PSA: MRA58N and Verified Boot - Nexus 6 General

Just a heads up that even performing a boot into a custom recovery through fastboot with MRA58N will now fail Verified Boot. I wanted to use android pay so I stayed completely stock in flash with MRA58K. I was able to boot through fastboot TWRP and update my host file. This worked like a charm and everything including android pay seemed to work. I just upgraded to MRA58N, let it optimize with no verified boot failure then through the bootloader booted TWRP, and performed no action but reboot/power off.
I am now getting the Verified Boot message that my device is corrupt. I am continuing to run this way and will test android pay again. If it doesn't work I will need to decide between pay and ads.

For clarity, did you flash a custom recovery, or boot a custom recovery with fastboot? I thought the ability to use the boot option in fastboot was long gone.

artiemon said:
For clarity, did you flash a custom recovery, or boot a custom recovery with fastboot? I thought the ability to use the boot option in fastboot was long gone.
Click to expand...
Click to collapse
Booted through fastboot. fastboot boot openrecovery-twrp-2.8.7.1-shamu.img

1- Clean flash stock rom
2- Go to recovery
3- Wipe data and wipe cache
and clean boot, no failure message.
My English is so bad.
MRA58R is released.
https://dl.google.com/dl/android/aosp/shamu-mra58r-factory-1b87b77e.tgz

Related

Cannot flash TWRP. Stock recovery is persistent

Hi,
In order to update my phone to oxygenOS 2.2. I flashed oxygenOS 2.1.1 full rom and installed the OTA update for 2.2. Because of this the phone switched back to stock recovery. So I tried to install TWRP recovery through fastboot. The installation was successful but after reboot, it looks like the phone is keep switching back to stock recovery. I have tried this many times but same result everytime.
Note1: I did turned on the USB debugging before this.
Note2: Bootloader is unlocked.
Any help would be great. Thanks in advance!!
When TWRP asks you to modify system partition give it permission to do so at the start of booting to recovery
Akhil701 said:
When TWRP asks you to modify system partition give it permission to do so at the start of booting to recovery
Click to expand...
Click to collapse
The problem is that I dont see TWRP even once after flashing it. After flashing when I reboot to recovery, it directly shows me default recovery. When I said its switching back to stock recovery, because the flashing of twrp was successful, I am assuming that it is switching back to stock recovery.
Dreckk said:
The problem is that I dont see TWRP even once after flashing it. After flashing when I reboot to recovery, it directly shows me default recovery. When I said its switching back to stock recovery, because the flashing of twrp was successful, I am assuming that it is switching back to stock recovery.
Click to expand...
Click to collapse
I also experienced this the first time. But I just ran fastboot flash recover openrecover-twrp-2.8.7.0.img one more time and then rebooted the phone and pressed volume down until it entered TWRP.
pitrus- said:
I also experienced this the first time. But I just ran fastboot flash recover openrecover-twrp-2.8.7.0.img one more time and then rebooted the phone and pressed volume down until it entered TWRP.
Click to expand...
Click to collapse
Did that many times, but it keeps getting entering in the default recovery.
What happens when you boot twrp with fastboot instead of flashing?
Also probably shouldn't flash an ota 2 versions different than the full. If that was the full version you already had, should have flashed 2.1.2 ota then the 2.2.0 ota.
I'm having the same issue. I was able to boot into TWRP once from Fastboot, flashed SuperSU it said it was successful, then I rebooted. Root was not available, and stock recovery was back.
Chris_el said:
I'm having the same issue. I was able to boot into TWRP once from Fastboot, flashed SuperSU it said it was successful, then I rebooted. Root was not available, and stock recovery was back.
Click to expand...
Click to collapse
Don't know if will work... but boot to twrp from fastboot then flash twrp from within twrp.
khaos64 said:
Don't know if will work... but boot to twrp from fastboot then flash twrp from within twrp.
Click to expand...
Click to collapse
Hmm i'll give that a shot when I get home from work. Thanks.
Chris_el said:
Hmm i'll give that a shot when I get home from work. Thanks.
Click to expand...
Click to collapse
fastboot boot /path/to/twrp
then Swipe to allow modifications!
Yash98 said:
fastboot boot /path/to/twrp
then Swipe to allow modifications!
Click to expand...
Click to collapse
I get the error "FAILED remote: dtb not found'

