Nexus 7 WiFi spontaneous shutdown on knock? - Nexus 7 Q&A, Help & Troubleshooting

Hi all.
I have recently bought (about a month ago) a Nexus 7 32 gb WiFi model. After putting it down with a slight bump on the top right quarter of the back cover it just went off. When I put it back on the battery indicator was on 0% but it was on 80% when I put it down. Scoured the Internet, but couldn't find any one with the same problem. Warranty is still valid. Any one with the same problem and if so, do you think It will be covered by Asus? Any answer would be appreciated, thanks.
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To me it sounds like a loose battery connection or broken component. RMA it. Yeah it sucks but it shouldn't be doing that.
Sent from my Nexus 7 using Tapatalk 4 Beta

Was thinking the same thing... Thanks anyway!
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Related

New N7 user.

I have bought a 32gb nexus 7 from best buy in canada and wondering is it all the same ? Just don't want to end up whit a brick or anything
First 4 hours of use impression : it came preloaded whit 4.1.1 its snappy if you ask me but sometimes in application we can see some small lag but great tablet for its price !
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shahkam said:
I have bought a 32gb nexus 7 from best buy in canada and wondering is it all the same ? Just don't want to end up whit a brick or anything
First 4 hours of use impression : it came preloaded whit 4.1.1 its snappy if you ask me but sometimes in application we can see some small lag but great tablet for its price !
Sent from my SGH-T999 using xda premium
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They're are all the same do don't worry about that. Glad you're enjoying it!
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Mac of York said:
They're are all the same do don't worry about that. Glad you're enjoying it!
Sent from my SPH-D710 using Tapatalk 2
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Sweet ! Looking forward to this phablet now time to go on reading to get root and etc etc... Also how does the charging works first time ? Drain to 0% and then 100% ?
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Makaijin said:
With every electronic gadget using Lithium-ion batteries nowadays, it doesn't really matter how/when you charge it.
Some would argue to make sure to allow a full discharge from a full charge from a battery calibration point of view, so the battery meter is more accurate. It wouldn't affect the health of the battery itself either way.
Things like memory effect doesn't apply to lithium-ion. How often you charge it and how much you charge it (full or partial charge etc.) doesn't affect it much either. The only 2 things that can potential kill a lithium-ion is high temperature and letting it discharge far too low to the point that it cannot be charged up again. Note that all electronic devices will power off way before it even reaches this threshold.
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Read this in a different thread when i was unboxing my nexus 7, i let mine sit for a while on the charger before i turned it on, but it came charged already. So far i have not let my nexus drain to 0% and the battery life on it is great, it can go for a entire day.
Sent from my Nexus 7 using xda premium
Sent from my Nexus 7 using xda premium
inkredible973 said:
Read this in a different thread when i was unboxing my nexus 7, i let mine sit for a while on the charger before i turned it on, but it came charged already. So far i have not let my nexus drain to 0% and the battery life on it is great, it can go for a entire day.
Sent from my Nexus 7 using xda premium
Sent from my Nexus 7 using xda premium
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Thanks for letting me know ive drained it to 0 charging all the way to 100 can't wait to start tinkering whit it
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I too just got one. May be came out of the box with 4.2. After I signed in I checked for an update manually, and it immediately upgraded to 4.2.1. I then rooted immediately! Battery has been impressive so far.
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annoyingduck said:
I too just got one. May be came out of the box with 4.2. After I signed in I checked for an update manually, and it immediately upgraded to 4.2.1. I then rooted immediately! Battery has been impressive so far.
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No luck for me i guess it shows that there is an update it downloads it and boot into recovery attempts to install but then an android robot laying down whit his chest open and a red triangle appears ?
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Sounds like it may be a corrupt download. Unless you plan to remain on the stock ROM just unlock/root it and then install what ever ROM you like.
DarkSankaku said:
Sounds like it may be a corrupt download. Unless you plan to remain on the stock ROM just unlock/root it and then install what ever ROM you like.
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Will re download yeah it was only 80mb and it took like 20 seconds i think to download?
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shahkam said:
No luck for me i guess it shows that there is an update it downloads it and boot into recovery attempts to install but then an android robot laying down whit his chest open and a red triangle appears ?
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shahkam said:
Will re download yeah it was only 80mb and it took like 20 seconds i think to download?
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It happened to my device yesterday too. But after that upgrade disappeared so i can't get update. Did you redownload it? If you did, can you tell me how can i?
EDIT:
I found website for to redownload way (i can't share url because i haven't 10 post) and i have tried twice but every time android robot laying down whit his chest open and a red triangle appears and i can't update. Can someone know why it is happened?

