlooping and sucking juice.
Someone will find the setting and share hopefully.
alphabets said:
is there a way to "not" have my NC turn on when it is off...and i plug it in to the charger? i dont like having to plug it in first, then turn it off when i want to charge it and not use it.
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It will turn the screen off at the normal amount of time, so what's the issue? You mean you want the NC powered completely off? Why bother?
Isn't this likely a hardware/firmware trigger?
If you read your manual.... B&N says to *NOT* turn off the NC while charging.
I don't think it is possible to charge with it off. In the 1.0.1 zip there was a charging file that looks like when you plug in the charger it has to use that code to charge properly. I haven't seen something like this before but it could be possible. If so, no charging ifvthe nook is off
Sent from my NookColor
I have built a Nexus 7 into my car and I have a small issue.
I need a tasker profile:
When I turn the car on, the screen turns on and music plays.
When i turn the car off, the music stops and the screen turns off. (along with other stuff)
I have created a "test" version of all this so when I connect a power cable (i.e when charging) it turns the screen on and plays music.
When I disconnect the USB (i.e. stops charging) the screen goes off, music stops, bluetooth off etc and all this works fine.
However, the USB will always be connected with power coming through so I cannot use this option. I need another way to detect if the car is on and when it turns off so I can run the correct tasks.
One option i thought of is buy a wireless charger and build it into the car. When my phone is placed on the charger, send a text message to the tablet to turn it on, and when i turn the car off the charging will stop, then the phone will send a text to the tablet to turn the screen off etc.
However after purchasing the wireless charger, i realised everytime i get a call or take my phone of the charger for whatever reason, the screen will go off and music will stop, so this isnt an option either.
So the question is, what can i do so tasker can detect that the car is on or off so the nexus can perform the tasks?
Hope that makes sense
idi_idi said:
ISo the question is, what can i do so tasker can detect that the car is on or off so the nexus can perform the tasks?
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You do realize that you really have two problems, right? The Nexus 7 will not know when the car is started, or stopped. Unless you can disconnect the power, manually etc.. If you can do that, you can send a command in fastboot to force the N7 to power up when power is connected, otherwise you'd have to boot it up manually.
You could unplug the USB charger.. Or have the tablet turn off after N hours of inactivity, although how do you detect "new" activity if there's no change when the car is started.
If your car has bluetooth, you could detect that as the "turn off" task perhaps, but turning on is probably your bigger issue.
Will the wireless charger idea work?
idi_idi said:
Will the wireless charger idea work?
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No idea what you mean by wireless charger (2012 model has no wireless charging), or how you'd control it with the phone. And unless your tablet is a 3g one, I don't know how you'd directly communicate with it either.
I just put my phone back to stock so I had to uninstall Tasker, however your tablet does not pull power once the car is off correct? I had a power based one as well, I remember testing it with a surge protector. I could leave the USB connected but flip the surge protector on and off (to mimic power to the phone being halted). To my knowledge when the car is off your USB shouldn't be drawing power therefore you could run the profile off that. Export the profile and post here. I'd like to help test it.
Sent from my Nexus 5 using xda app-developers app
elpeterson said:
To my knowledge when the car is off your USB shouldn't be drawing power therefore you could run the profile off that. Export the profile and post here. I'd like to help test it.
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My last four cars (current and previous of wife and my cars) the lighter plug stays powered when the engine is off.
I think it's getting increasingly common for the plugs to stay powered. So there's no way for the tablet to know the car is off unless the car has bluetooth and you can look for that.
khaytsus said:
My last four cars (current and previous of wife and my cars) the lighter plug stays powered when the engine is off.
I think it's getting increasingly common for the plugs to stay powered. So there's no way for the tablet to know the car is off unless the car has bluetooth and you can look for that.
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I have actually found the exact opposite to me true. My wife's 2014 Pilot goes off as well as my 2012 Veloster whereas my 2001 Sable and her 2007 Passat left them on. I'm not sure if you can resolve your issue then. I'll keep looking into it. You could trigger it based on speed I think
Sent from my Nexus 5 using xda app-developers app
elpeterson said:
I have actually found the exact opposite to me true. My wife's 2014 Pilot goes off as well as my 2012 Veloster whereas my 2001 Sable and her 2007 Passat left them on. I'm not sure if you can resolve your issue then. I'll keep looking into it. You could trigger it based on speed I think
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I suppose that could work.. Find out the speed for several periods in a row, if it's zero, assume it's time to shut down. But that'd mean it's playing music etc during that period etc.
IMO bluetooth, or a plug he can turn off, is really the only way if his USB is powered up all of the time.
Also remember, he has no way to know when to power UP either. I still maintain that's the bigger problem, especially if it's a fixed install and he can't poke the power button
At the moment, its connected so when the car turns on, the USB is powered up and when the car turns off, the power in the USB stops. So at the moment, my tasker profile works on "when charging" do Task A, when not charging do Task B. And it all works fine at the moment.
However I am having issues with charging, (The device is not charging fast enough when turned on and the battery drains over a couple of days) so i planned to keep it always charging, so the power in the USB will always be there regardless of if the car is on or off. So i cant use the "when charging" on tasker anymore. So i needed a new way to it to figure out when i got in the car.
Here are my ideas:
1. Have a wireless charger in my car for my phone. (Not the tablet). When i get in the car, i could put my phone on the charger, have the phone send a text to the tablet to turn it on. When i remove the phone from the charger, send a text to the tablet to turn it off. Simples
2. Connect a wifi router in the boot or something and have it start up only when the car starts, and turn off with the car. It doesn't have to be connected to the internet, it just needs to power up. Then i can do a 'When wifi near' on tasker to see if the car is off or on, and turn the screen off accordingly.
