[Q] Nexus 7 turns off - Nexus 7 (2013) Q&A

Hello Everyone,
I am a noob on XDA, Please correct me if i have posted in the wrong forum. I bought a new nexus 7 16gb, for some reason when the battery is around 25-30% the tablet turns off itself. Its not shutdown its like pulling the battery of a phone thats on. The only way to start it is by connecting the charger.
Has anyone else experienced this issue?
I am on the stock rom NOT rooted
Thanks

steve_togo said:
Hello Everyone,
I am a noob on XDA, Please correct me if i have posted in the wrong forum. I bought a new nexus 7 16gb, for some reason when the battery is around 25-30% the tablet turns off itself. Its not shutdown its like pulling the battery of a phone thats on. The only way to start it is by connecting the charger.
Has anyone else experienced this issue?
I am on the stock rom NOT rooted
Thanks
Click to expand...
Click to collapse
Have you charged the device to 100% yet? I would do that, leave it charging for an hour after it shows 100% then use it till it dies. Rinse and repeat.
Sent from my SCH-I535 using Tapatalk 4

highfigh said:
Have you charged the device to 100% yet? I would do that, leave it charging for an hour after it shows 100% then use it till it dies. Rinse and repeat.
Sent from my SCH-I535 using Tapatalk 4
Click to expand...
Click to collapse
Yes I have charged it 100% multiple times, The only difference is i use a sammy charger that outputs 0.7 amps once in a while. I dont suspect the charging thing to do this.

Are you getting normal use out of a charge? How much screen time in one charge?
Sent from my SCH-I535 using Tapatalk 4

steve_togo said:
Yes I have charged it 100% multiple times, The only difference is i use a sammy charger that outputs 0.7 amps once in a while. I dont suspect the charging thing to do this.
Click to expand...
Click to collapse
Like Highfigh suggested check how long you can run on a full charge. If you get some good hours in then maybe the battery % is not reporting back properly. A reset/restore could possible resolve that issue.

I believe I am getting pretty good charge. I will try once again, I was thinking this might be something with stock rom and hence I posted it online. Thanks every one for the help
Sent from my Nexus 7 using Tapatalk 2

and one more self-turning-off nexus 7 hd
steve_togo said:
I bought a new nexus 7 16gb, for some reason when the battery is around 25-30% the tablet turns off itself. Its not shutdown its like pulling the battery of a phone thats on. The only way to start it is by connecting the charger.
Has anyone else experienced this issue?
I am on the stock rom NOT rooted
Click to expand...
Click to collapse
exactly the same story here. in my case it's not so easy to turn it on. it would seem like the device is completely discharged, even if it just showed some 40 % battery left. i have to wait several hours to even try to bring it back to recovery mode. very long press does nothing. it happened couple of times already. very annoying with such seemingly superb tablet. i'm not living in the us of a, so no quick replacement for me

That's bad I can turn on mine in a few minutes. Again mine happens very rarely. I also get an excellent battery life. How long does yours go on a charge.
I would also like to know if there is any kind of Logs that we can look at. It's getting irritating, did you try rooting your device to see if that might fix the problem.
Sent from my Nexus 7 using Tapatalk 2

I got the same problem recently, I think it was after the last update on the firmware. Everytime the battery reach around 35% it just went off.

Related

Galaxy nexus dead?

