yashsingh1/xdaforums huggingface dataset:
[Nexus 6P General] mbkennel:
If the origin of the problem really is a flaw (or many) in the Qualcomm 810 chip, then it seems theoretically plausible. The 810 is a "System on a Chip", including GPS, GPU, CPU's, display, modem, and what appears to be specialized image processors for imaging. So loads on camera, and on GPS would cause certain parts of the chip to work hard. I don't know why there's a bootloop and something doesn't reset properly with a poweroff and cooldown, though.

There are claims that the 810 was rushed to market prematurely because of unexpectedly strong competition from Apple, who designed an exceptionally powerful and successful main processor in 64 bits.

I can't post links yet, but do a google images search for "Snapdragon 810". Both sets of little and big processors are but a small fraction of the chip.
[Nexus 6P General] chandradithya:
Yes I am aware of the fact that both 810 and 808 were rushed to compete with Apple, But since you've mentioned the SoC thing, I'm further guessing it also could be the additional sensors Google had added to the Nexus for low battery consumption. Maybe all these together caused the processors to give up. I very well remember Nexus 5X and 6P were the first devices to sport the sensor hub
[Nexus 6P General] Rando81:
Thank you [MENTION=5288606]XCnathan32[/MENTION] for reviving my phone after dying to that plague 2 days ago, I was able to get to the unlock oem bootloader option after letting the battery die completely then charging it and letting the phone looping for 3-4 minutes, no hair dryer required...

Thank you again man, thank you thank you thank you:good::good::good:
[Nexus 6P General] royaljack7:
Well, that sad news for me. Btw thank you for what have you done for the community. Awesome work!!
[Nexus 6P General] vladtdr:
Performance is pretty good yea. On stock it was lagging but purenexus and elemtalx kernel with 1.7 overclock+1080p screen downgrade runs better than before. And the battery life is really good. Do you recommend any governor with these settings? Or should I just run default? Also, how can I prevent the little cluster from failing? I read here that it happened for some people. Anyway. you for this and I hope you will be able to work your magic on the Android o boot.img also.
[Nexus 6P General] xian2380:
can you please update the pa 7.2.2 boot.img?
[Nexus 6P General] XCnathan32:
I keep the governor to the default one, works well enough for me.

As for preventing the little cluster from failing, I do not know how to prevent that unfortunately. The people who it has happened to haven't given too much info on what happened, and I have no idea if it is a problem with the little cluster or something else. The best thing to do for now, is to save any important data you have to the cloud, and pray it doesn't crash.

Edit: Also I would keep the little core OC to 1632MHz, the extra 70MHz won't change much, so I'd rather play it safe.
[Nexus 6P General] XCnathan32:
Will work on that a bit later. Have you tried flashing EX kernel over it? That's what I did and it worked well for me.
[Nexus 6P General] XCnathan32:
Could you try to use the heat gun method to see if that will get it to boot?
[Nexus 6P General] kach22:
You are a Magician @XCnathan32

[MENTION=5288606]XCnathan32[/MENTION]

There's no word to thank you enough for what you have contributed for people like me who faced the BLOD on their nexus 6P. My phone went into BLOD few days back and I thought it's gone for good. But the process your described brought back life into my dead 6P. What an amazing job you have done! I wish I had a Paypal account to send you some D to buy you coffee and some more.

Now for my experience: I was unlucky as my phone was not bootloader unlocked while it went into BLOD but I was more than lucky enough to have the phone suddenly booting up once. Instantly I unlocked the bootloader and started initiating four core image flashing with modded twrp that you have provided. The phone came back into life in the first attempt and what a joy I had seeing my beautiful phone working again. I had difficulty flashing the EX Kernel at the beginning as the twrp was not giving me access. But I learnt how to get the access {just wipe the user data/factory reset, boot the phone back into twrp recovery, (not into system as it encrypts the data once again,) and flash the 4 core Ex Kernel which was earlier saved into the SD card}.

Finaly, my impression is my phone is performing almost like before but I also noticed some lag in opening some apps which is no deal breaker. I haven't tried playing any graphic intensive games so i cannot comment on the phone about how it is performing on games but I have no interest in playing games. Basic functions like calling, texting, Camera, wifi, LTE, internet browsing is same as before. I haven't noticed any problem using social apps like facebook, viber or whatsapp. The good side doesn't end here, I have noticed some improvement in battery life but that may be due to some other reasons as the phone doesn't have many apps as like before.

