Database Users

Nexus 7 charging while in use problems/concerns

I've had this problems about a week after I got my N7.
The Micro USB cable that came shipped with my tablet charged it while I was using it for about a week.
After that week, the battery would just plateau around whatever percentage I had before charging.
A few days later, it wouldn't charge fast enough and the battery percentage just dropped.
I switched to a First Gen Nook Micro USB cable, which worked like a charm.
Up until now...
The charge seems to be close to plateauing again, because it charged a good 3% every 10 minutes, now I barely get 10% every hour.
What the hell is going on?
I spend $250 on something I expect to at least run on AC without any problems.
Sorry the post is long, and thank you all tremendously for your help.

blahman179 said:
I've had this problems about a week after I got my N7.
The Micro USB cable that came shipped with my tablet charged it while I was using it for about a week.
After that week, the battery would just plateau around whatever percentage I had before charging.
A few days later, it wouldn't charge fast enough and the battery percentage just dropped.
I switched to a First Gen Nook Micro USB cable, which worked like a charm.
Up until now...
The charge seems to be close to plateauing again, because it charged a good 3% every 10 minutes, now I barely get 10% every hour.
What the hell is going on?
I spend $250 on something I expect to at least run on AC without any problems.
Sorry the post is long, and thank you all tremendously for your help.
Click to expand...
Click to collapse
a few people have had this prob , i think i sometimes have it, as if i use a certain usb charger it charges to 100% in about 2.5 hours, with the other one it'll take 3-4 hours to reach 100%.
im not sure but i think there is a app on market to show what recharge voltage your getting while plugged in, i cant remember the name thou srry:crying:

Why do you think the Nook wire stopped working though?
It just seems odd that both wires worked at one point, but slowly stopped working...

Then logic would tell me that it's not in fact related to what cable you are using, but a problem with either the battery itself or the main board. First thing I would do is let the battery die, pop the back cover off, unplug the battery, let it sit for a while, then charge it back up. That may or may not solve the problem, but it's worth trying.

ynrozturk said:
Then logic would tell me that it's not in fact related to what cable you are using, but a problem with either the battery itself or the main board. First thing I would do is let the battery die, pop the back cover off, unplug the battery, let it sit for a while, then charge it back up. That may or may not solve the problem, but it's worth trying.
Click to expand...
Click to collapse
Thanks, I'll try that when I head off to bed.

Are you also using the factory wall charger, I think its output is 2.1a

davidoff59 said:
Are you also using the factory wall charger, I think its output is 2.1a
Click to expand...
Click to collapse
just realized lol
my sgs3 charges better from asus usb charger
and my nexus 7 asus charges better from the samsung charger lmao

[Q] fast charging issues!!!!!

soo my issue is the fast charging.
first few days it was fast charging everything worked fine after that it stoped fast charging. when i plug it in it dosent show "fast charge connected" insted it shows " usb ".... so i thought something wrong with the cable so i changed it.... so i changed just the cable not the plug works fine. my first thought is that the cable is broken or something,
1. can that be true that the cable is not proper build?
2. does it affect anything that i charge my phone with an older cable?

Just double check under settings, power settings, fast charging is still checked. Once I accidently uncheked it.
Sent from my SM-N910C using Tapatalk

iznee said:
Just double check under settings, power settings, fast charging is still checked. Once I accidently uncheked it.
Sent from my SM-N910C using Tapatalk
Click to expand...
Click to collapse
no no the fast charging is checked.... like i said with the cable that came with the phone fast charging is not working...... other cables yes everythings normal

That's odd because the cable has nothing to do with it. Maybe your stock cable has been damaged.

I don't know it's confusing to me too. because the first two days it was working great after that It's not fast charging . maybe my cable was bad made!! but fast charging is working with another cable l have from my old s3 !
Sent from my SM-N910F using XDA Free mobile app

Also does it affect something on my battery that im using an old cable for fast charging???
Sent from my SM-N910F using XDA Free mobile app

How do you know of fast charging is working? Thought the screen had to be off?

Yes the cable will affect fast charging. Fast charging only works with cables of certain gauge (thickness). You must have damaged your cable, or it was already damaged before you got it. Don't worry this has no effect on the battery, no degradation.

