I bought a generic QI charger at DX and it worked well... once. The next day the phone was not recognizing the charger.
I really think that's a software issue because I tried a hard reset by flashing the original 4.4.2 stock rom image. it worked once and it stopped again. Then, I tried flashing stock again but it didn't work. Also, the charger seems to recognize that there is a device with wireless charging capacities but it turns off after 2 seconds.
Is there an activity or something that makes the system recognize the charger and start in fact charging? I searched a little bit but I can't find someone with the same issue
Have you moved the phone around on the charger? I have found out that the phone qi receiver is low on the phone and the transmitter is usually in the middle of the charger. That will give you the on/off back and forth.
Sent from my Nexus 4 using Tapatalk
BigCrisco39 said:
Have you moved the phone around on the charger? I have found out that the phone qi receiver is low on the phone and the transmitter is usually in the middle of the charger. That will give you the on/off back and forth.
Sent from my Nexus 4 using Tapatalk
Click to expand...
Click to collapse
Yes. I also searched the exact spot where the coil is located, it can't be. also, the charger recognizes de device
i had the same issue, it would detect then it would lose its connection, it comes down the the quality of charger, the magnetic pull is weak so it may drop after a few seconds, i ended up getting a better one,i dont exactly know why it droped even when the phone has not moved,
is your charger a small disc or a flat rectangle larger than the phone?
republicano said:
i had the same issue, it would detect then it would lose its connection, it comes down the the quality of charger, the magnetic pull is weak so it may drop after a few seconds, i ended up getting a better one,i dont exactly know why it droped even when the phone has not moved,
is your charger a small disc or a flat rectangle larger than the phone?
Click to expand...
Click to collapse
yeah, could be. I don't know, it's just weird that it worked once. It's a flat rectangle.
DTHayakawa said:
yeah, could be. I don't know, it's just weird that it worked once. It's a flat rectangle.
Click to expand...
Click to collapse
I noticed it has to be on perfectly, I have a small one and I'm noticing its difficult to get it to charge, it seems to tickle 90% of the time I'm thinking of opening it and do a few tests,
On mine it states, if the power is irregular the charger will disconnect and stop, intermittent etc, the light will display that, if the charger is not strong enough then It can do that aswell.
My qi is 1500mah output while my charger is 1200mah and its efficiency is 75%, so at 900mah its still fine for the nexus, I will test with a 2amp charger and hope it dosnt just make it hotter
Its anoying that this has not be a substitute to connecting it directly.
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This is how mine is positioned. The SIM card slot on the side is aligned with the charger coil on the phone, so you can use it as reference. Also make sure you're using a charger with not less than 2000 mA. Also try a different phone to test the charger if you can, just to rule out your phone as the problem. Good luck
republicano said:
I have a small one
Click to expand...
Click to collapse
Too much information.
Sent from my Nexus 4 using xda app-developers app
Related
ok, on my xda mini s, if i plug the charger in at 2% to 99% it charges fine
but, i let the battery go so dead that it wont charge. so i bought another one and it did the same
is there a software fix for this? can i charge the batteries another way? both are only 6 weeks old and charge fine in my mates mini s (one of the first ones) mine is only 6 weeks old
its now getting very annoying
thanks
What are you running? G3 or G4, IPL/SPL, ROM version??
hi mate
ipl 2.21.001
spl 2.21.001
gsm 0.2.07.10
os 2.21.4.1
so just to clarify, I think there needs to be a tiny amount of power the the device to power it enough to recognise the charger is plugged in
i have 2 batteries with 0% energy - none will charge. The 3rd battery charges fine if more then 1% is left before I stick the charger in
thanks
Actually my boss had the same problem with his 8125. He was running wi-fi & music and it killed the battery all the way dead. I don't think there's a fix. He had to buy a new battery.
Read this.
http://forum.xda-developers.com/showpost.php?p=1206238&postcount=9
Looks like mfrazzz has the answer!
wow, ok i am a nuby and you might not like the solution but, every time my battery runs out completely and i cant charge it, disconnect the charger trust me on this one, lick the top of the charger connect it back and at first it will show a red light leave it there for about 4 minutes, then disconnect it and connect it back and your battery will start chargin again. trust me on this one ive done it like 4 times.
mafioso617 said:
wow, ok i am a nuby and you might not like the solution but, every time my battery runs out completely and i cant charge it, disconnect the charger trust me on this one, lick the top of the charger connect it back and at first it will show a red light leave it there for about 4 minutes, then disconnect it and connect it back and your battery will start chargin again. trust me on this one ive done it like 4 times.