Hi
Long story short:
I removed my sum card from my galaxy nexus whilst turned on and put in my nexus s. The galaxy nexus was left in my glove box for 6/7 hours with the battery still in.
Just come to it now and its dead. Tried two chargers and nothing happens to the phone.
Any ideas people? Is there a hard reset I can or any advice? It just seems like there's nothing left in it!
Thanks for your help in advance.
Sent from my Nexus S using xda premium
Don't pull the SIM card whith your phone switched on.
Try removing the battery for a few minutes.
Maybe because you used a sum card instead of a sim card?
Sent from my Galaxy Nexus
Seems strange to me. You should be able to pull the sim with it on (it won't like it but it won't nuke it).
How long did you have the chargers plugged in for? Were you getting the charge/battery symbol when they were plugged in?
I'd plug it in and leave it for at least half an hour. Then see if it turns on, if it doesn't come on at least try and get it in to fastboot mode. If that fails then return it.
Odd
Hmm, I didn't pull my sim card. Only change to the phone as purchased from Costco about 3 weeks ago, is substitution of extended battery for stock.
Was working last night, off charger. THis mornining wouldn't power on, and doesn't seem to want to charge. I've swapped out original battery, but nothing on that one either.
I'll give it a few more hours on charge, then am at a loss.
did you hold the power button down? sometimes you gotta hold it down real long.
Valynor - nice one that's worked!! Thank you!
Paul - zzzzz
Sent from my Nexus S using xda premium
The rest of you thanks for your comments.
I had tried charge for 3 hours and nothing, held all buttons down and nothing. Never had that before.
Sorted with a long battery pull as opposed to a short one! FYI
Again thanks for quick responses
Sent from my Nexus S using xda premium
Long Battery Pull Worked
I can confirm that the long battery pull worked for me also.
Unplug from USB, remove battery 5 min, put it back together and voila.
Strange, though.
Addition: After going back into recharging state, the battery was shown as >40%, so not sure this was about a discharged battery. Maybe some other state the phone got into only solved by long battery pull.
sounds like it's just a battery problem
get a new battery and it should be back to normal
that battery is as good as dead, never let a battery drain to Zero juice, it kills them completely, it happened to me several times, it wont charge back
meso100 said:
Hi
Long story short:
I removed my sum card from my galaxy nexus whilst turned on and put in my nexus s. The galaxy nexus was left in my glove box for 6/7 hours with the battery still in.
Just come to it now and its dead. Tried two chargers and nothing happens to the phone.
Any ideas people? Is there a hard reset I can or any advice? It just seems like there's nothing left in it!
Thanks for your help in advance.
Sent from my Nexus S using xda premium
Click to expand...
Click to collapse
Thanks for the advice. the same thing is going on with my device. Damn, I hope your solution works for me. Life without my GN is not a life I care to ponder
GCurry said:
I can confirm that the long battery pull worked for me also.
Unplug from USB, remove battery 5 min, put it back together and voila.
Strange, though.
Addition: After going back into recharging state, the battery was shown as >40%, so not sure this was about a discharged battery. Maybe some other state the phone got into only solved by long battery pull.
Click to expand...
Click to collapse
---------- Post added at 10:17 PM ---------- Previous post was at 10:04 PM ----------
Thank you so much for the advice! Of all of the 5 the different android phones that I've owned, I had never encountered this issue until tonight. So, I was really starting to freak out until I tried your suggestion, which worked. You rock sir!
Valynor said:
Don't pull the SIM card whith your phone switched on.
Try removing the battery for a few minutes.
Click to expand...
Click to collapse
Glad it helped.
The reason for the "long" battery pull is simply that devices like smartphones are never 100% "off", even when they are "off" .. there is still some circuitry alive that checks for button presses etc. Those use very very little power so it takes a while to drain this even with the battery removed. Only after that happens the device is truly "hard reset".
was going to suggest temperature.
cold kills phones. if it's winter and it gets cold where you are, dont leave any electronics in your car if its outside overnight. many a gadget has died a cold frozen death by outdoor parking.
Gnex got all pissy at you because you cheated with its ugly older sister.
Thanks
Today i have had the same problem.
My gnexus is dead, and is reborn only after to have removed battery and sim card for 10 minutes.
My battery was 24%.
My gnexus had same problem too, two times in two weeks, fixed removing battery for 1 minute. Booth times it was a little hotter than normal, so I think that cpu is still running when this happens. Last time battery was 84%. I'm using Paranoid 3.00, Android 4.2.1
frusso said:
Thanks
Today i have had the same problem.
My gnexus is dead, and is reborn only after to have removed battery and sim card for 10 minutes.
My battery was 24%.
Click to expand...
Click to collapse
We call that a SOD. Sleep of death.
Sent from my Nexus Prime
R: Galaxy nexus dead?
thegtfusion said:
We call that a SOD. Sleep of death.
Sent from my Nexus Prime
Click to expand...
Click to collapse
thanks, this was one years ago !!!
Inviato dal mio Transformer Prime TF201 con Tapatalk 2

