Google Nexus 6 :: Restarting Phone Into Bootloader

Nov 5, 2015

so I was trying to flash the latest Nexus build to my Nexus 6, but the bootloader was taking 10+ mins to flash, so I tried closing out of cmd and then restarting my phone into bootloader. Unfortunately, now, my computer doesn't recognize my phone, saying that the drivers are no bueno, so that when i type fastboot devices nothing shows up.

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Google Nexus 5 :: Phone Stuck At Bootloader?

Oct 18, 2015

I have a nexus 5 that I was preparing to hand down to my wife. I had transfered everything over to my new phone, and initiated a factory reset. It rebooted to the "erasing" screen, and sat there for about 20 minutes, before switching to the dead android screen (w/ red triangle.) I thought that was odd, did some searching, and tried the recovery mode from the bootloader. That produced the same results. So now I'm stuck.

From the boot loader I can access the following options:

Start -> Erases for ~20 minutes, then dead android
Restart Bootloader -> Screen goes blank, phone vibrates, and then back to the bootloader screen
Recovery Mode -> Erases for ~20 minutes, then dead android
Power off -> turns off the phone

I called Google, and the tech support hadn't heard of anything like this. Because it's almost two years old, he transferred me to LG's tech support, who basically said find a local repair shop, or they could RMA it for an unknown cost.I'm pretty sure the phone is bricked at this point, which is frustrating, because it was running stock android - completely unmodified. I think I might have rooted it once, months ago, but I can't imagine that that would have caused this issue. I had even received and installed Marshmallow OTA, and it was running perfectly.

Anyway, some program I might be able to use on the PC to regain access to my device.

Literally the only information I can provide about the phone at this point in time is as follows:
Product_Name - hammerhead
Variant - hammerhead D820(H) 32GB
HW Version - rev_11
Bootloader Version - HHZ12k
Baseband Version - H8974A-
Carrier Info - None
Serial Number - 047....
Signing - Production
Sercure Boot - Enabled
Lock State - Unlocked

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Google Nexus 5 :: Bricked Phone - Cannot Unlock The Bootloader

Oct 1, 2015

My nexus 5 just turned off and is stuck on the boot animation. I am able to access the bootloader and have already tried to wipe cache and performed factory data reset but the phone is still stuck on the boot animation. I have tried to unlock the bootloader with 1-click-nexus-5-bootloader-unlock as well as CF-Auto-Root-hammerhead-hammerhead-nexus5 tools but after I accept to unlock the bootloader, the phone reboots and gets stuck on the boot animation. The bootloader status remains locked.

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Google Nexus 5 :: Phone Constantly Restarting - Cannot Get Into Recovery Mode

Dec 1, 2014

So I've had lollipop since the Dev preview was released and I had less bugs on the preview than the final release. After side loading lollipop my phone randomly restarts itself and goes into loop. It gets to the point that when I try to get into recovery mode I can't make it to the restart boot loader screen without my phone constantly restarting.

Eventually it stops after a few minutes or up to a few hours. When this cycle occurs and I plug it into the charger the cycle gets even worse. My phone was unusable for over 5 hours yesterday. I've tried restoring it but no luck. What do I do !?

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Google Nexus 6 :: Why Don't Have Soft Keys / Notification Bar And Phone Keeps Restarting

Mar 5, 2015

This morning my phone locked up and then restarted itself multiple times. It took a few tires to turn back on before it was fully able to. Now that its on, there are no soft keys or notification bar.

Also the screen will not turn on for more than a second or two and the wallpaper has gone away. When I am able to select something I get stuck in that app and can't get out of it without turning my phone off.

Only update that I got recently was the Hangouts one. Outside of a factory wipe, not sure what to do at this point.

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Google Nexus 5 :: Stuck At Google Logo After Updating Bootloader

Dec 24, 2015

Just wanted to upgrade my sisters phone which was running an old 5.1 version (custom rom, so the phone was unlocked and rooted already) to an android 6.0.1 custom rom. So I flashed newest twrp and flashed 6.0.1 bootloader and radio.img via fastboot using wugfresh tool and the files from the thread on here. now when trying to get into recovery, I am stuck at the google logo.

