Random Reboots - Nexus 5 Q&A, Help & Troubleshooting

My Nexus 5 getting random reboots. Seems like power button pressing itself. Any fix?
Sorry for my English

power button and random reboots are two completely different things. power button can be fixed relatively inexpensively. or by warrenty! random reboots, post a last_kmsg and we will look.

I called google about this and the sent me a replacement phone and a box to send my phone back. Took only 2 days. Worth it. I was getting these all the time because of the power button.
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Related

[Q] Transformers just randomly dying?

I've come a across random posts and threads in which people have reported their transformers just dying.
I ordered one along with my Co worker and we got it on the 29th.
His just randomly died today.
I'm curious if this is really that widespread of a problem or really unlucky people.
Please reply here if your transformer died. Please only post if it died, not if you were able to bring it back somehow.
Sent from my Nexus S using XDA Premium App
I thought mine had died but it had just gone into a coma. Has he held down the power button for about 10-15 (force power off), and then held it in again for about 3 seconds to turn it back on? It's definitely a problem that several people here have.
Yeah I have the same issue with mine but doing the force power off and the 3 second power push always gets it back up.
Sent from my LG-US670 using XDA App
Mine froze on me earlier today for about 5 minutes (I could turn the screen on/off but that was all), about 5 or 10 minutes later I was able to force a power off and turned it back on. Only happened that one time and I'm not sure what caused it.
Are any of you guys using auto-brightness by any chance?
This happened to me a few times after I changed it from manual to auto-brightness. I changed it back today and everything seems to be working as before so far.
Well mine is dead, flat dead. Worked great for about 12 hours It is charged, (I have kept it plugged in) I have tried many different combos of sequences on the power button, my volume and power buttons feel good (some report stuck buttons), no life. But hey, when it was working I liked it a lot.

Hard reboot

Okay so your supposed to be able to hold the power button for 10 to 15 seconds for the phone to do a hard reboot but it doesn't work.
On my nexus 7 and kindle fire I can just hold the power button for 10 to 15 seconds if the device locks up or freezes on me and it will do a hard reboot but on the SGS3 it doesn't reboot, I held the power button in for over a minute and nothing happened, sometimes my phone locks up or freezes on me and its a pain to have to pull the battery out in order to reboot as I have a cover on my phone.
Am I doing something wrong? Is there a combination of buttons I am supposed to push for it to work? Any help will be much appreciated.
Sent from my Nexus 7 using xda app-developers app
Hmmm, I am able to use this regularly when my phone has problems. Had an SOD on CM10, and also a lockup in TWRP and was able to reset the device with the power button. Sorry I cant offer anything other than saying that you dont appear to be doing anything wrong.
Holding the power button doesn't force a reboot for me or my dad either. I didn't see anything in the manual about forcing a reboot either. AFAIK pulling the battery is the only thing that works.
I got the infamous black screen the other day and had no clue what was going on. I'd never gotten it before on any of my Android devices so I was freaked out. I thought I may have killed something. I tried the power button / volume rocker to no avail. Pulling the battery was the only thing that worked.
Thank you Samsung for giving us a removable battery.
My wife has the GS3 too and I have tried holding the power button for 10 to 15 seconds and nothing happens. Weird that some phones it will reboot and others don't while holding the power button.
Sent from my Nexus 7 using xda app-developers app
I just tried. Nothing happened
Sent from my SCH-I535 using xda app-developers app
Power button works for me and I've done it, let me see, 10+ times. It doesn't work right away sometimes, but a few iterations of holding down power for 15 seconds, release for 1-2 seconds, holding it down again, and so on works every time for me.
I haven't taken the back off my phone yet. Well once, to see how to do it, but I didn't need to so I promise the power button works.
EDIT: As luck would have it, I had to do a hard reset on my phone shortly after writing this and I actually hold volume down and power (no volume up or home button) and I cycle through holding it down for 10 seconds, letting go, holding it down, etc. I don't know if it's just my phone, but it vibrates after a couple iterations and I know it's good to go. I always keep my phone on vibrate though so I don't know if that will apply to you.
On the topic of needing to hard reset our phones, am I the only one who's phone deals out about once a day? As in locks up and flickers like it's having a stroke...just curious
Sent from my Galaxy S III using Xda Premium
topolovich said:
Power button works for me and I've done it, let me see, 10+ times. It doesn't work right away sometimes, but a few iterations of holding down power for 15 seconds, release for 1-2 seconds, holding it down again, and so on works every time for me.
I haven't taken the back off my phone yet. Well once, to see how to do it, but I didn't need to so I promise the power button works.
EDIT: As luck would have it, I had to do a hard reset on my phone shortly after writing this and I actually hold volume down and power (no volume up or home button) and I cycle through holding it down for 10 seconds, letting go, holding it down, etc. I don't know if it's just my phone, but it vibrates after a couple iterations and I know it's good to go. I always keep my phone on vibrate though so I don't know if that will apply to you.
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sometimes a locked up phone will reboot on its own and it always vibrates first. you may just wasting your time with all the button pushing