Lost recovery, cant boot, only fastboot

Guys... when i tried to flash oos 3.0 on my op2 through twrp, i first wiped the data to install new rom, then install oos 3.0, it failed. I then flashed the recovery i downloaded from the thread, then restart the recovery
I cant boot into the recovery.
System can't boot
Is it called "brick"?
So i tried to flash stock recovery in pc by command, but it says "remote: device is locked. cannot flash images". any solution to this problem?
I can boot into fastboot mode
You need to run the phone in Qualcomm mode on a PC and run the recovery tool to fix you bootloader.
I did the same and it was a royal ball ache trying to find out how to fix it
Don't do what rosswaa said
Why not?
What you should do is boot your phone into fastboot mode, connect it to your pc. Flash this modified TWRP recovery img to your phone https://www.androidfilehost.com/?fid=24459283995297945. After that you have to flash this modified SuperSU (through the new recovery) https://www.androidfilehost.com/?fid=24459283995297946.
The normal recovery doesn't work in OOS 3.0 (just like in HOS) and it's the SuperSU that gives you the soft brick. A dirty flash of the modified SuperSU should fix it.
I also had your problem and I did what rosswaa said which shouldn't be necessary (I lost all my data and backups).
I didn't lose anything, but I tried doing what you said and my bootloader was screwed so wouldn't take a flashed recovery or anything (yes the modified one)
Wish I hadnt been so excited and just flashed but all sorted now
Hmm okay, if it doesn't work with flashing the new recovery img then do what rosswaa said and after that follow this post https://forums.oneplus.net/threads/installation-instructions-faqs-oxygenos-3-0-0.439108/
Obviously try what green says first, if it works then happy days
first i am really glad that someone give some advices on me. But since i am a noob, how can i flash twrp in fastboot mode? using command? "fastboot flash recovery xxx.img"? thx
SPiCa39's said:
Guys... when i tried to flash oos 3.0 on my op2 through twrp, i first wiped the data to install new rom, then install oos 3.0, it failed. I then flashed the recovery i downloaded from the thread, then restart the recovery
I cant boot into the recovery.
System can't boot
Is it called "brick"?
So i tried to flash stock recovery in pc by command, but it says "remote: device is locked. cannot flash images". any solution to this problem?
I can boot into fastboot mode
Click to expand...
Click to collapse
1 Install official TWRP 3.x via fastboot twrp.me/devices/oneplustwo.html
Reboot to recovery
2 install this modified version of TWRP
forum.xda-developers.com/oneplus-2/development/recovery-teamwin-recovery-project-3-0-0-t3310713
Reboot to recovery
3 install oos3 (And supersu)
Sorry i can't post link