Not sure how long the phone continue to perform as it is now on 4 core but I will take an 80% functioning phone than a brick anyday. Every time I use the phone I silently thank you Mr. [MENTION=5288606]XCnathan32[/MENTION]. Keep up your great work.
[Nexus 6P General] xian2380:
thanks buddy for reply,i will try it later??
[Nexus 6P General] jaybo300:
Dev said you can over clock a little, what kernel app does that. I don't have the option in kernel auditor.
[Nexus 6P General] ZooBaAr:
If you flash the EX4 kernel it is aroma based so you should set the option there. Im sorry I haven't looked in KA.

[MENTION=5288606]XCnathan32[/MENTION] Any chance for modding DarkRom boot image by Dark_Eyes_ ?

Or do you think PN boot will be just fine? I am running PN now but I really liked DarkRom on my 5x so would like to use on my New Improved ! 6p. ;)

Thanks.

Zo0
[Nexus 6P General] XCnathan32:
OP updated with PA 7.2.2 build 8/10 boot.img and DarkROM build 7/21 boot.img
[Nexus 6P General] jer0k:
Thank you for the info.

I managed to do all of the steps above (had to do the heat gun + ice pack to get to TWRP). Unfortunately even with all of this mine is still bootlooping. :(
[Nexus 6P General] Rando81:
Is it possible to disable individual cores instead of all 4 big cores? I tried to experiment with quadcore manager app but couldn't make it work on my Nexus? Sorry if the idea is silly because I have no idea what I am talking about and was just trying to experiment :D
[Nexus 6P General] ran495:
Hi guys, unfortunately my phone encountered the BLOD last night and i have been reading this thread and many others. i have a locked bootloader and have tried several of the techniques posted to boot it up but still to no avail. Wont stop trying though. My question is: is there a way to flash the Pure nexus rom and EX kernel and all that other stuff but keep your user data? If not, does the EX kernel work well with stock rom? thanks.
[Nexus 6P General] fuadhdmini:
EX kernel works well with stock, that's why u can see in OP modified stock boot image.
[Nexus 6P General] SlimSnoopOS:
Yes to both questions but only if you are currently bootloader unlocked. Unlocking the bootloader will wipe the entire phone including userdata.
[Nexus 6P General] HuaweiSucks:
I JUST got my Nexus 6P working this morning. I let it die overnight, plugged it into my computer, and then let it cycle a few times. Using the computer USB cord should keep the battery low enough to let it boot at some point. Then I just went and did the OEM unlock.

Big thanks to everyone who took the time to write this information up. Saved me hundreds of dollars, and money is very tight these days. Thanks everyone.

Oh, I'm very new to phones. How do I flash my phone with EX Kernel or whatever you crazy kids call it? I'd like it to work a bit better and both guides just say "Do this thing" with no steps.
[Nexus 6P General] siddhu.patil:
Hi,

My nexus 6p stucks at Google logo & turns off.

It doesn't turn on until I press Power button + Vol. Down key ( this happens randomly after pressing the combination keys multiple times)

I also don't have Developer options enabled, which puts in great trouble to follow the steps which XCnathan32 has suggested in the link

My device has become a paperweight now, please help to get it back !!
[Nexus 6P General] kach22:
Dear [MENTION=8474156]siddhu.patil[/MENTION], most of us who have bootloader locked experienced this issue. If you are lucky enough your phone will, at some point, boot into system if you try many of the tips described in this thread (many reported heating the phone does the trick). Grab the opportunity to get the phone into developer mode and unlocked bootloader. Rest of the job is fairly easy if you follow the XCnathan's post. That's how I did it in my case and my phone is now working satisfactorily.

Best Wishes.
[Nexus 6P General] daproject:
There is any chance of getting a boot.img for Resurrection remix rom and for nitrogen rom please?

Or even tell me how to make my own

Thanks so much
[Nexus 6P General] RoelAFCA:
I just flashed the modified TWRP and after that used the zip ElementalX on Resurrection Remix. Nexus 6p works again! Performance is much better than I expected.
[Nexus 6P General] siddhu.patil:
No luck mate :(

The phone when trying to Boot gets stuck in google animation & gets off. Tried to heat the phone with hair dryer but no use. Kept charging for more than 4hours now.