Click to expand...
Click to collapse
Dude!! I just have to ask...
HOW DID YOU FIGURE THAT OUT??? I mean, where you just sitting around thinking... Hmmm... I think I'll lick the top and stick it in.. hummm... I guess I'll leave it in for about 2 min... no... 3 min... oooo I think 4 min would be perfect.. then I'll unplug it and ummm... plug it back in!! Oh yeah!! That will do it!!!
Just kidding around!!!
wow, amazing stuff thanks
can i get an external charger/docker for the batteries?
do ALL these devices have the same problem or just the newer ones? my old one didnt do it (unless it still had some power in it)
Thanks
There is both a battery charger that you stick your battery in and a cradle that charges both your Wizard and also has a slot for a second battery. I couldn't find the single battery charger, but the dock can be found by searching for 8125 twin cradle.
http://cgi.ebay.com/Twin-Desktop-Cr...ryZ15037QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
mfrazzz said:
Read this.
http://forum.xda-developers.com/showpost.php?p=1206238&postcount=9
Click to expand...
Click to collapse
hi mate,
my battery does not have any markings to say + and -
do you know which is which?
thanks
m2rvh said:
my battery does not have any markings to say + and -
Click to expand...
Click to collapse
Ok, on my 8125 with the battery oriented exactly how it sits in the phone, the + is the top most contact and the - is the bottom most contact.
Here's a pic of a battery I found and you can just make out the + (red) / - (black) on the pic.
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im not trying to ruin this great party, but were you trying to charge your MDA with the USB cord after you drained it? cuz u have to charge by A/C....
ohh and that licking thing....it works with AA batteries, 'cept you put them under your armpits for a few minutes
I noticed a few complaints on this forum and others about Goggle Navigation being too much of a drain on the handset even with it plugged into a car charger.
My suspicion is that this is down to badly made car chargers, and on a previous occasion using the Testing menu, I noticed that my own charger was being reported by the phone as USB.
So I set about trying to rectify this, using my awesome rolleyes knowledge of how the phone recognises what it's being charged with and an 'I don't care if I kill the charger, it was free' attitude.
I took it apart and tested continuity between the 2 middle (data) pins on the USB plug, there was none, and the problem was identified. I simply flipped the board over and soldered these 2 pins together and reassembled the charger.
Took it out to the car, plugged it in and lo and behold, the Testing menu now reports that it is plugged into an AC source! As my phone is fully charged and I don't have any trips planned right now I don't know how much real world difference there is, but it's looking promising, at least the phone now knows it can draw 1000mA instead of 500mA, and for 5 minutes 'work' it was worth doing.
I didn't bother with a how-to as I figured chances of someone having the same charger as me were slim, but pics aren't a problem:
Here is my universal USB charger with the cover removed:
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and the reverse side with the 2 pins soldered together:
Probably doesn't tell you a huge amount unfortunately, but to be honest that's because it really is a simple procedure with not much to tell.
where did you get your universal charger? I'm wanting to chop one up and hide the nexus dock on the side of my GTI instead of blocking my 6" double din monitor..
Almost like you can do your radar detector..
-Chalrie
It was an Xmas present, part of a universal kit. It's made by Mountech if it helps though.
thanks I'll look it up, hopefully most universal ones are designed the same usb wise then I could dremel my dash and have a easy access usb port for nav.
Fail!
Despite the mod, it's still not enough to charge/sustain the N1 with Google Navigation running (screen on full brightness). Guess it's just not man enough to produce the required 1A.
I have a USB port installed in my car as per the headunit
at full brightness and while using google navigation AND streaming Slacker via bluetooth... I do not have a -% charge
in fact, the N1 stays fully charged at all times... (however if I have less than 100%, it does take a long time for the % to go up... might take 5 minutes for 1% increase)
sooo I'm not sure what the problem is with the car chargers (as I don't use one)
I have a USB headunit and never thought to try and charge from it! D'oh!
Ok so I got the Nook Color running exactly like I want it, rooted with custom rom and it is great however I have noticed something very odd. It DOES NOT charge when in use. I'm using the 1.9A supplied charger, and it's not doing anything except wifi on, brightness low and I just see my battery level dropping. It says it is charging, yet the number is droping.
Today I was making dinner at 30% battery. I turned off the screen, kept it plugged in and when I came back 30min later my battery was 25%. Sometimes it does charge, yesterday I did the same thing and was surprised it charged really fast.
It's confusing lol. Something I'm missing here?