Help help help with a hard bricked 6P

Hello guys,
I had my phone rooted with latest twrp. I flashed stock+ rom with Franco Kernel 25r and the A.R.I.S.E file for better sound. I've done the same set up minus the ARISE file and never had an issue.
well to my luck it kept bootlooping and I wasn't able to get back into my custom recovery. When I got home and got my hands on a pc I did a factory reset by manually flashing stock google img . I even used a couple tools since I ran out of ideas and still no luck.
I'm able to do anything through fastboot but I can't seem to get into my recovery at all.
Any ideas or tips of where I should go next?
Not a Hardbrick
As long as you can get to the bootloader mode, you haven't hard bricked your device. Hardbricking is a point where you cant boot your device and in to bootloader so there is no way to flash your device to a useable state.
Now as you can boot to the bootloader, just fastboot boot twrp.img and if you have a factory image zip, copy it in your device internal storage and flash it. Its that simple, provided you are already using an unencrypted boot.img in your current setup. Or else the next step is to flash an decrypted boot.img(you will loose all your userdata and internal storage data.). There are ways to mount the the encrypted filesystem if you are using a pin or password combo with your fingerprint. But without it its a bit more trickier so just for ease and if you dont have any inseparable data in your device now just flash a decrypted boot.img and then you can easily mount your internal storage to your pc and copy the factory image and the rest you already know..
At this point, I'd recommend a full reset.
Flash all the images in the latest Android M factory image (don't flash DP5 or similar N based ROMs): Recovery, Boot, System, Bootloader, Radio, everything.
Once you get stabilized and back into a working phone, then start rooting and messing around with kernels and what not.
To be completely honest, I've flashed nearly every ROM for the 6p, as well as my other Nexus devices, Galaxy phones, Sony phones, and no-name brands and none of those ultra modified kernels did any noticeable change. I tried the F2FS, NTFS, etc file system changes, tweaks to the governors and IO's, all of that, and found the stock kernel was the best. If a kernel with a different IO Scheduler worked even 10% better than the current implementation, and was just as stable, don't you think the Google/Android Engineers would've pushed that to live?
Currently running Pure Nexus July 23rd Update, everything stock that comes with it, Systemless Root/XPosed, and Viper4Android and have never had a performance or stability issue. I'd recommend you do the same.
leninmon said:
As long as you can get to the bootloader mode, you haven't hard bricked your device. Hardbricking is a point where you cant boot your device and in to bootloader so there is no way to flash your device to a useable state.
Now as you can boot to the bootloader, just fastboot boot twrp.img and if you have a factory image zip, copy it in your device internal storage and flash it. Its that simple, provided you are already using an unencrypted boot.img in your current setup. Or else the next step is to flash an decrypted boot.img(you will loose all your userdata and internal storage data.). There are ways to mount the the encrypted filesystem if you are using a pin or password combo with your fingerprint. But without it its a bit more trickier so just for ease and if you dont have any inseparable data in your device now just flash a decrypted boot.img and then you can easily mount your internal storage to your pc and copy the factory image and the rest you already know..
Click to expand...
Click to collapse
First of all thank you for the response.
I've tried flashing the most current twrp and it seems to go through fine on fast boot but when I actually try to get into recovery from the device it will boot loop and just keep doing that.
How can I get into the phones storage through fastboot?
Where can I get the factory zip?
it feels as if everything seems to go good through fastboot but when I actually try to boot the phone nothing seems to work.
Wiltron said:
At this point, I'd recommend a full reset.
Flash all the images in the latest Android M factory image (don't flash DP5 or similar N based ROMs): Recovery, Boot, System, Bootloader, Radio, everything.
Once you get stabilized and back into a working phone, then start rooting and messing around with kernels and what not.
To be completely honest, I've flashed nearly every ROM for the 6p, as well as my other Nexus devices, Galaxy phones, Sony phones, and no-name brands and none of those ultra modified kernels did any noticeable change. I tried the F2FS, NTFS, etc file system changes, tweaks to the governors and IO's, all of that, and found the stock kernel was the best. If a kernel with a different IO Scheduler worked even 10% better than the current implementation, and was just as stable, don't you think the Google/Android Engineers would've pushed that to live?
Currently running Pure Nexus July 23rd Update, everything stock that comes with it, Systemless Root/XPosed, and Viper4Android and have never had a performance or stability issue. I'd recommend you do the same.
Click to expand...
Click to collapse
Thanks for the reply.
I've done the manual flashing already and flashed everything single item the most current factory image. Everything seemed to have gone through okay but when I rebooted the phone it was back to 0.
I'm actually considering getting rid of the phone now since it is my daily =/
Format each partition before flashing.
fastboot format <partition>
wait until it's done, then
fastboot flash <partition> <image>