Any inputs from the members will be of great help. Many thanks!!
[Nexus 6P General] kach22:
Just keep trying. Trust me, my phone was doing the same. But I waited for almost two days and then my luck opened up. Keeping it in charge all the time might not help. Let it drain the battery while bootlooping. My phone booted when the charge was less than 20%.
[Nexus 6P General] daproject:
My phone is up and running, but when I flash a new rom, mod exkernel the phone doesnt boot or get stuck in the roms logo
[Nexus 6P General] Spaccacerque:
Hi all' :) i'm still getting the same issue as before. Still bootlooping and a screen i'm posting.... can you make. A summary of what t do if after the fix still happens the bootloop??? Thnx a lot!!! [IMG="Here the issue image"]https://i.ytimg.com/vi/ddZVsT1Y2vw/maxresdefault.jpg[/IMG]

---------- Post added at 12:31 AM ---------- Previous post was at 12:26 AM ----------

After you "fixed" you were still bootlooping With the "cannot be ceched for corruption". Cause i'm still getting it and i tried it on 3 different pc
[Nexus 6P General] XCnathan32:
Will your phone go to the Google logo, or is it stuck on that screen?
[Nexus 6P General] XCnathan32:
Flash TWRP (download for TWRP in OP), then boot to recovery. Once your computer can see your phone, copy the modified EX kernel zip to your phone. Then in TWRP, click "Install", go to /sdcard (TWRP may go there by default), and click on the EX kernel zip, and then swipe to flash, the rest of the installation should be pretty self explanatory.
[Nexus 6P General] jer0k:
I got the same issue as you. I get that same screen then goes to Google screen then back to that same one.

I manage to follow all the steps for the fix.

Still bootlooping Stock android or pure Nexus.

I'm still hopeful.
[Nexus 6P General] forcedinductionz:
My 6p bootloop'd today whilst taking a photo. I like to live on the edge, so developer mode was enabled, and the phone was unlocked. I tried to revive it by doing the following:

1) Pulled the 48C 7.1.2 factory images, and flashed them. Stopped the first boot.

2) Flashed the 6p48C.img linked on the first post.

3) Rebooted the device.

Waited 40 minutes. The phone has been bootlooping continuously after the first reboot...did I miss a step?

TIA
[Nexus 6P General] Spaccacerque:
BIG IMPROVEMENT!!!!! NOW just BOOTLOOP with the google image!!!! :D next step??? ^_^
[Nexus 6P General] Balthazard:
I had the same. What worked for me was to boot into recovery again and flash the boot and ex kernel one after another. I must say that I don't oc and have better performance than I had with all my cores enabled.
[Nexus 6P General] s205702:
Just want to say thank you!

My 6p went bootloop this morning, after following your method, the bootloop is fixed now and phone is running fine!

Thanks!
[Nexus 6P General] XCnathan32:
What ROM are you using? EX kernel doesn't work with some ROMs, so I can mod the rom boot image for you.
[Nexus 6P General] XCnathan32:
Boot to bootloader, flash the stock 48C firmware (not required, however it alleviates the possibility that something else could go wrong. It will wipe your data FYI), and then flash the modified images.
[Nexus 6P General] XCnathan32:
Update: Welp, for me, school is starting in a couple weeks :( Which means I have to do all my summer assignments (that I had the whole summer to do), in two weeks. Cross Country race season is also starting for me, so I will be less active as a result of those two things. I will try my best to keep maintaining this and helping you guys though.

Also, I am working on an application to make this process easy for beginners. I wanted to learn C#, so I figured this was a good way to help me learn it. Expect that to come later this week/next week (depending on how lazy I am).

