[Q] Nexus 5 Boot loop/other issues - Nexus 5 Q&A, Help & Troubleshooting

Good evening all, I've owned my Nexus 5 for about 6 months, and yesterday for the first time, I had some issues with it. The phone shut it self off and would get stuck in a bootloop, I was eventually able to get the Nexus into the bootloader, but seemingly today, the phone will restart before I can make a selection.
Unless the phone is plugged in, I can't get any response out of it.. any idea?

Looks like a faulty power button to me since it restarts. Could also be a hosed emmc as well.
Hold the power button till the phone completely shuts down and then try to switch it back on. If it's still the same, time to claim warranty.

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[Q] Did my nexus 5 got hard bricked?

Hey guys, so.. I may think that my nexus 5 is hard bricked.
It all started when my phone was having the infamous " power button " issues, the power button just got ****ed so I replaced it with a new one at some apparently ****ty lab.
It worked, but again started to show signs of malfunctions after 2 weeks or so, when I pressed the power button most of the times my phone didn't go into sleep mode it was like I never even pressed the damn button, but I got a long with it because usually on the second try the the button functioned properly.
But now.. oh boy, a few days ago my phone began to restart by itself and then I knew that my power button is completely ****ed again, and on top of that my screen got ****ed.. apparently the leds on my lcd got burned or something so the screen is like " stuck " at low brightness all the time ( tried everything, deff not a software issue. ).
So.. today, I went to replace my screen. the lab guy told me that the previous lab apparently did a really ****ty job on my nexus and as soon as he unplugged the motherboard to replace the screen the damn power button fell of as it wasn't even welded properly to the motherboard.. so he tried to fix it for a lot of time but with no luck.. and when he gave me my phone back, well.. everything went to ****.
Yes, he replaced the screen. but now, the phone WILL NOT BOOT. it's like the power button is pressing itself whenever I try to power up my phone so I can't even make it to the lolipop animation most of the time, and when I do get lucky and I get to the animation the phone just restarts again. Strange thing is that if the power button were to press itself all the time well the phone is suppose to try and turn on all the time right? wrong, only when I try to turn it on ( if I actually get that lucky because most of the times that i'm trying to turn it on nothing happens ) ONLY THEN it restarts, I can't use the bootloader because the phone just keeps restarting.
I don't know if this is a real power button issue, or if my phone got hard bricked.
any thoughts?
P.S: when I plug my nexus into a wall charger then it just keeps loop booting to the " google " screen until I unplug it.
Um this isn't a hard brick, they broke your phone...
Sent from my Nexus 5 using Tapatalk
The power button needs to be properly soldered on,
The phone is stuck in that cycle due to the failed soldering job,so the power button is pressed/on constantly
I don't get why the screen would get faulty.
If you don't have good repair places around you will need to buy a new phone.

[Q] Phone switches off after few seconds

Hi,
Guys I am going through some **** right now. Plese read the scenarios below and help me. I got no help at the oneplus forums.
Scenario 1 -
My phone was working fine until last night, I mean this is when I last used it. I switched it off and went off to sleep and in school today when I was trying to power it on the boot logo came and it went and after many tries the cyanogen logo came and it went away there is 80% battery. It doesn't charge also, like the phone recognises the charger but remains at 80% when I go to recovery try wiping cache and data, the phone switches off in few seconds. I can go into fastboot and stay for like 3 seconds then the phone switches off but I can connect it to power and keep it. I am on stock, latest CM12S. The only unusual thing I did yesterday on my phone is that I charged it using a different adapter but same cable. I can't seem to find this issue on google.
Scenario 2 -
Guys,
My phone's really messed up and I am scared to tell my dad cause he warned me before getting it for me. After the OnePlus logo comes, when I press the volume button and hold it, it works and as soon as I leave the volume button, the phone switches off. What is wrong? Do I need to send it back. I got it from Oneplus.cn so I am a bit worried and it's going to be tough to check what's happening.
Scenario 3 -
I removed cm12s and tried to flash oxygenos and I failed so then I installed cm11s and still have the problem, my phone can only boot in safe mode and as soon as I leave the volume button it switches off, same for recovery. Used the onplus toolbox by Inthiaano to install CM11S 44S.

Stuck in a bootloop, but I didn't do anything to my phone

Hello, Nexus 5 forums. This is my first post on here, because I never even tried to root or install a custom ROM on my Nexus 5, having bought it for the official updates from Google and all that stuff (I had a Galaxy SII before this phone, and I frequently visited the XdaDev GSII forums because I installed CyanoGenMod on it).
I'll go straight to the point. My phone suddenly started rebooting randomly today, and by the end of the day it was stuck in a weird kind of bootloop. The Google logo would pop up, and right as the MM boot animation started the phone would reboot and the Google logo would show up. Right now, the phone's battery is probably dry, so that's why the phone isn't bootlooping, but it has done so for 3-4 hours before shutting down. I tried opening the phone, removing the battery and putting it back in, but the phone just kept bootlooping. I tried both getting into the stock recovery and into download mode, but the phone keeps on rebooting as soon as I get into download mode.
Can I do anything to fix this or is my phone doomed to the eternal bootloop?
Thanks in advance for any and all replies.
Sounds like there may be a problem with the power button.
Same thing happened to me like 5 times now. It is the power button. What I do is knock it on the side of a table below the power button. I just need it to last until the new nexus is released, so I never investigated the proper fix.
I understand, so my problem is more a hardware than a software issue. I tried knocking the phone on the side of a table like @NicksSpleen said, but maybe my problem is more serious. What can I do to fix this? I need it to last until Christmas, as I'm going to get a new phone then (maybe the Nexus Sailfish, if the price is acceptable).
EDIT: Double post.
I disassembled my phone and fixed the problem by cleaning the power button. Works like a charm. Thanks for all your suggestions!
Anything other than the power button?