[Q] phone randomly reboots itself

I've had my phone for a while now and its been perfect up until about a week or so ago it started randomly turning itself off and back on. I don't believe it's a sticky power button because the button works just fine. Plus the phone will do it while i'm using it, not anywhere near the power button. Like for instance i had been browsing facebook for a couple minutes the other night and it just rebooted itself. Tonight i had it in my hand not using it just holding it and i felt it vibrate twice because it turned itself off and back on. any ideas on what this could be?
leto998 said:
I've had my phone for a while now and its been perfect up until about a week or so ago it started randomly turning itself off and back on. I don't believe it's a sticky power button because the button works just fine. Plus the phone will do it while i'm using it, not anywhere near the power button. Like for instance i had been browsing facebook for a couple minutes the other night and it just rebooted itself. Tonight i had it in my hand not using it just holding it and i felt it vibrate twice because it turned itself off and back on. any ideas on what this could be?
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Click to collapse
What ROM are you using? And I wouldn't rule out a sticky power button yet
Sent from my HTC Express using xda premium
Sounds exactly like the sticky power button my did same thinh
Sent from my SAMSUNG-SGH-T989 using xda premium

[Q] Power Button Trouble

Hi,
i have trouble with my nexus 5 with the power button,
i did factory reset even install a custom rom but nothing!
this problem started 2 weeks ago its like i hold the power button randomly and just pops the power menu for turning it off but then in restarts again and does a soft reboot like if i was holding just the power button and this continously happens even though i did a factory reset! and it happens very oftens sometimes like 40 times in a day! so its getting me crazy...
please help!
Stuck power button. Rma the device if under warranty, or have it replaced.
Sent from my Nexus 5 using XDA Free mobile app
jd1639 said:
Stuck power button. Rma the device if under warranty, or have it replaced.
Sent from my Nexus 5 using XDA Free mobile app
Click to expand...
Click to collapse
the problem is that i have a little crack on screen so no more guarantee! and the button is not stuck and i moves normally because it works i think is something inside! what you think !

Phone doesn't turn on unless it's plugged in and then it keeps rebooting every 2 seco

My phone has been acting weird the past couple days. It would randomly reboot but when it rebooted, I would have to hard reset it for it to completely boot up. For the past couple days it would happen a couple times a day. Today it was doing it almost every hour. I was just waiting to get home from work so I could back up the phone and wipe and then it just turned off. I couldn't get it turned back on. When I plugged it into the charger it turns on the Google logo and then reboots over and over again. When I unplug it, it shuts off. I can't even get it to boot into recovery or bootloader because it keeps rebooting every couple seconds.
Just a guess, but I think you're power button is shorting out. See what others think.
Sent from my Nexus 5 using XDA Free mobile app
jd1639 said:
Just a guess, but I think you're power button is shorting out. See what others think.
Sent from my Nexus 5 using XDA Free mobile app
Click to expand...
Click to collapse
Yea I've seen it in another post. That doesn't explain why the phone keeps rebooting as soon as I plug it in. But I have noticed that for the past couple days, the power button was becoming really sensitive as in I would hit the power button to turn the screen off and then it would immediately turn the screen back on. But if its a hardware issue then there's nothing I can do but contact Google to send me a replacement.
armandosal said:
Yea I've seen it in another post. That doesn't explain why the phone keeps rebooting as soon as I plug it in. But I have noticed that for the past couple days, the power button was becoming really sensitive as in I would hit the power button to turn the screen off and then it would immediately turn the screen back on. But if its a hardware issue then there's nothing I can do but contact Google to send me a replacement.
Click to expand...
Click to collapse
I think as soon as you plug it in the battery gets enough charge that it boots but then the power button shorts out and it reboots
Sent from my SAMSUNG-SGH-I727 using XDA Free mobile app
I tried tapping on the phone by the button and it turns on the phone for a little bit. Same thing if I wiggle the power button. I'm convinced that's the issue.

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