P.S: HUGE thank you to everyone who donated!! The support of this community is mind-blowing, and it means a lot to me that people appreciate my work enough to donate. Once again, thank you so much :)
[Nexus 6P General] JRizzo21:
I was stuck with BLOD for 3 days. I finally found your method, flashed 48C, then the boot.IMG you gave us, and it came back on. but unfortunately after 2 hours it went right back to BLOD. has anyone else dealt with this post-fix and found a way back to making it work again?
[Nexus 6P General] XCnathan32:
More people seem to be reporting this with the 48C update... Maybe try going back to 48B or using a custom ROM.
[Nexus 6P General] Archavius:
I've had this happen to me, except it was after flashing the kernel/the new boot image as well. Phone worked fine for 24 hours, then when I wasn't even using it, it started to boot loop. For us the hardware issue is probably much worse than other people. Our processors may have other parts of the chip affected which is why we boot loop again. Currently I haven't gotten my phone to work after that.
[Nexus 6P General] XCnathan32:
Try going back to 48B or using a custom ROM. More people seem to be reporting this with 48C.
[Nexus 6P General] JRizzo21:
Just an update. I got it back on finally by reflashing the boot.img again.. but it seems to be the only way to start this phone up now even when I manually restart the phone. is there a way to make it so that the phone always boots from that file from within the phone so I dont have to bring my laptop with me everywhere?
[Nexus 6P General] XCnathan32:
Try going back to 48B, 48C seems to be having this problem for many people.
[Nexus 6P General] outbackpaul:
I don't plan on updating a thing till I get the Pixel 2!! It's working so good why risk changing anything. I consider this a fix to get me by till I get another phone.
[Nexus 6P General] Archavius:
This was back when 48B was the latest firmware, I've tried with both and still no success. I wish there was a way to do a hardware diagnostic on the snapdragon in the phone to see which cores are failing but I don't know of such software that can be done through boot loader.
[Nexus 6P General] burduli:
Did you heat it up from front or from back? I mean, did you aim hair dyer on the screen or on the back? Sorry for too many question, this phone spent last 4 months in my drawer...
[Nexus 6P General] TokedUp:
can this be used as a preventative mod or is it only for pre effected 6Ps?
[Nexus 6P General] XCnathan32:
In theory I suppose it could be a preventive mod, I wouldn't recommend using it as a preventive, because device performance is notably decreased. Just keep OEM unlock on, and use your device as long as possible until it bootloops, then flash the image and it should work again (with 4 cores)
[Nexus 6P General] burduli:
I just heat the device to more than 40 degrees with hair dyer but still no luck... It's hot af, but still bootlooping on the Google logo... I wonder if there is any way to sign your modified boot.img in the OTA zip so that it would pass Signature Verification Check. Or if there's any way to disable it completely...
[Nexus 6P General] MaKTaiL:
I heated it up for 1 minute on the back (where the touch sensor is located). I kept it at a safe distance close enough to heat it (my hair dryer is too strong so it was going to heat it up A LOT). Keep your phone on and observe it until it finally boots. Then quickly go into developer settings and enable OEM Unlock.
[Nexus 6P General] burduli:
I kept heating it up for about 5 minutes but no luck... It got REALLY hot but still not booting...
[Nexus 6P General] MaKTaiL:
Keep trying. That's your only choice anyway, might as well keep heating it.
[Nexus 6P General] burduli:
Okay, thank you
[Nexus 6P General] cholisky:
Letting my 6P bootloop until the battery was under 10% let me boot into the operating system to turn on the OEM unlock option.

First attempt to flash didn't work because the USB connection charged the battery over 10% and back to bootloop.

Second attempt, I played games until the battery was around 4%. After that, flash worked and my phone is working again. Slow, but working.
[Nexus 6P General] digweed4me:
mine booted nicely this is how i have done flashboot image build no N2G48B AND immediately put your phone into bootloader mode flash 4 cores boot kernel given by op and it booted

thanks op love you
[Nexus 6P General] XCnathan32:
We'd need google's keys to sign the zip, I'll do some testing and see what I can find.
[Nexus 6P General] burduli:
Okay, thank you!
[Nexus 6P General] rchtk:
It's important to emphasis that disabling some cores is not an universal fix as it didn't work for some users. O dp3, Nougat, PN all failed to boot with 4 or 1 core on my device.
[Nexus 6P General] HuEx:
Can u Plz Make Tgis Happen For LG V10 ?!
[Nexus 6P General] digweed4me:
how did you flash the modded twrp ? i did it throgh fastboot and always say booting to twrp and it never did just booted back to android.
[Nexus 6P General] Nathan-K:
Just wanted to duck in and say "this". I am not knowledgeable with this subject, in fact I intentionally kept myself out of it for CoI reasons. It seems the electronic equivalent of "limp home" mode in a car.

The fundamental issue still needs to be identified. Could be bad silicon, could be mechanical issues, who knows. Only Google and Qualcomm do. However (and this is just me) if getting this signed helps get even a single bricked phone working it's worth a shot.

What have you got to lose? :rolleyes:
[Nexus 6P General] treezy26:
Just want to say thanks for this. I was able to get mine booted and running PN. Gonna charge it and do a test run for the week. I'm currently using the G6 and don't get me wrong, it's a good phone, just missing root. Again, thanks. :good:
[Nexus 6P General] XCnathan32:
Try reflashing? That's weird
[Nexus 6P General] rchtk:
The issue has been identified for sure for a long time. It's trivial for such companies if they put just a little effort. They could have signed such images for a long time then.