Battery charging issue

This is the second time I've posted about this, hopefully someone has a solution. My battery displays that its charging 24/7. Not only is it annoying, but I feel like its depleting my battery life a great deal. I have tried wiping everything and installing different roms but the battery issue persists. If anyone could help it would be greatly appreciated.
Sent from my Galaxy Nexus using xda premium
nbeebe24 said:
This is the second time I've posted about this, hopefully someone has a solution. My battery displays that its charging 24/7. Not only is it annoying, but I feel like its depleting my battery life a great deal. I have tried wiping everything and installing different roms but the battery issue persists. If anyone could help it would be greatly appreciated.
Sent from my Galaxy Nexus using xda premium
Click to expand...
Click to collapse
I'd say replace the battery. Also, on another thread like this one, someone said they fixed it by powering off (?), plugging in the charger (making sure it's charging), taking the battery out, let it sit there for an arbitrary amount of time (15 minutes - 2 hours), and then putting the battery back in, rebooting. See if that helps?
anton2009 said:
I'd say replace the battery. Also, on another thread like this one, someone said they fixed it by powering off (?), plugging in the charger (making sure it's charging), taking the battery out, let it sit there for an arbitrary amount of time (15 minutes - 2 hours), and then putting the battery back in, rebooting. See if that helps?
Click to expand...
Click to collapse
You think the battery is causing my issue? I'll see if I can get a replacement. I tried your other recommendation. When I pull out the battery my phone immediately shuts off though
Sent from my Galaxy Nexus using xda premium
the recommendation didnt say that the phone should stay on... its probably gonna work anyways
cyanoviper said:
the recommendation didnt say that the phone should stay on... its probably gonna work anyways
Click to expand...
Click to collapse
Well the only way to make sure its charging is to have the battery in. Otherwise its just plugged in doing nothing
Sent from my Galaxy Nexus using xda premium
that is probably correct, too. I just said the recommendation didnt state the phone should stay on, so you could probably unplug it while the battery isnt in
on the other hand a new battery is 20$ and the extended one 30$
There is nothing wrong with the battery. You need to change the USB port, see http://code.google.com/p/android/issues/detail?id=23789 AND comment there if you have this issue. This is a serious hardware flaw that Samsung really should look into.
I had this problem also untill I changed the USB charging board.
Melhouse said:
There is nothing wrong with the battery. You need to change the USB port, see http://code.google.com/p/android/issues/detail?id=23789 AND comment there if you have this issue. This is a serious hardware flaw that Samsung really should look into.
I had this problem also untill I changed the USB charging board.
Click to expand...
Click to collapse
Thanks a lot for that info! I thought it was just an issue with a few devices. I had no idea how widespread it was
Sent from my Galaxy Nexus using xda premium

[Q] Phone dies after ten minute phone call fresh off charger

I am trying to help my uncle who has been having trouble with his T989D phones. He has tried two and is getting frustrated because the phone can die right to shutting itself off very fast. He has said right from taking it off the charger it can be dead in a 10 minute phone call.
This has been the same on two different stock unrooted Telus phones. What could cause this.
The only thing I notice from telephone support is that the phone never goes to sleep. But I am not in a position to be in person and have to talk someone who is so not that computer literate to checking stuff.
I have a better battery stats file but other then never sleeping it isn't from a time when it died in ten minutes.
shadowofdarkness said:
I am trying to help my uncle who has been having trouble with his T989D phones. He has tried two and is getting frustrated because the phone can die right to shutting itself off very fast. He has said right from taking it off the charger it can be dead in a 10 minute phone call.
This has been the same on two different stock unrooted Telus phones. What could cause this.
The only thing I notice from telephone support is that the phone never goes to sleep. But I am not in a position to be in person and have to talk someone who is so not that computer literate to checking stuff.
I have a better battery stats file but other then never sleeping it isn't from a time when it died in ten minutes.
Click to expand...
Click to collapse
It's not even possible to die in 10 minutes when fully charged. Bad battery, probably
Sent from my SAMSUNG-SGH-I727 using Tapatalk 2
xcrazydx said:
It's not even possible to die in 10 minutes when fully charged. Bad battery, probably
Sent from my SAMSUNG-SGH-I727 using Tapatalk 2
Click to expand...
Click to collapse
That is what I have been told though, I just wish I could actually get face time with the phone for a extended time to figure it out but can't.
Bad battery was my first idea before but when it kept happening with the replacement, it has to be something else.
Also apparently the phone stays at 100% for the most part until it dies.
shadowofdarkness said:
That is what I have been told though, I just wish I could actually get face time with the phone for a extended time to figure it out but can't.
Bad battery was my first idea before but when it kept happening with the replacement, it has to be something else.
Also apparently the phone stays at 100% for the most part until it dies.
Click to expand...
Click to collapse
When he gets replacements, is he getting everything? New battery, new charger, and new phone?
Sent from my SAMSUNG-SGH-I727 using Tapatalk 2
Yes, but he uses multiple chargers depending on being home or in his truck. The other chargers have been used before on a I9100 with no problems.
These phones seem to be picky with chargers, sometimes. I only use stock that came with it.
Take the phone back again or get a whole different one
Sent from my SAMSUNG-SGH-I727 using Tapatalk 2
xcrazydx said:
When he gets replacements, is he getting everything? New battery, new charger, and new phone?
Sent from my SAMSUNG-SGH-I727 using Tapatalk 2
Click to expand...
Click to collapse
This! When you get a replacement phone (in the mail at least) you just get the phone, and have to swap your battery into it (back when I had my Dash replaced I even had to swap the battery cover!) If he is still using the battery from the original phone then that would be the best place to start.