Some partitions can't be formatted, which there are ways around, but try this first.
Just get to bootloader mode and try booting the twrp.img
fastboot boot twrp.img
From the twrp ui, go to advanced wipe and format your storage.
To mount the internal storage on your PC, enable mtp from twrp screen.
If U are using a decrypted boot.img, it will easily mount ur internal storage. Or try flashing a decrypted boot.img
fastboot flash boot boot.img
Then try the above again..
leninmon said:
Just get to bootloader mode and try booting the twrp.img
fastboot boot twrp.img
From the twrp ui, go to advanced wipe and format your storage.
To mount the internal storage on your PC, enable mtp from twrp screen.
If U are using a decrypted boot.img, it will easily mount ur internal storage. Or try flashing a decrypted boot.img
fastboot flash boot boot.img
Then try the above again..
Click to expand...
Click to collapse
I flashed the twrp.img and it went through successfully at least on the computer it did but when the phone actually tries to get into recovery (twrp) it will start to boot loop and keep on doing that. I tried both an encrypted and decrypted boot img but it still made no difference.
I'm really going crazy over this
Wiltron said:
Format each partition before flashing.
fastboot format <partition>
wait until it's done, then
fastboot flash <partition> <image>
Some partitions can't be formatted, which there are ways around, but try this first.
Click to expand...
Click to collapse
I just tried this and had no luck =/....the phone wont get past the google boot screen
You need to explain more on what you actually tried here.
Just download the latest factory image and try to flash the latest bootloader using fastboot.
Then boot to the bootloader and try formating the device. Not wiping
Then you have to
fastboot boot twrp.img
I believe you have only tried wiping not formating. I faced similar issue before. But once I flashed a decrypted boot.img, it cleared the user data and then I was able to get to twrp.
Maybe your twrp img is corrupted if this didn't work.
leninmon said:
You need to explain more on what you actually tried here.
Just download the latest factory image and try to flash the latest bootloader using fastboot.
Then boot to the bootloader and try formating the device. Not wiping
Then you have to
fastboot boot twrp.img
I believe you have only tried wiping not formating. I faced similar issue before. But once I flashed a decrypted boot.img, it cleared the user data and then I was able to get to twrp.
Maybe your twrp img is corrupted if this didn't work.
Click to expand...
Click to collapse
i just flashed the latest bootloader from the most recent factory image and i did the command format user data and then tried the fastboot boot twrp and the phone will then try to get into recovery, the google logo comes up lasts a couple seconds and boot loops all over to where is says my phone cant be check for corruption
By now i should have been able to get into recovery and it wont go through
edgarted said:
i just flashed the latest bootloader from the most recent factory image and i did the command format user data and then tried the fastboot boot twrp and the phone will then try to get into recovery, the google logo comes up lasts a couple seconds and boot loops all over to where is says my phone cant be check for corruption
By now i should have been able to get into recovery and it wont go through
Click to expand...
Click to collapse
download a factory image and run the flash all file...... it should reboot your phone after 5 minutes and the issue should be resolved.. a hard brick would be a device that does nothing.... in this case i believe that you just didnt do something right.
Then download the latest factory image and extract it
fastboot flash radio.img
fastboot flash bootloader.img
& do a fastboot update the rest archive file as it is
This will flash the rom via fastboot& U don't have to rely on TWRP or CWM
i42o said:
download a factory image and run the flash all file...... it should reboot your phone after 5 minutes and the issue should be resolved.. a hard brick would be a device that does nothing.... in this case i believe that you just didnt do something right.
Click to expand...
Click to collapse
I was really really hoping this would help. I erase/formated everything before flashing anything. I then ran the flash-all file and it took a couple of minutes and it said finished on the command box and my phone restarted and went into the white google logo and rebooted again with a bootloop. I waited around 15 minutes hoping it would start but it didn't.
It honestly feels as if the phone is not processing the full commands but on the pc it seems to go through successfully
is there a way to force an install of a rom and see if maybe a dirty flash over the stock one will allow it to start up?
leninmon said:
Then download the latest factory image and extract it
fastboot flash radio.img
fastboot flash bootloader.img
& do a fastboot update the rest archive file as it is
This will flash the rom via fastboot& U don't have to rely on TWRP or CWM
Click to expand...
Click to collapse
i know how to flash the radio and bootloader but how do i do a fastboot update?
edgarted said:
i know how to flash the radio and bootloader but how do i do a fastboot update?
Click to expand...
Click to collapse
Just unzip the factory image and there U can see the flash shell script files too. Open them in a text editor & U could see the exact command. In a factory img, they also do the same thing via script files. Flashing the radio & bootloader & updating the rest archive
so this is what I've done
I've manually flashed every file needed for the factory image from google.