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Google Nexus 5 :: Bootloader Flash From TWRP

Aug 18, 2015

I was trying to install a ROM and things got a bit messed up. I wiped system/cache/dalvik/data via TWRP. I then went to install the ROM but it failed due to only supporting hhz12h bootloader.

So now I'm kind of stuck. I can't update the bootloader because fastboot/ADB won't list the device in TWRP. Is there any way to launch an ADB server in TWRP so I can fastboot the bootloader? Doesn't look like there is.

If there's not: Is there a TWRP zip-install hhz12h bootloader I can use? Looked around, couldn't find one.

If not I'll have to try and find/flash the original image..but fastboot is not going to happen so I have to find a zip installable one that'll work with hhz12d bootloader...which hopefully is around. Otherwise I could install literally anything just to get an ADB server so I can fastboot the hhz12h bootloader in there.

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Google Nexus 5 :: Reflash Stock ROM Via Bootloader

Dec 13, 2015

my Nexus 5 has recently run into a problem where it suddenly decided to get stuck in a bootloop. I figured I could just reflash the stock rom via the boot loader with the wugfresh root toolkit but that unfortunately didn't work. But by doing this I noticed that my bootloader was not staying unlocked when I try to unlock it. Every time I unlock the boot loader and it restarts the bootloader automatically re-locks. I then proceeded to try and manually flashing the stock rom files individually and unlocking the bootloader each time I flash a file which was really annoying. It still hasn't worked and I'm starting to get worried because I've also started to notice my recovery can't really factory reset or wipe the cache. Instead I get this message at the bottom of the screen:

E:failed to mount /cache (Invalid argument)
E:Can't mount /ache/recovery/log
E:Can't open /ache/recovery/log
E:failed to mount /cache (Invalid argument)
E:Can't mount /ache/recovery/last_log
E:Can't open /ache/recovery/last_log
E:failed to mount /cache (Invalid argument)
E:Can't mount /ache/recovery/last_install
E:Can't open /ache/recovery/last_install
E:failed to mount /cache (Invalid argument)

So now I'm completely stumped, could this be the end of my Nexus 5?

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Google Nexus 5 :: Radio And Bootloader Of Lollipop

Oct 22, 2015

I wanted to test marshmallow so I decided flash xtra smoth rom by I am coming from lollipop so I flashed bootloader and radio of marshmallow but then I stuck into bootloop somehow I managed to get my backup restored now I am back to lollipop as I have done a factory rest before restoring so I should need to flash lollipop bootloader and radio again or I am good to go?

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Google Nexus 5 :: Rooting Without Unlocking Bootloader?

Oct 11, 2015

Will rooting my nexus 5 without unlocking the boot-loader void my t mobile warranty? My Phone is an LG Nexus 5 running the latest Version of lollipop and the only reason i want to root it is to be able to connect my ps3 controller to it and play emulators or minecraft...

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Google Nexus 5 :: Backup Through Fastboot / Bootloader Mode

Oct 7, 2015

Is it possible to pull anything off the phone using fastboot in bootloader mode?

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Google Nexus 6 :: Is It Required To Unlock Bootloader To Root?

Aug 29, 2015

To unlock the bootloader in order to root the Nexus 6?

I don't really care about custom ROMs, but there are a few root apps I would like to use.

For example, I'd like to enable touch to wake. That would make the phone perfect for me.

But I just do not want to brick the phone.