3. Connect the tablet to my phones bluetooth. Whenever i get in the car, they will connect and the tablet will power on. when i leave the car, it will power off. (Not the best option since it will stay on even if i am near the car)
4. Similar to option 1, but have a nfc sticker in the car. when i swipe my phone on it, it communicates with the tablet and turns it on, n then off when required. but i dont want to do this since i know i am going to forget to turn it off one day.
I don't really want to do the speed option, since i want it to turn on as soon as i enter the car, not when i start driving, and i want to be able to park up and use it when i need to put an addess in the sat nav etc.
idi_idi said:
However I am having issues with charging, (The device is not charging fast enough when turned on and the battery drains over a couple of days)
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If your charger isn't charging fast enough, you're using a crappy charger or one that isn't designed for Android. If your car has a built-in USB port, those are usually super slow, maybe 500mA, most less.
Anyway, glad to hear that your power follows the car state, that makes it all simple.
khaytsus said:
If your charger isn't charging fast enough, you're using a crappy charger or one that isn't designed for Android. If your car has a built-in USB port, those are usually super slow, maybe 500mA, most less.
Anyway, glad to hear that your power follows the car state, that makes it all simple.
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I've tried about 20 different chargers, up to 2.5amps. The problem isnt the charger. The problem is i dont drive the car long enough to give it time to charge. So if i drive the car for about half an hour a day, for the other 23.5 hours, its on standby. so the battery is always going to go less. So thats why I plan to connect the charger directly to the battery so it will always be charging.
idi_idi said:
I've tried about 20 different chargers, up to 2.5amps. The problem isnt the charger. The problem is i dont drive the car long enough to give it time to charge. So if i drive the car for about half an hour a day, for the other 23.5 hours, its on standby. so the battery is always going to go less. So thats why I plan to connect the charger directly to the battery so it will always be charging.
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Oh, I thought you had the tablet turning off when the car went off. If I were you, I'd set up a profile that turns off the tablet if it hasn't had power in a few hours, pretty simple to do. On Power, set a time var, every so often check that time var to see if it exceeds your threshold, and power down if so.
If you don't have much installed, it should be a fairly quick power-up, especially the plug goes hot when you start the car.
BTW I hope you're considering cold and heat if you're leaving the tablet in the car. Leaving it in the heat all summer will will the battery.
You can use Timur's kernel, it senses power to turn N7 on or deep sleep it.
Also charges N7 while using OTG.
It;s designed for car install.
khaytsus said:
If your charger isn't charging fast enough, you're using a crappy charger or one that isn't designed for Android. If your car has a built-in USB port, those are usually super slow, maybe 500mA, most less.
Anyway, glad to hear that your power follows the car state, that makes it all simple.
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I agree, you need to get at least a 2A charger for your car. My wife would watch Netflix on long drives and my car USB port or the normal USB charger I got for the cigarette lighter worked until I up'd it to a 2A charger. I can have screen on for hours while streaming video and still fully charge the tablet in a reasonable amount of time.
is anyone else having issues with charging and AC with Resurrection remix rom?
i notice that when i use this tablet while connected to AC using the included power brick the battery still runs down instead of charging ,so is this normal?
what kind of POS device does not at least run off AC while keeping the battery at at least the same level it was when plugged in or slowing charging it while it is being used while connected to AC?
also this morning i went to turn my tablet on on and it is dead, it was plugged into AC all night
and it is still dead ,was charged and working when i went to bed left it plugged in all night wake up and it wont power on i just get the 1 red bar batter icon and won't turn on
i had this happen with my other fire 7 tablet, using their power brick ,tablet was plugged in all night wake up and turn it on and it is dead
is there an issue with the batteries in these things or are the amazon power bricks faulty it seems like they do not work properly at all , 2 tablets 2 different power bricks i have had the same issue with at least once
why don't the god damn power supplies charge the device? why don't they charge when you are using the device while connected to AC? and sometimes not at all even when device is connected to AC and not in use?
am i the only one experiencing this issue? could it be the custom rom? or is it more likely faulty design of amazon power bricks? or the battery itself?
these tablets are pretty new i might add and should not be having battery issues already , but who knows the chinese never make the same thing twice
i wonder if there will be a recall on these power supplies like there have from other more expensive device making tech companies lately
gdroid666 said:
is anyone else having issues with charging and AC with Resurrection remix rom?
i notice that when i use this tablet while connected to AC using the included power brick the battery still runs down instead of charging ,so is this normal?
what kind of POS device does not at least run off AC while keeping the battery at at least the same level it was when plugged in or slowing charging it while it is being used while connected to AC?
also this morning i went to turn my tablet on on and it is dead, it was plugged into AC all night
and it is still dead ,was charged and working when i went to bed left it plugged in all night wake up and it wont power on i just get the 1 red bar batter icon and won't turn on
i had this happen with my other fire 7 tablet, using their power brick ,tablet was plugged in all night wake up and turn it on and it is dead
is there an issue with the batteries in these things or are the amazon power bricks faulty it seems like they do not work properly at all , 2 tablets 2 different power bricks i have had the same issue with at least once
why don't the god damn power supplies charge the device? why don't they charge when you are using the device while connected to AC? and sometimes not at all even when device is connected to AC and not in use?
am i the only one experiencing this issue? could it be the custom rom? or is it more likely faulty design of amazon power bricks? or the battery itself?
these tablets are pretty new i might add and should not be having battery issues already , but who knows the chinese never make the same thing twice
i wonder if there will be a recall on these power supplies like there have from other more expensive device making tech companies lately
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Click to collapse
Nice. Suggest returning both devices so the other six dwarfs can get some sleep.