I also tried wugfresh tool kit which is great but didn't help me much. I flashed stock recovery and treid to boot into to and nothing. I flashed a customer recovery and nothing.
It always does the same thing
the screen that says my phone can't be checked for corruption and then the google sign comes up stays on for a couple seconds and then it bootloops to the can't be checked for corruption.
I try to get into recovery using fastboot commands and the phone does the same exact thing.
I was even able to lock and relock the bootloader and I was able to successfully flash everything at least that is what it showed on the computer
so ive read almost every thread that had to do with bricking and I feel like an expert now but im starting to think it is done =/
edgarted said:
so this is what I've done
I've manually flashed every file needed for the factory image from google.
I also tried wugfresh tool kit which is great but didn't help me much. I flashed stock recovery and treid to boot into to and nothing. I flashed a customer recovery and nothing.
It always does the same thing
the screen that says my phone can't be checked for corruption and then the google sign comes up stays on for a couple seconds and then it bootloops to the can't be checked for corruption.
I try to get into recovery using fastboot commands and the phone does the same exact thing.
I was even able to lock and relock the bootloader and I was able to successfully flash everything at least that is what it showed on the computer
so ive read almost every thread that had to do with bricking and I feel like an expert now but im starting to think it is done =/
Click to expand...
Click to collapse
Hey there. First off make sure to unlock again your bootloader. Then you may follow post # 10 of @Heisenberg 's flashing guide for our device.
First images to flash would be bootloader and radio. First flash bootloader, then make sure to issue the command adb reboot-bootloader. Then afterwards once the phone has rebooted back to bootloader, flash radio, then again do the adb reboot-bootloader again.
Once the phone is again back to bootloader flash the rest of the images except userdata. For the boot.img and recovery.img, flash the stock ones-don't use the decrypted boot.img and don't flash the twrp.img yet. Once all necessary images have been flashed issue the reboot-booloater command one more time, then on the bootloader screen choose the reboot option. Wait anywhere from 3-10 minutes for the phone to load. Let us know how it goes for you.
blitzkriegger said:
Hey there. First off make sure to unlock again your bootloader. Then you may follow post # 10 of @Heisenberg 's flashing guide for our device.
First images to flash would be bootloader and radio. First flash bootloader, then make sure to issue the command adb reboot-bootloader. Then afterwards once the phone has rebooted back to bootloader, flash radio, then again do the adb reboot-bootloader again.
Once the phone is again back to bootloader flash the rest of the images except userdata. For the boot.img and recovery.img, flash the stock ones-don't use the decrypted boot.img and don't flash the twrp.img yet. Once all necessary images have been flashed issue the reboot-booloater command one more time, then on the bootloader screen choose the reboot option. Wait anywhere from 3-10 minutes for the phone to load. Let us know how it goes for you.
Click to expand...
Click to collapse
Hello and thank you for helping.
I tried this method a couple of minutes ago. I flashed them this same way
fastboot flash bootloader C:\angler\images\bootloader-angler-angler-xx.xx.img
fastboot reboot-bootloader
fastboot flash radio C:\angler\images\radio-angler-angler-xx.xx.img
fastboot reboot-bootloader
fastboot flash boot C:\angler\images\boot.img
fastboot erase cache
fastboot flash cache C:\angler\images\cache.img
fastboot flash recovery C:\angler\images\recovery.img
fastboot flash system C:\angler\images\system.img
fastboot flash vendor C:\angler\images\vendor.img
It does the same exact thing it will try and restart the phone, the message that says it can't be checked for corruption the google logo comes up and it repeats it self non stop.
This is what doesn't make sense to me.
This is the file that I had flashed through twrp when it was working fine
Leviticus 1.3 - http://forum.xda-developers.com/android/software/r-s-e-sound-systems-auditory-research-t3379709
edgarted said:
Hello and thank you for helping.
I tried this method a couple of minutes ago. I flashed them this same way
fastboot flash bootloader C:\angler\images\bootloader-angler-angler-xx.xx.img
fastboot reboot-bootloader
fastboot flash radio C:\angler\images\radio-angler-angler-xx.xx.img
fastboot reboot-bootloader
fastboot flash boot C:\angler\images\boot.img
fastboot erase cache
fastboot flash cache C:\angler\images\cache.img
fastboot flash recovery C:\angler\images\recovery.img
fastboot flash system C:\angler\images\system.img
fastboot flash vendor C:\angler\images\vendor.img
It does the same exact thing it will try and restart the phone, the message that says it can't be checked for corruption the google logo comes up and it repeats it self non stop.
This is what doesn't make sense to me.
This is the file that I had flashed through twrp when it was working fine
Leviticus 1.3 - http://forum.xda-developers.com/android/software/r-s-e-sound-systems-auditory-research-t3379709
Click to expand...
Click to collapse
This is weird. What version of the stock factory images did you flash? I've been using leviticus 1.3 since it came out and when i was still on stock rom. I switched over to cm builds and have been flashing every nightly since the 7/24th build, and in the process repeatesly reflashing the aound mod along, and i've had zero issues with the phone booting afterwards.