Call 1-800-the nook and tell them you have a wonky charger. Do NOT mention anything about your custom rom. They should send you a new cable for free. I've had to replace mine too many times! Each one has been free.
Sent from my NookColor using xda premium
Since this is a charging issue I will post in here. My nook charges fine, but even at 100% the light never turns green even after waiting 30-60 minutes after I notice it saying 100%.
Reige1 said:
Since this is a charging issue I will post in here. My nook charges fine, but even at 100% the light never turns green even after waiting 30-60 minutes after I notice it saying 100%.
Click to expand...
Click to collapse
I'd get it swapped. It's supposed to turn green, and it was B&N's decision to use a proprietary and delicate cable. I've read that any variation in the cable lighting indicates a wiring issue. I've swapped one myself.
I have the same issue but it's not the cable
vulcan4d said:
Ok so I got the Nook Color running exactly like I want it, rooted with custom rom and it is great however I have noticed something very odd. It DOES NOT charge when in use. I'm using the 1.9A supplied charger, and it's not doing anything except wifi on, brightness low and I just see my battery level dropping. It says it is charging, yet the number is droping.
Today I was making dinner at 30% battery. I turned off the screen, kept it plugged in and when I came back 30min later my battery was 25%. Sometimes it does charge, yesterday I did the same thing and was surprised it charged really fast.
It's confusing lol. Something I'm missing here?
Click to expand...
Click to collapse
I had/have the same symptoms you described but I found my issue wasn't caused by the cable (because I replaced it already) but rather it was an issue with the female receptor of the cable on the Nook Color itself. On my NC if the cable (when plugged in) is not at least perfectly evenly level with the NC it doesn't seem to connect correctly so that it either doesn't charge (or drains the battery) and sometimes the "n" on the tip doesn't ever turn green.
I discovered this as an issue with the internal recepter on the NC when I was transferring files on my PC from the NC. I noticed that when the cable's connector wasn't perfectly level or a bit higher than the angle of the NC the PC wouldn't see the device connected (it would blink in and out as I moved the connector where it was attached to the NC up and down a tiny bit).
Since my discovery (this is just on my NC - may not be the problem with your NC) I've been placing something beneath the charging cable just before it gets to the NC so that it's forcing the tip up at a slight angle. Now it charges fine every time I plug it in.
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My nook color only charges when it is off, I know it is not the cable as it has been changed and, it works on my wife's nook color when it is on or off
Hello,
I've noticed my nexus is charging really slowly. When idle it goes really slow, when using it, the power is falling down..
Using the stock charger.
before this it was charging normaly
What hapened:
I was charging it and playing a game, then my roomate came and ripped it out of my hand thus bending the charging hole and snaping the cable connector. I bought a new cable and gently fixed the charging hole (micro usb slot) so now it is looking like it shoud...
could this be the reason? the conector might be damaged.
Now the tab has fully discharged.
It boots and shuts down.
Tried changing the cable, adabter no help.
The device is rooted, so I cant even unroot it and send it to the service.
AW: Slow charging
I have kind like the same problem:
My nexus is still charging, but it is really slow (~20hrs to charge fully) and the charge decreases if i use it while charging. I tried with another charger, but its no use. So it must be the connector or the battery. The issue started few days ago with now really reason ( except i am a poweruser). You could try to open the tablet, disconnect the battery for a few seconds and then try to revive it, or to change the battery. Another thing i noticed since the issue occured first is that i dont get a popup message when the power falls under 14% anymore, so may it be a software fail and the tablet is charging normally in truth?
Sent from my Nexus 7 using xda app-developers app
AW: Slow charging
Not sure whether this helps, but I once had it charge in USB mode, though it was on AC. When this happened I could hear the device make a buzzing sound. It was charging much slower then. There is a way to check the charging mode but I forgot how. May be part of Android Tuner or DaahClock widget's Battery plugin.
AW: Slow charging
You can download spare parts, in the APP you can see wether its charging via USB or AC. But i think this wont help, cause the app says AC, but it seems im charging with USB power only ( if i use the tablet, the power level decreases while charging). I dont even think the issue is caused by a broken connector, because my Problem seems to be the same, and without connected charger, the tablet discharges much faster than normal. So its more like a fast uncharging problem caused by a defective part like the battery or a cable.