INSANE BATTERY DRAIN while powered off!

So I powered off my Nexus 7 last week before I went on vacation and found it completely dead when I tried to turn it on a week later - it would not even turn on. After charging for about 10 minutes it booted up but the battery was at 1% and charging. Initially i though I forgot to turn it off, but then again I was pretty sure I did. Once it charged up I powered it off completely ("Power Off" option after holding down the power button) and left it till 5PM the next day. Once it booted up it showed that I had only 44% charge, that's down from 100% just last night! WTF? It lasts me 3-4 days if it sleeps but looses 66% charge when powered off!? Anybody in the same boat?
It's the government tracking you. (Yes they can track a powered off device)
Sent from my Nexus 7 (2013) using Tapatalk 4
I will test it next day.
DeDanMU said:
I will test it next day.
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Cool! Thanks!
Also forgot to mention that my tablet was completely dead when I exchanged because of the touch screen issues with the previous one. The previous one turned on just fine! So maybe it was a bad batch, even though I hope it's not
I'm using GTab 8.9, but I experienced the same thing as the OP, too. I tried switching kernels and this issue went away.
Sent from my HTC One X+ using xda app-developers app
I'm gonna try tonight.. I'll let you know.
Sent from my Nexus 4 using XDA Premium 4 mobile app
I don't believe OP's story. Why would you go on vacation and leave your N7 at home? Your story doesn't add up.
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rschauby said:
I don't believe OP's story. Why would you go on vacation and leave your N7 at home? Your story doesn't add up.
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I'm not starting a war here, but why would he lie? There's no reason for the OP to do so. (Except for increasing post count which I don't think so.)
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panpjp said:
I'm not starting a war here, but why would he lie? There's no reason for the OP to do so. (Except for increasing post count which I don't think so.)
Sent from my HTC One X+ using xda app-developers app
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lol, he was kidding. Hopefully someone can post their experience here soon...
Muikkuman said:
It's the government tracking you. (Yes they can track a powered off device)
Sent from my Nexus 7 (2013) using Tapatalk 4
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Swapped out for a new unit. Issue solved.

Really bad battery problems

I'm having really bad battery problems with my girlfriends phone.
We were running pa jelly bean and we bought a new battery to try fix the problem as its quite an old phone.
Still had the same problem so tried pa kit kat. That didn't fix it either.
Basically the phone will charge to 100% then go down normally to about 40 or 60% then it will totally die and when you put it back on charge it will he at zero again. So she's really not getting a use out of the phone at all. Am I going to need to flash stock again? Anyone had this problem before?
Thanks
Steven
Sent from my Nexus 4 using XDA Premium 4 mobile app
Please close this I posted it in the wrong forum. Sorry
Sent from my Nexus 4 using XDA Premium 4 mobile app

Nexus detected by anti theft security system

Odd things happen lately, no matter where I go with my nexus 4 anti theft systems at local stores like JC penny, Macy, old navy. Once I enter the store, the anti theft system beeps what the f**k? Or I leave the store. Anybody experiencing this?
I definitely can't say that I have
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Its annoying
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Happens to me all the time. Thought it might be NFC but its off; it bugs the heck out of me
Anybody have solutions?
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First time I've ever heard of that.
Sent with my Nexus® 10 minus 3
Am I getting tracked?
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kitila said:
Happens to me all the time. Thought it might be NFC but its off; it bugs the heck out of me
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Nah, I don't think it's NFC, the maximum range is roughly around 10 cm, which is relatively short.
But what makes your think it's the Nexus that is triggering the alarm?
Well thought it was my vape at first. Its the phone in my op cuz happens to me and the wife she is stock I'm rooted. And its the only thing I'm my pocket when it happens JC Penny's old navy ross's k mart Walmart . its weird
Never had this happen nowhere in Germany. However I bought some boots once and months later in a random store the alarms went off. Showed one shoe was not unlocked when I bought it
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Probably restore stock settings and lock my phone?
Sent from my Nexus 4 using XDA Premium 4 mobile app
It does it to me on my rooted and my wife's stock nexus
This has never happened to me with either of my phones (N4 running AOSP custom rom or Atrix HD running CM11) or any of my past phones (iPhone 3GS jailbroken, Atrix 4G CM10), but my Surface Pro 2 does set off those things when going into my school library
nexus-4 said:
Odd things happen lately, no matter where I go with my nexus 4 anti theft systems at local stores like JC penny, Macy, old navy. Once I enter the store, the anti theft system beeps what the f**k? Or I leave the store. Anybody experiencing this?
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The solution would probably be to stop hiding under your clothes the T-shirt that you grabbed from previous store!!
That would stop the noise ?
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RASTAVIPER said:
The solution would probably be to stop hiding under your clothes the T-shirt that you grabbed from previous store!!
That would stop the noise ?
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Are you saying I'm stealing? Excuse me please i had nothing on me except my wallet and phone. Understand what I said before open ur big fat mouth please don't be a jerk.
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If you can't get a bit of humour, then don't talk at all.
Unleashed by my Nexus 4
RASTAVIPER said:
If you can't get a bit of humour, then don't talk at all.
Unleashed by my Nexus 4
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How do you like getting accused of something u havent done? Funny? If u don't know the solution opening ur mouth doesn't make u a genius. i'm pissed I can't find solution like other guy with whatever nfc is. Please take your humor somewhere else. Alright? Thx.
Sent from my Nexus 4 using XDA Premium 4 mobile app
hey guys did you find a solution for this issue, i am getting the same thing getting out of walmart WTF it happes all the time now.
i use CM11 lattest nightly.
and is like he is saying first i tough somebody forgot to take the damm sensor out but then i notice that i go by my self just me and my phone and the damm thing goes off i even asked my son to by him self and then take my phone and go ture it, as soon as he goes with my phone bang... alarm goes off.
it never happend before but it started a couple of weeks ago.
a friend of my told me that the wireless charger can cause this do you use the wireless charger? stooping to think about my issues started after i start to use it.
any coments on that guys?