Hard/soft brick

I think I messed up my PH-1 something royally.
All I was trying to do is unlock my bootloader and load Magisk.
To preface this, my PH-1 seemed to act a little wonky from the get-go. I bought it 3rd person from a guy on craigslist so anything warranty involved I think I'm out of luck.
The phone would take a while to power on, it took something like 10secs on the power button just to turn it on. And if I set it to reboot , it boots into the bootloader. Also, I was never able to access the recovery (even using power + up). It always felt like I had to hold the buttons for way to long to get to its destination; e.g. up and power to get into fastboot.
Ok where I'm at now. In can occasionally get into fastboot mostly after it bootlooping a few times. It won't get past the Essential logo if I try to boot it up.
PS I was able to unlock the bootloader.
Steps I took to remedy this:
> erase all user data in fastboot
> hold power + u + d to hard power off
> follow this guide https://forum.xda-developers.com/essential-phone/how-to/guide-rooting-essential-ph-1-magisk-t3701976
> attempt to install stock system image via flash-all
>a ton other
Here are the results of that.
https://imgur.com/a/iVwwS
Help me guys please. :crying:
A little progress, I was unable to unlock_critical but its still hanging here
https://imgur.com/a/IdZum
jAm-0 said:
I think I messed up my PH-1 something royally.
All I was trying to do is unlock my bootloader and load Magisk.
To preface this, my PH-1 seemed to act a little wonky from the get-go. I bought it 3rd person from a guy on craigslist so anything warranty involved I think I'm out of luck.
The phone would take a while to power on, it took something like 10secs on the power button just to turn it on. And if I set it to reboot , it boots into the bootloader. Also, I was never able to access the recovery (even using power + up). It always felt like I had to hold the buttons for way to long to get to its destination; e.g. up and power to get into fastboot.
Ok where I'm at now. In can occasionally get into fastboot mostly after it bootlooping a few times. It won't get past the Essential logo if I try to boot it up.
PS I was able to unlock the bootloader.
Steps I took to remedy this:
> erase all user data in fastboot
> hold power + u + d to hard power off
> follow this guide https://forum.xda-developers.com/essential-phone/how-to/guide-rooting-essential-ph-1-magisk-t3701976
> attempt to install stock system image via flash-all
>a ton other
Here are the results of that.
https://imgur.com/a/iVwwS
Help me guys please. :crying:
Click to expand...
Click to collapse
read through this and follow the steps should be good to go.
https://forum.xda-developers.com/essential-phone/development/stock-7-1-1-nmj20d-t3701681
This is also very helpful
https://mata.readthedocs.io/en/latest/
That's the exact process I was going through, and it finally booted up.
The issue I was having was a bad usb connection which wouldn't allow me to unlock_critical.
SOLVED. Still no Magisk, we'll worry about that another time. 5hrs of troubleshooting is enough for one night.
https://imgur.com/a/ZiBzp
SO close to getting Magisk to install, any reason the refuses to flash the boot partition? I used the stock boot.img and had Magisk patch it before I flashed
SO close to getting Magisk to install, any reason the refuses to flash the boot partition? I used the stock boot.img and had Magisk patch it before I flashed
jAm-0 said:
SO close to getting Magisk to install, any reason the refuses to flash the boot partition? I used the stock boot.img and had Magisk patch it before I flashed
Click to expand...
Click to collapse
You have to flash magisk in twrp recovery NOT bootloader mode.
It's right in the OP from the rooting guide you followed:
Do not set up a password if you are on 8.1 twrp doesn't work.
You need to read through that rooting guide and make sure you know what you're doing before you try.
This phone is easy to hard brick and there is no solution to recover from that.
OREO 8.0/8.1
REQUIREMENTS:
An unlocked bootloader.
A working ADB/Fastboot environment on your computer. Knowledge on how ADB and Fastboot works is also preferred.
The stock boot image for whatever build you're running/trying to root.
The latest TWRP build for our device.
If on 8.1, remove your pin/pattern/passcode until the root process is done.
1. Download both the stock boot image for whatever build you're running and the Magisk or SuperSU zip. Transfer both files to your device's internal storage.
2. Reboot your phone into the bootloader, then open up your command prompt or terminal and flash the latest TWRP build for the device using:
Code:
fastboot flash boot twrp.img
3. Once TWRP has finished flashing, reboot into your recovery. When prompted, enter your pattern/passcode/password to decrypt your data in order to gain access to your internal storage.
4. Once you're in TWRP, install the stock boot image and then the Magisk/SuperSU zip.