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Google Nexus 5 :: Why Can't Access Recovery Mode From Bootloader

Nov 28, 2014

just updated my Nexus 5 to Android 5.0 -- things looking smooth

went to root it

step 1) enable developer mode
step 2) restart into bootloader
step 3) fastboot flash recovery boot.img ( )
step 4) reboot into recovery mode...

step 4 is where things get funky, when I tell bootloader to load recovery mode the phone restarts and then boots normally.I've been hacking at this for a few hours, and ended up loading the boot.img file more than once (see steps below) -- the original attempt worked and would access recovery mode the "load from zip" option wasn't available to I started tinkering, at one point I told it to restart from recovery mode -- it listed updating 7 files after which it had flashed itself back to factory defaults.I then flashed the boot loader a 2nd time it stopped accessing recovery mode

since then I've tried
- download Quick Boot app (crashes when trying to load recovery mode)
- flashed with fresh factory image
- numerous attempts to restart into bootloader
- voodoo chanting (not really but that's next)

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Google Nexus 5 :: Screen Garbled After Bootloader Flash

Jul 10, 2015

I downloaded the Android M preview 2 and while flashing the bootloader with:

fastboot flash bootloader bootloader-hammerhead-HHZ12h.img
fastboot reboot-bootloader

after the reboot the only thing my screen ever displays is garbled colored pixels even after pulling the battery. Fastboot still works just fine, so I tried wiping everything and reflashing but it still never shows anything but this screen. I even tried reflashing older versions of the bootloader and nothing works.

Attached Thumbnails

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Google Nexus 5 :: Any Way To Flash Stock With Locked Bootloader?

Feb 10, 2016

After OTA update device got stuck on Google logo and somehow recovery is missing, Android on it's back with red triangle. Is there way to fix it with locked bootloader ?

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Google Nexus 5 :: Don't Start Anymore - Can't Access Bootloader Or Recovery

Jun 1, 2015

I've a Nexus 5, stock rom 4.4.4, rooted. Since 3 or 4 days I have unwanted reboots. And today, my nexus powered off and didn't want to reboot.

Even I press the power button for a long time (more than a couple of minutes) , nothing happened. The only thing I got, is when the device is plugged on usb charger : the nexus boot on the google logo then switch off and boot again on the google logo then switch off again and again and again....

I can't access bootloader or recovery... If the device is bricked, I just want to recover my. Is the flash memory could be recovered?

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Google Nexus 5 :: Backup Bootloader Before Flashing To Lollipop Or Marshmallow

Feb 23, 2016

Is it possible to make a backup of bootloader? If it is, how? I am not talking about kernel (boot.img is the kernel, correct?), system, recovery, or data. Bootloader.My Nexus 5 came with bootloader version hhz11n. The factory image from Google (4.4.4) has bootloader version hhz11k.

How different these two are, but since hhz11n image can't be found anywhere, I want to back it up before flashing to Lollipop or Marshmallow.

My Nexus is still running 4.4.4, bootloader unlocked, rooted, with TWRP installed.

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Google Nexus 5 :: Why Does It Go Straight Into Bootloader After That Shows Black Screen

Mar 26, 2015

So, I turned on my phone and now it goes straight to the bootloader. So, when I select "Start" option, screen turns black (can still see backlight shining though). It was sitting there for hours, but screen stayed black.

I did have a rooted phone, but I hadn't tinkered with it for about 6 months.

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Google Nexus 5 :: Rooting Without Opening Bootloader Or Setting Device In USM

May 15, 2014

Is there anyway on kitkat 4.4.2 to root the phone without opening the bootloader or setting my device on USM (USB Mass STorage)?I think not as I'm searching on google since 2 days but still maybe some genius around here has something for me ?I need to do some recovery on my device but I can't because I'm not root.

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Google Nexus 5 :: Won't Load Into Recover From Bootloader After Flashing Stock 5 Or 6

Oct 29, 2015

I have flashed various version 5 stock firmware's and the latest 6.0 using nexus tool kit, as well as specifically flashing only stock recovery using the tool kit and I cannot load into the stock recovery. I've spent hours looking for information on manually flashing the stock recovery without the tool kit but have found the instructions very vauge. Any information on flashing manually only the recovery would be very useful or information on why I may be having this issue.

I know every time i flash a rom it only shows about half of my internal storage. I have a 32gb version. So I end up having to go into a recovery "temp flashed" using the tool kit in order to clear some information and then i get my 32gb's back.

I"m wondering if the space being auto allocated or partitioned is interfering with the flash of the recovery..