[Q] Battery at 0% when inserting replacement

Hi all
I've bought 2 Desire HD batteries (1210mah IIRC) and they work just fine on their own.
I can't manage to keep alive my phone after replacing one with another (charged), though, since the phone believes the battery charge is 0%. I know this is an error, since I can always plug the phone and check with an handful of apps.
This actually means that I can't switch from a dying battery to a charged one if I don't have access to a USB socket!
If I have to guess, I'd say the phone is not deleting batterystats when I swap the batteries.
Any idea? I'm running CodefireX JB nightlies.
Have been noticing the same behavior! Would like to know if anyone knows a solution..
Sent from my HTC One S using xda app-developers app
benno4403 said:
Have been noticing the same behavior! Would like to know if anyone knows a solution..
Sent from my HTC One S using xda app-developers app
Click to expand...
Click to collapse
Actually I did found a workaround, kinda. After a first boot-automatic shutdown, this morning I booted in recovery, then I wiped batterystats (although I don't know how that could help). After a reboot it shat down again automatically, and then it worked.
I'd guess it just take some time to read the correct mV value. So basically you could leave your phone sitting in recovery for like 5 minutes and then reboot. Or, you know, just fratically reboot until it works. That's my plan anyway.
Meh.
That is a known issue with batteries other than the original HTC battery. Since I'm used to have a sensation battery, I ought to bring along portable charger whenever I can in long trips. There is no other way other than plugging it in charger or just hoping that it would boot up with a lil bit of luck.
drpsyko said:
That is a known issue with batteries other than the original HTC battery. Since I'm used to have a sensation battery, I ought to bring along portable charger whenever I can in long trips. There is no other way other than plugging it in charger or just hoping that it would boot up with a lil bit of luck.
Click to expand...
Click to collapse
It makes sense. I had to reboot the phone after a full charge (unrelated issue) and then it happened again. I tried my luck; after three reboots the phone got it right. It should be enough having the phone sitting in recovery mode for like 5 minutes. When it shows a valid percentage it's good to go!
This happens to me almost daily. All you have to do is restart the phone maybe twice... nothing else. I used to think i had to plug it in as well. Nope just restart it, if it shows 0 percent again it'll die, restart again, bam 100 percent.
Sent from my Desire HD

SM-P605 cannot charge

Greetings, I have a bit of an issue with my tablet and it's most likely a hardware one.
About two days ago I had my tablet completely discharged and I put it on the charger. I saw the battery and lightning screen and left it for about a day.
Then yesterday I wanted to watch a movie on it and so I reached for it and all it had was a black screen. I thought that it must have charged up completely, so I pulled it out of the charger and started it up.
It then went as far as the Samsung logo and 20-30 seconds afterwards it shut down. I thought that maybe my ROM became faulty or smth and tried to boot into TWRP. Same thing.
Booting into the Bootloader worked but at one point the screen started rapidly changing its brightness. And it again turned off after a couple of seconds.
I tried this several times, connecting it to the wall charger or my laptop but every time it turned on for only a couple of seconds and now it has completely died off. No matter with which cable, charger or power source I try to charge it, it doesn't light up at all. Power button and combinations with volume buttons don't do anything.
A bit of info about the device: It's about 2 years old running the latest LineageOS. Roughly 1 year ago it suffered a drop and the screen got cracked. I ended up buying a spare screen from China and gave it to a hardware specialist to install it. (Samsung doesn't really have representatives near me, so that was the easiest option) Ever since then the speakers have always been a lot quieter and worse-quality but everything else worked fine.
I believe that somehow the charging circuit fried itself and now the battery has died off. Is that even possible? I haven't charged it with any unknown wall chargers or anything that could fry it. Can someone please help me fix this problem since I have no idea where to start?
Thanks in advance...
You might want take a look to this topic of mine. Not exactly the same problem but the resolution might apply to yours as well.
https://forum.xda-developers.com/showthread.php?t=3582562
Sent from my SM-P605 using Tapatalk
RoyaL said:
You might want take a look to this topic of mine. Not exactly the same problem but the resolution might apply to yours as well.
https://forum.xda-developers.com/showthread.php?t=3582562
Sent from my SM-P605 using Tapatalk
Click to expand...
Click to collapse
Thanks for the suggestion, but your tablet can at least boot. Mine can't, which is the issue and it doesn't charge at all when off.
That's why I pointed you to open it and resettle all the cables, as I did. The problem is different but the solution might be the same...
Sent from my SM-P605 using Tapatalk
RoyaL said:
That's why I pointed you to open it and resettle all the cables, as I did. The problem is different but the solution might be the same...
Sent from my SM-P605 using Tapatalk
Click to expand...
Click to collapse
I can't read -.-
Will check this in a moment...

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