Sent from my Nexus 7 using xda app-developers app
opreptetr said:
You can download spare parts, in the APP you can see wether its charging via USB or AC. But i think this wont help, cause the app says AC, but it seems im charging with USB power only ( if i use the tablet, the power level decreases while charging). I dont even think the issue is caused by a broken connector, because my Problem seems to be the same, and without connected charger, the tablet discharges much faster than normal. So its more like a fast uncharging problem caused by a defective part like the battery or a cable.
Sent from my Nexus 7 using xda app-developers app
Click to expand...
Click to collapse
It's charging over ac ... its charging now, but only if I put it upside down and put a pen under the cable.... If I move the cable in the hole I hear little poping in there...
So this actually is possible 4 the devic to show me that its charging when it really isnt
Waranty? Unroot it and send it ? But there are some traces of fingers on a copper part, and the connector is a little bent :S will that void warranty?
Seems to me that your roommate should buy you a new Nexus 7, and he/she gets the old one (plus the headaches of dealing with returns/repairs).
good luck
bftb0 said:
Seems to me that your roommate should buy you a new Nexus 7, and he/she gets the old one (plus the headaches of dealing with returns/repairs).
good luck
Click to expand...
Click to collapse
I know -.-
But I just have that asshole in me to do it :S
Okay an update:
When using it in any position, with the cable connected:
Its discharging when screen on (or discharging slowly??? Idk) , and charging with screen off in the same position.
Im gonna charge it the whole night and I have a program that monitors chargin , so ill know how long was it charging...
Is there a setting that doesnt charge when screen on?
Or should I restore everything.. maybe an app is doing thes?
Edit:
Charging graph:
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Charging too slow?
Update:
Tonight I charged it again the same way....but it was charging slow now matter if I moved the cable or anything (with screen off)
Graph:
Hi,
I don't know if I'm posting in the right section, but here is the thing. I've got GeeksPhone Keon Developer Preview, It's a Firefox OS phone, but I've flashed an Android version on it. Everything worked great for about 6 months, and then the phone stopped charging, and it was also not detected by PC. When I plug it to a PC the phone does not detect it's plugged in also the PC does not detect the phone. I tried other microUSB cables and it's the same. I also tried flashing the Android again as I thought maybe it's software related but the problem still exists. Hopefully I installed recovery on it. I currently charge the battery externally, everything else works as expected.
Yesterday I decided to mess with the phone, as I don't have the warranty. I opened it up and checked if the phone actually has power when plugged to the charger. I noticed that the battery is powered so It is charging but the Android OS does not detect that, and decreases the battery via software. I think that the D+ or D- pins are broken, and I'm not sure if they are used for the phone to know if it's charging.
Here is the picture of the circuit board and my findings. Camera is not great so the picture is not that great also.
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0. Is the microUSB port, and I guess there is a problem with it, maybe D+ or D- pins got broken.
1. Those are D+ and D- resistors they are good I've tested them.
2. Those are battery pins. When I probed them when micro USB is plugged in they have power.
3. It's some kind of a IC for power, I think it's used to switch power to the battery from microUSB.
I don't have that good soldering skills so I couldn't resolder the microUSB port, so I'm asking if someone knows another approach to enable the charging via software, as software does not detect that battery is charging, when actually power from microUSB comes to the battery, and because of that it decreases the battery status on Android.
So I'm thinking if I can execute some command so I can trick the phone to believe it's charging, so the battery will charge and when I plug it out I execute the second command to turn off fake charging?
Thanks in advance!
Funny that you have this problem, I just fixed mine today that had the same problem. Basically the micro usb port stopped working because the parts soldered on the motherboard were loose after too much wiggling (cheap mtk phone I guess). I tried resoldering but its just too small, I could not event test the connexions with a multimeter. So I went to one of the million of asian cell phone shops in indonesia where I'm actually travelling and paid 5$ for a guy to fix it. They do it all the time and have expert fingers. Not my phone plugs perfectly, try to find one near your place, wherever that is
Sent from my P5 using XDA Free mobile app
vita94 said:
Yesterday I decided to mess with the phone, as I don't have the warranty. I opened it up and checked if the phone actually has power when plugged to the charger. I noticed that the battery is powered so It is charging but the Android OS does not detect that, and decreases the battery via software. I think that the D+ or D- pins are broken, and I'm not sure if they are used for the phone to know if it's charging.
Click to expand...
Click to collapse
What happens if you put a charge over those connections? It won't accept any? Or does it charge but the software isn't detecting it? Another way of fixing it would be making a separate charger for your battery only, of course that would mean that your phone is useless while charging. I'm pretty sure if you force a charge over it it will absorb it, but I wouldn't exactly know how you could check the battery status so that you don't overcharge it this way.