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Google Nexus 5 :: Android 6 - Forgot Unlock Pattern But Bootloader Is Unlocked

Nov 1, 2015

I forgot my unlock pattern and I don't have my device in ADM ... But the bootloader is unlocked, so I think I can install any image I want, right? Could this be a way to get into my device? So any solution to unlock my device without doing a hard reset?

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Google Nexus 6 :: Keeps Restarting After 6.0.1?

Dec 23, 2015

It keeps randomly restarting after the ota of the 6.0.1 I've don't a factory reset and wipe cache should I downgrade?

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Google Nexus 5 :: Restarting Repeatedly For Several Hours?

Jul 9, 2015

My Nexus 5 has started periodically encountering this problem about once a month or so where it will just shut off and then repeatedly restart, never getting out of the start up process. It will then be unable to turn on for hours, restarting itself anytime it is booting up. This will last for hours, sometimes a day, and then will just start fine and not have any issues for another month or so. Any recommendations without a factory reset?

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Google Nexus 5 :: Restarting Every Couple Of Minutes And No Service

Oct 21, 2015

I have an issue with permanent restarting and no service in my N5. I have bought it like this for very nice price with hope to restore it. It had CM11 with restarting and no service issues when I received it.

I decided to try hard reset and after many tries with Nexus Root Toolkit and LG Flashtool I have ended with 4.4.4. with quite "stable" performance (it is working fine for couple minutes periods between restarts).

In bootloader there is no issue with restarting so it looks like system problem to me but I am not sure...

[URL] .....

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Google Nexus 5 :: Trying To Factory Reset - Device Keeps On Restarting

Jun 3, 2015

I have tried factory reset 3 times now and still the device keeps on restarting on its own if it goes to sleep mode ...

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Google Nexus 5 :: Keep Restarting (Looping To Logo Then 4 Color Dots Screen)

Dec 3, 2014

Nexus 5 keeps restarting (looping from Google Logo - 4 color dots screen)... I flashed lollipop from Google Website the latest one last Nov 22 if im not mistaken everything works great except yesterday. constantly looping to google logo then the 4 colored dots loading screen then google logo. I tried to reset volume up down + power or volume down + power but no lock. cant flash again because it wont stay on to the fastboot screen will reboot after few secs...

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Huawei Nexus 6P :: Unlocked Bootloader And Rooted Phone

Jan 3, 2016

After i unlocked my bootloader and rooted my phone, everytime i boot up my phone i have this msg and then the phone start, how do i get rid of this msg?

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Huawei Nexus 6P :: Can Get OTA Updates If Unlock Bootloader And Root Phone

Nov 20, 2015

If I was to unlock my bootloader and root my phone, should I still grab ota updates?

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Google Nexus 5 :: Phone Doesn't Ask For Google Credentials After Many Unlock Attempts

Aug 22, 2015

I'm sure many of you have heard that when you enter an incorrect pattern/PIN/password, eventually the phone asks for Google account credentials to unlock it. My Nexus 5 on 5.1.0 does not do this. Does yours? If my lock screen is set to PIN, I can enter as many incorrect attempts as I want, it never asks and never stops me. If I have a pattern set it will let me enter 10 incorrect attempts after which it simply stops me from trying for 30s, but it never asks for Google account credentials.

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Google Nexus 5 :: Phone Stuck Resetting At Google Logo

Jul 20, 2014

So this morning I woke up to my phone on a boot loop on the Google Logo. I have no custom roms or mods on it other than I am running ART. I suspect it could be battery related as it will only seem to do this on the charger but when I don't have it plugged in it won't even start up. When it's plugged in it won't even seem to want to stay "off", it boots up to the google logo on its own. If I hold down the volume rocker I can get into the bootloader but it resets before I can select anything and boots right back into the google logo.

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Google Nexus 5 :: Phone Keeps Rebooting On Google Logo

Nov 29, 2015

when charger is connected my phone keeps rebooting on Google logo, when I disconnect a charger it has no signs of being alive. now somehow i managed to get into fastboot, but when i try to get into recovery phone reboots again and shows full charged battery. What should I do now? I tried to flash stock and unroot via nexus root toolkit, i get the same.

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