The Unabomber said:
How do you know of fast charging is working? Thought the screen had to be off?
Click to expand...
Click to collapse
It shouldnt be off so fast charging can work! when i charge it the "fast charge connected" notification appears....
Sent from my SM-N910F using XDA Free mobile app

ozaghloul said:
Yes the cable will affect fast charging. Fast charging only works with cables of certain gauge (thickness). You must have damaged your cable, or it was already damaged before you got it. Don't worry this has no effect on the battery, no degradation.
Click to expand...
Click to collapse
ok so the cable could have been already damaged...... the thing is when i fast charge it with the other cable it charges the same time as the cable that came with the phone.... i also noticed that i get the same battery life also...... sooooo i there must be no harm at all right????

rapid charging multiple issues
My Note 4 did the same thing: 1st charge worked great, then it started showing connected to the RC, but unable to charge and flashing LED. Sometimes it still charges okay (not rapid) and sometimes really crawls. The "not able to charge" plops up every few minutes. Word was that there was a chord issue with the OEM and that they were fixed, but replacing the ones that were shipped already with a problem. That didn't fix my issue. The new word is that it's a device issue in some cases. For me, it does appear to be the device since I've done a FDR and tested multiple chargers, chords, OEM and carrier options. Contacting Samsung today as a DOA device. I'll let you know what happens. :fingers-crossed:

astrit_arsllani said:
ok so the cable could have been already damaged...... the thing is when i fast charge it with the other cable it charges the same time as the cable that came with the phone.... i also noticed that i get the same battery life also...... sooooo i there must be no harm at all right????
Click to expand...
Click to collapse
If you are hooking it up to a computer to charge, you will not get fast charging. It has to be plugged in with the power plug only to get a fast charge.

Zillasisboom said:
My Note 4 did the same thing: 1st charge worked great, then it started showing connected to the RC, but unable to charge and flashing LED. Sometimes it still charges okay (not rapid) and sometimes really crawls. The "not able to charge" plops up every few minutes. Word was that there was a chord issue with the OEM and that they were fixed, but replacing the ones that were shipped already with a problem. That didn't fix my issue. The new word is that it's a device issue in some cases. For me, it does appear to be the device since I've done a FDR and tested multiple chargers, chords, OEM and carrier options. Contacting Samsung today as a DOA device. I'll let you know what happens. :fingers-crossed:
Click to expand...
Click to collapse
Same problem here
Have you smell the adaptive? It feel like give you a cancer .
I dont know what happend to my adaptive too, the cable still normal because i have checked with other adaptive( another samsung device)

Rapid charging solved!
honhan0904 said:
Same problem here
Have you smell the adaptive? It feel like give you a cancer .
I dont know what happend to my adaptive too, the cable still normal because i have checked with other adaptive( another samsung device)
Click to expand...
Click to collapse
I got a replacement device by warranty and it's charging exactly as it should. All of my cables and plugs are working.
Wow...it's fast...faster than expected even! I'm loving the new Note, now! Just one of those things that happens sometimes.
Good luck with getting yours working. I should think it would be covered by the warranty.
Happy holidays to you and yours!

replacement
How long did it take to get a replacement? Had my phone for almost a month now and its very on /off with the charging. When i first got it it showed fast charger connected and got 50% charge as advertised in half an hour. Now it will, if im lucky charge maybe 10% in an hour. Just now, went to bed with 13%. 5hrs later it got to 32%. Havent tried a different cable and plug combo yet.
Zillasisboom said:
I got a replacement device by warranty and it's charging exactly as it should. All of my cables and plugs are working.
Wow...it's fast...faster than expected even! I'm loving the new Note, now! Just one of those things that happens sometimes.
Good luck with getting yours working. I should think it would be covered by the warranty.
Happy holidays to you and yours!
Click to expand...
Click to collapse

Another thing to check, make sure the standard usb end is snug in the charging adapter. Mine wasn't fast charging, but it was slow charging (I think - showed lightening bolt in battery icon) and then I pushed the usb into the fast charging wall adapter a little more and it resolved the issue