Nexus 5 won't turn on or display charging icon, no bootloop

I've had my Nexus 5 since it was released in 2013. About two years ago I started getting a dreaded bootloop and determined it was the power switch failing. I had the power switch replaced and all my problems went away.
About 6 months ago I started seeing the symptoms of a failing power switch. Random reboots which would go into a bootloop which I could stop by smacking my phone or cleaning it with video cleaner.
But then I that was getting less effective so I finally had the power switch replaced again. I have tested the switch itself, and it does close the circuit when pressed. But I am still unable to turn on my phone. When its plugged in I dont see the charging battery icon either.
But if I let it sit for a while, and hold down on the power button occassionally it will turn on and I will see the google logo, but then it shuts down. I can also hold down power+vol down and somtimes turn on in recovery mode before the phone turns off.
I can only seem to keep the phone on for 1-4 seconds before it turns off.
I'm assuming that there must be some hardware damage somewhere. Perhaps its thermal related? I havent tried freezing or heating the logicboard yet, but am now considering that. I need to boot it up long enough to transfer a couple files.
Does anyone have any thoughts on what I might try?

Galaxy S7 won't turn on but will charge(kinda)

I've had this phone for about 2 months now, and from the beginning, it's had an issue where it would randomly freeze, restart, and get stuck in a boot loop for random amounts of time. Sometimes it would be fine after 2 minutes, sometimes it would need 10. I kept thinking this was a firmware issue - the phone WAS rooted with TWRP installed, but none of my past phones have had this issue and hardly anybody online seems to have had it, either - and just thought that maybe installing a custom ROM would fix it, but never got around to doing so.
3 days ago, my S7 went into a boot loop again, so I just decided to put it down and let it do its thing. After 20 minutes, however, it still wasn't booting, so I booted into TWRP, and cleared the cache and Dalvik cache. Another 20 minutes later, I went into panic mode and started doing Nandroid backups of my stuff. I decided that I had no other choice but to commence with finding a ROM to replace stock. In the meantime, I just plugged it in and let it keep looping, hoping against hope that it would just fix itself like it always did.
About half an hour later, I was ready to install the ROM I'd decided on. I went and picked up my phone, but all that I saw was the screen was black, and the blue notification LED was lit up. I tried holding Vol- + Power to start booting it into TWRP, but nothing happened. The phone didn't vibrate, the screen didn't change, and the LED stayed lit. I tried holding every button combination possible, for even as long as a minute, but the phone refused to respond. I tried plugging it into my computer, but Windows didn't detect anything.
Skip to today, and the phone's battery has long since died(the LED isn't lit up, so I can only assume...), and I just decided to plug the phone in for the hell of it just to see if maybe it would maybe work again. To my astonishment, 2 minutes later, the battery icon came up on the screen, but the charging animation wasn't there. When I held Vol- + Power, the phone actually responded and restarted! Though, it wouldn't boot past the Galaxy S7 splash screen, and when I tried to boot it into TWRP, it went back to being a brick. I let it sit for about 10 minutes, plugged it in, and this time tried to get it into Download Mode, and it worked!
I downloaded the Switzerland version of the G930F firmware, flashed it in Odin, and everything seems to have worked. Odin says it succeeded, but when the phone tried to restart, it got to the splash screen, and after a few minutes, the screen went black again. When I plug it in now, the Galaxy S7 screen will come up, but now I can't seem to get into Download Mode anymore(though, it DOES still seem to respond to me pressing Vol- + Power).
Does anyone have any idea what's going on? I can only seem to find 3 or 4 other threads on various forums about this problem, but none of them have any answers. People just keep saying the usual "Hold Vol- and Power to make the phone restart", but in case I haven't made it clear, THAT ISN'T WORKING.
And before you suggest that I return it to where I bought it for a replacement or refund: I bought this phone on eBay from a seller who said it was in pretty much mint condition. When the phone arrived, there was not a dent or scratch anywhere on the phone, even around the charger port, so I have no reason to believe he was lying. When I asked him about any possible problems with the phone's operational stability the other day, he says he tested it for about 2 weeks, and that he didn't notice anything.
Sounds like a hardware fault, not much else you can do other than flashing stock and factory resetting, which you've done
Considering it had a fault from day 1 it sounds like that fault finally caught up with it
Likely scenario if sent for repair, new motherboard replacement needed

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