My phone died after 10 months. 10 months!! As I said in my post that's unacceptable from a QA point of view. And I do know what that means from my profession.

What I wanted to point out is that some users will get disappointed as it does not always work. That doesn't mean the community should stop investigating. Just a warning before the news spreads.
[Nexus 6P General] digweed4me:
it works i thought my battery was very low thats why it didnt boot to twrp now its on 60% it booted to twrp

thanks man good job
[Nexus 6P General] Tivaldi:
So you're saying that the modified boot image actually works better than the stock? So much so that you're getting better performance even?!
[Nexus 6P General] vladtdr:
This is the case for me. But only with purenexus. Stock firmware lagged.
[Nexus 6P General] JRizzo21:
I'm going to try flashing 48B. just so you know, it's been running since last night through today - but whenever i try to do anything with the phone, it starts running EXTREMELY hot
[Nexus 6P General] XCnathan32:
Can your phone boot into TWRP with the modified TWRP? If it can please tell me, as you can pull logs (which can identify the problem) from TWRP.
[Nexus 6P General] XCnathan32:
That's very weird. Nothing I modified should have affected that... If anything it should run cooler because the BIG cores are disabled. Are you Overclocked or running a custom Governor? Also, what are the exact temps on your phone?
[Nexus 6P General] XCnathan32:
Some people have reported same or better performance. I actually bought this phone when it was already broken, so I have no idea if it is faster or slower. AnTuTu CPU scores are slightly slower than a stock 6p, however, I have heard that the BIG cores make the 6P throttle so much, that in 4 or 5 consecutive runs, the stock 6P throttles down to 4 core 6P scores. My 3D scores were also slightly higher than a stock 6P, I would guess this is because without the BIG cores outputting so much heat, the GPU can run cooler.

You should also get better battery life, and the phone should run less hot, that way it won't burn your hands when you hold it.

I won't outright proclaim it's faster because, 1: I don't have a stock 6P to compare to, and 2: If I did say it ran at the same speed/faster, someone would reply with "THiS iS A ScAm!1!! My phone was .01ms slower on (insert benchmark here), do not trust this!!" (slight exaggeration) or something along those lines. What I am saying though, is that at the very least, this fix shouldn't detract from user experience on the phone. I'll leave it up to you to decide whether it's better or worse.

Edit:

What he said here was true for me too, so make sure you flash a custom ROM and EX kernel to get full user experience.
[Nexus 6P General] JRizzo21:
it pops up to 55-58 Celsius even though CPU usage will stay around 15%
[Nexus 6P General] xian2380:
if i want flash another custom rom like pixel dust rom,should i flash 4core boot.img？and which boot.img should i flash.
[Nexus 6P General] XCnathan32:
Try flashing EX kernel over it.
[Nexus 6P General] dnsh89:
Flash kernel request

Hey, can you make a flash kernel with 4 cores .. :o
[Nexus 6P General] kemarthur:
this saved my phone thanks you so much!
[Nexus 6P General] GeRip003:
Works for me! I don't have oem permission at the beginning so I started with the following steps:

-battery is low down 10 %.

-from the bootloader, choosed the recovery mode, wait 20-30 minutes until the phone started properly.(you need to be patient). immediately go to settings->developer option and accept the oem.

-flashed stock android 7.0 from google developer site.

-flashed twrp image.

-in the revovery settings, choose the sideload adb connection.

-Download Elemental X kernel zip and in the command prompt use: adb sideload namethefile.zip

-The twrp started to install Elemental X kernel and now properly works on my phone! :)
[Nexus 6P General] XCnathan32:
Working on it right now...
[Nexus 6P General] Chaosin1983:
Thank you to the OP! this brought my wife's phone back to life! I followed the steps on the XDA front page post (https://www.xda-developers.com/nexus-6p-bootloop-fix/) yesterday to fix the phone.

After doing so, I read the whole 80 pages of this thread and found out about the new updates with performance upgrades... so my question is are the files on the XDA front page post the latest ones? if not, how do I go about installing the latest updates? Should I just repeat the steps but with the files the OP?

-Download Boot.img from stock 48B, 7.1.2 firmware

-Download TWRP version 3.1.1

- Install through fastboot

- Factory Reset in TWRP

- Move Elemental X kernel version 4.12.zip to phone

- Install Through TWRP

I'm just so happy that it's alive again that I am afraid to risk getting it stuck in a bootloop again.

Thanks!