Hey, I was wondering if you're still experiencing this problem; I have the same model number & have the same problem.

fast charging issues
5parc said:
Hey, I was wondering if you're still experiencing this problem; I have the same model number & have the same problem.
Click to expand...
Click to collapse
I've had my Note since December last. It was fast charging just fine for about a month then I noticed it became sporadic, then it went to slow charge after that, then stopped charging altogether.
I changed the cable and it started to fast charge again for about a month and the same thing happened. It just deteriorated over time until it stopped charging.. So this is what I've been doing since. I'm on my third cable now. I've been wondering if the higher voltage etc, that enables the fast charge feature breaks the cable down. Just a thought:confused.

I had the same issue when I just got my note 4 a few months back. It turn out to be the charger that is causing the problem. I went to the service centre (in Singapore), the reception told me it is a common problem with the charger. Had it changed and the problem solved.

fast charge
So my problem was that the first days fast charging was working then I deside to desable the fast charge and now I can't enable I need help

LeEco Pro3 US ver just stop charging yesterday.

Hi,
Yesterday, I use my phone till 0% battery and shut down itself.
The charger come with phone do not charge my phone. the led come ON, sait it is charging but it stays 0% for hours.
I try to charge with my old quick charge 2, It go from 0 to 77% in 7 hours.
Do you think this is software issue or Hardware issue?
there is any test that I can do?
I just bought quick charger 3 from ANKER, hope it will replace my original charger.
thank

kivawolf said:
Hi,
Yesterday, I use my phone till 0% battery and shut down itself.
The charger come with phone do not charge my phone. the led come ON, sait it is charging but it stays 0% for hours.
I try to charge with my old quick charge 2, It go from 0 to 77% in 7 hours.
Do you think this is software issue or Hardware issue?
there is any test that I can do?
I just bought quick charger 3 from ANKER, hope it will replace my original charger.
thank
Click to expand...
Click to collapse
Sounds like bad battery. I'd reach out to Le Eco for replacement.

kivawolf said:
Hi,
Yesterday, I use my phone till 0% battery and shut down itself.
The charger come with phone do not charge my phone. the led come ON, sait it is charging but it stays 0% for hours.
I try to charge with my old quick charge 2, It go from 0 to 77% in 7 hours.
Do you think this is software issue or Hardware issue?
there is any test that I can do?
I just bought quick charger 3 from ANKER, hope it will replace my original charger.
thank
Click to expand...
Click to collapse
FYI it is really hard on your battery if you continually drain it significantly (< 20% or so). I used to do the same as you, but read several articles showing how it reduces the life of the battery. Now I usually charge around 30%. Once a month I'll let it go to 0 to make sure that it is calibrated.
You should stop draining it completely.
I can find the links discussing this if you don't believe me.

Hi,
I went to my friend house and used his LG G5 charger quick charger 3. It work great. Passing from 75% to 100% in 30min. So, I guess it was my Original wall charger that has issue.
Thank a lot for you guys help.
and @slgooding, thank I will that info in mind

kivawolf said:
Hi,
I went to my friend house and used his LG G5 charger quick charger 3. It work great. Passing from 75% to 100% in 30min. So, I guess it was my Original wall charger that has issue.
Thank a lot for you guys help.
and @slgooding, thank I will that info in mind
Click to expand...
Click to collapse
The leeco cable is not good at all so maybe the problem is the cable

The LeEco charger that came with my LP3 also died after using it for a couple of months. I ended up just getting another QC charger from amazon. Hopefully this is not an indication of the reliability of the phone itself.

I bought these USB-C cables (5-pack) from Amazon, they are really sturdy.
https://www.amazon.com/AUKEY-USB-C-.../B01B634WNK/ref=sr_1_1?ie=UTF8&qid=1488118508
It has a long one good for wall charger, a very short one good for PC connection, and the middle ones for car, office, etc.