[Q] Nexus 4 possible battery issue?

Hello I'm new to the nexus 4 forms. Okay so today I traded my Galaxy note 1 for the nexus 4 and the HTC One x. I was really excited to see the nexus 4 for the first time. Upon looking at it, the screen had 3 cracks in it but the person said it still functions fine. Cracks don't really bother me that much anyway. He also said that it needed a new battery and that the phone can still be turned on/used. When I went home I plugged it in and I saw a flashing red-light. Then a few minutes after I saw the charging icon on the screen. I waited abit more and tried powering on, the battery icon disappeared and I saw the flashing red light again, I left it alone for about 30m+ and when I looked at it I saw the battery icon filling up and down but there was no raise in charge. So I started looking things up. I have tried opening the phone and disconnecting the battery on and off the board, stripping a USB cable with the + and - connections putting it on the battery for 13-15mins plugged into a laptop (I used my playstation 2), and that didn't work. What I then did is take the battery out and plugged in the charger only. I managed to get into the bootloader screen but when pressing start I see the Google word and it just shuts off. Awhile later it just got to the point where when I plug in the charger the red light blinks and stays that way (occasionally I will see the charging logo). I will buy a new battery if needed I just wanted to make sure there's something I didn't try yet, or confirm the battery is the issue. There doesn't appear to be any water damage and everything looks clean inside the phone. I can post a picture of the battery if needed. Hopefully this phone isn't dead and can be working again, I saw afew videos called the red light of death where the nexus 4 was plugged in with a steady red light appearing with no charging at all, mine only flashes so I think that is a good sign. I guess I will plug it in all night when i go to sleep hoping for it to turn on in the morning. I've also already called lg and they have horrible service... Please let me know if there's anything else I can try. Thanks!
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Anyone?
Sent from my Incredible 4G LTE using XDA Premium 4 mobile app
I mny opinion it is definitly the battery issue,cause it is booted withput it. Just buy new battery and you will be good to go
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Ra1nst0rm said:
I mny opinion it is definitly the battery issue,cause it is booted withput it. Just buy new battery and you will be good to go
Sent from my Nexus 7 using xda app-developers app
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Well it didn't really boot. I only could make it to the bootloader.
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TeChNoC4AzY said:
Well it didn't really boot. I only could make it to the bootloader.
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I know.It dont boot to rom cause it need more power than usb so it cant do this without battery
Now I'm starting to wonder if the touchscreen will even work right.. I mean look at this..(i put a pic) Do you think the touch will be okay? The glass is all that got damaged, the lcd Is perfect though. I'm going to get it replaced soon enough hopefully.
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^^^^
99.9999% touch screen will not work.
RolF2 said:
99.9999% touch screen will not work.
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You gotta be kidding right... Dang. So one Crack will make it not work? I mean I'm on my HTC Droid and I was able to still use it 100% normal after dropping and cracking the screen slightly.
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we are talking about LG nexus 4 , not a htc. Nexus 4 digitizer is made directly on front glass.

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