Hope this is just one of those bad ones, not the quality of the phone, I gave up my One Plus 3T for this one because of the price and and this phone is like a beast=)

21s update maybe?
After 21s update mine stop charging normally. Only after I reboot the cellphone it charge again. Same with different chargers and this happen immediately after the update. In 20s was working normally.

dnnyvngs said:
After 21s update mine stop charging normally. Only after I reboot the cellphone it charge again. Same with different chargers and this happen immediately after the update. In 20s was working normally.
Click to expand...
Click to collapse
you are right, I star to having problem when update to s21 stock US.
But, I changed to Turbo china s23, I am having an same issue.
Using LG G5 charger works great.

kivawolf said:
you are right, I star to having problem when update to s21 stock US.
But, I changed to Turbo china s23, I am having an same issue.
Using LG G5 charger works great.
Click to expand...
Click to collapse
I tried with a couple aukey chargers with QC 3.0 and no way to make it work. My temporal solution is reboot, by the way I send all my founds to LeEco, I'm waiting for a official statement.

dnnyvngs said:
After 21s update mine stop charging normally. Only after I reboot the cellphone it charge again. Same with different chargers and this happen immediately after the update. In 20s was working normally.
Click to expand...
Click to collapse
Same problem here, after latest system update the phone will not charge when plugged into USB. A reboot will allow it to charge. Anyone having this problem should report it with the Feedback app to hopefully get exposure, this is pretty big deal on stock.

Hi,
In my case, I confirm that the problem came from cable.

2 month old ZTE AXON 7 won't quick charge anymore.

My phone is two months old and has ceased to quick-charge. Actually, 90% of the time, it will only charge when powered down. I use the factory charger and cable but get a message that I need to use the original charger and cable. Catch 22?
I bought it at Best Buy so I took it back to them this evening. My charger is fine as is my cable. Best Buy confirmed that my issue is a factory defect and politely sent me on my way. I take care of my phones if nothing more than the fact that I've had to replace micro USB ports in the past. The weird thing is that when it charges powered down, it seems to refresh to full battery very quickly.
Has anyone else had similar issues? If in fact, I do have to deal with ZTE, what has been members experience?
Thank you for letting me vent.
Sent from my SM-N915F using XDA-Developers Legacy app

U can test your charger using USB volt amp reader on another phone which supports quick charging.
If charger works as it should then u need to test your phone with multimeter to see how much current it draws while phone is powered off without charger (battery only).
But that means you need to open 2 month old phone which i dont recommend if u have warranty.
Axon 7 draws about 2.66-2.68 amps while in quick charging mode. Volts i forgot but i think it was 6v. I'm not in shop at the moment so i cant know exactly.
But for amps i remembered.

Wallor77, thank you for your reply. My charger is in good working order. In fact, I have several 2.0 and 3.0 chargers. They all work fine on my Samsung Galaxy Note Edge. The Samsung displays "Fast Charger Connected" on the lock screen.
Now my ZTE Axon 7 will not charge while it is powered up. As soon as I turn it off, it charges just fine. This is really annoying!
Sent from my ZTE A2017U using XDA-Developers Legacy app

If your charger and cable are OK, perhaps have you recently installed an application which limits the power. Such methods exists in some antivírus to preserve the health of the battery. It's just an idea.
Envoyé de mon ZTE A2017G en utilisant Tapatalk

Same thing there. If it charges normally while power off u need to see how much amps. USB volt amp reader is a good little device. I recommend for everyone to get one. It cost about 15 bucks. From there it's all about elemination process to diagnose proper issue

wallor77 said:
Same thing there. If it charges normally while power off u need to see how much amps. USB volt amp reader is a good little device. I recommend for everyone to get one. It cost about 15 bucks. From there it's all about elemination process to diagnose proper issue
Click to expand...
Click to collapse
I second this. But $15?! You can get them for about $5 on aliexpress!

U have USB volt amp reader with both volt units, amp units, time duration and mAh over time charged value. But 15$ was about avarage price listing. I'm sure there is cheaper as well.

UPDATE: 6/2/17
I ended up sending my phone to the ZTE repair center in TX. It took about 3 weeks to get it back. There was no explanation of what was repaired and I received my original phone; not a refurbished one. All I know was that it was covered.
Sent from my ZTE A2017U using XDA-Developers Legacy app

I am in the process of returning my 3rd Axon to ZTE. 2 of them have had this problem. It's definitely known because when I was talking to them and told them what was happening they just kind went "yeah ok" and fast tracked the whole thing. Thank god for this warranty, their quality control is ****e.

anyone noticed that occasionally it stops charging?

front firing speakers said:
anyone noticed that occasionally it stops charging?
Click to expand...
Click to collapse
Last night, mine started doing this. It goes on and off about every two seconds. What's weird is it only does this with the quick charger. it slow charges when connected to a PC usb just fine. Its not the OEM charger either since my wife's quick charges just fine with the exact same charger.
Guess I'm going to have to call ZTE....

Mine suddenly stopped quick charging - I have 3 different chargers that work fine with other phones except for this one. And chances of all 3 of them going bad at the same time are slim to none. Tested different cables as well, but again same result. It charges with normal speed even when connected to QC3.0. Tried wiping cache. I think it's no different if I turn the phone off. Think it might be time to move on. Had it since December 2016, so I guess it's nearly 2 years old now. Still shame.

bustr85 said:
Mine suddenly stopped quick charging - I have 3 different chargers that work fine with other phones except for this one. And chances of all 3 of them going bad at the same time are slim to none. Tested different cables as well, but again same result. It charges with normal speed even when connected to QC3.0. Tried wiping cache. I think it's no different if I turn the phone off. Think it might be time to move on. Had it since December 2016, so I guess it's nearly 2 years old now. Still shame.
Click to expand...
Click to collapse
Quick update. Swapping batteries (OEM) hasn't helped. I wonder if this is software or hardware related

Let me add to this thread. I'm also not getting quick charge anymore for maybe a month already. Tried different cables, booting to safe mode, etc. There are few instances where i see quick charging but very rarely. I was thinking it's my usb port but I haven't opened my phone yet to verify.

Charing issue.

Does this phone require a specific cable and or power block/car charger to charge? Im using my regular stuff that I use on my s8 pixel 2 xl and at first it said slow charging. Now it doesn't charge at all. I tried using a portable battery pack still nothing. Works fine on my pixel 2 xl. Not sure if it's defective or requires a specific charge like the oneplus 5 did.
Well this is weird after trying to reboot it got stuck in shuting down screen so I had to hard reset and now it charges.

No special charger needed. I use a Pixel charger and a Samsung Fast charger, and they both work fine.

lyall29 said:
No special charger needed. I use a Pixel charger and a Samsung Fast charger, and they both work fine.
Click to expand...
Click to collapse
After rebooting mine it charges but now it bounced between rapid to slow to charging. Not sure if it's the cable or I got a defective unit.

Poli169 said:
After rebooting mine it charges but now it bounced between rapid to slow to charging. Not sure if it's the cable or I got a defective unit.
Click to expand...
Click to collapse
I have the same problem (white Sprint unit) with car charger fast charging works with other phones but not with ph1 and for couple of hours couldn't charge at all only after reboot start to charge again

Mine sometimes bounces back from rapid to show charge but I'm sure it's always rapid charging. Regardless of what state of charging is showing, my drive home from work always almost tops up my phone to 100%.

I just charged mine over night and it's at 92 percent when I checked it read slow charging 5 hours till full. I unplugged it plugged it back in same thing slow charging this is weird.

Poli169 said:
Does this phone require a specific cable and or power block/car charger to charge? Im using my regular stuff that I use on my s8 pixel 2 xl and at first it said slow charging. Now it doesn't charge at all. I tried using a portable battery pack still nothing. Works fine on my pixel 2 xl. Not sure if it's defective or requires a specific charge like the oneplus 5 did.
Well this is weird after trying to reboot it got stuck in shuting down screen so I had to hard reset and now it charges.
Click to expand...
Click to collapse
I owned this phone 3 times and they all did the same thing. Its the reason why I returned the first 2. It would work for a month with no issues and then I will have a issue for a day or a week and then it goes back to normal. I normally use a 3rd party charger that I never had a issue with. It might be it doesn't play well with other chargers. Reminds me of the Amazon Fire phone, it did the same thing. It charges fine with the original charger but acts up when you charge it with a 3rd party charger.
AC

I use the charger for my Huawei Mate 9 at work, and the PH-1 at home. The mate 9 works for rapid charge just fine.