5. Whenever Magisk/SuperSU finishes installing, simply reboot your device! You should now be rooted.
*NOTE: TWRP will NOT remain installed on your device.
wolfu11 said:
You have to flash magisk in twrp recovery NOT bootloader mode.
It's right in the OP from the rooting guide you followed:
Do not set up a password if you are on 8.1 twrp doesn't work.
You need to read through that rooting guide and make sure you know what you're doing before you try.
This phone is easy to hard brick and there is no solution to recover from that.
OREO 8.0/8.1
REQUIREMENTS:
An unlocked bootloader.
A working ADB/Fastboot environment on your computer. Knowledge on how ADB and Fastboot works is also preferred.
The stock boot image for whatever build you're running/trying to root.
The latest TWRP build for our device.
If on 8.1, remove your pin/pattern/passcode until the root process is done.
1. Download both the stock boot image for whatever build you're running and the Magisk or SuperSU zip. Transfer both files to your device's internal storage.
2. Reboot your phone into the bootloader, then open up your command prompt or terminal and flash the latest TWRP build for the device using:
Code:
fastboot flash boot twrp.img
3. Once TWRP has finished flashing, reboot into your recovery. When prompted, enter your pattern/passcode/password to decrypt your data in order to gain access to your internal storage.
4. Once you're in TWRP, install the stock boot image and then the Magisk/SuperSU zip.
5. Whenever Magisk/SuperSU finishes installing, simply reboot your device! You should now be rooted.
*NOTE: TWRP will NOT remain installed on your device.
Click to expand...
Click to collapse
I realize all that, the issue is I cannot access any sort of recovery because I think my bootloader is defective.
For example from a cold restart if I press the power button for say 3 -5 seconds it wont boot, just boot to the Essential logo and loop. To get the phone to boot I have to hold the power down for 15-20 seconds while it bootloops a couple times then it'll boot.
Is there a possible way to reflash the bootloader software if it is defective? It's unlocked btw
There is a way to install magisk via fastboot with a patched_boot img which I'm working on. Cant seem to find the right boot img to patch for 8.1
PS Is it possible to flash .zips through fastboot? e.g. custom roms etc
Was finally able to get into recovery, so all is well. Thanks for the help yall
OP, what was your process to successfully get into recovery and fix your problems?
It may help others sometime?
gimpy1 said:
OP, what was your process to successfully get into recovery and fix your problems?
It may help others sometime?
Click to expand...
Click to collapse
It's really hard to say, my phone has a serious problem with it. sometimes I cant get it to boot, it will boot into the bootloader over and over and over. I've managed to get Lineage 15.1 on if for a bit until I tried to get back into the recovery which sent it manic.
I just got lucky I was able to get into TWRP and flash lineage.
my first issue not being able to flash the stock image via fastboot because I didn't unlock_critical which can sometimes fail when the usb connection is bad.
Currently flashing stock again if my phone will boot up. I'm not sure whats wrong with my bootloader but its causing a ton of havoc
My essential phone stuck in boot logo,bootloader work but recovery doesn´t work
Bootloader locked.
Oem unlocking disable.
Usb debugging disable.
How to flash stock recovery or twrp on bootloader locked ? please
Thank you!
katastyle971 said:
My essential phone stuck in boot logo,bootloader work but recovery doesn´t work
Bootloader locked.
Oem unlocking disable.
Usb debugging disable.
How to flash stock recovery or twrp on bootloader locked ? please
Thank you!
Click to expand...
Click to collapse
Same boat for me - just keep rebooting to show Powered by Android Screen and then reboot again and again. Was able to see my device using fastboot devices command but all attempts to access recory just repeat the bootloop entry. I would happily check the OEM UNLOCK option in dev settings but can't even get it to book to any OS to make that option happen. Still shows bootloader locked on bootloader screen - any help someone can suggest?
I had this problem tonight also. In my case I suspect it had to do with the install of magisk in which I checked both boxes and patched the bootloader. on reboot I was stuck on boot. Just wanted to add my solution. I got the pie back to stock zip here https://forum.xda-developers.com/essential-phone/development/stock-7-1-1-nmj20d-t3701681 then I put it into the adb folder and ran the flashall.bat script. I tried the no wipe one and it saved my information. very happy I didnt have to resetup my phone in the end.
katastyle971 said:
My essential phone stuck in boot logo,bootloader work but recovery doesn´t work
Bootloader locked.
Oem unlocking disable.
Usb debugging disable.
How to flash stock recovery or twrp on bootloader locked ? please
Thank you!
Click to expand...
Click to collapse
I am in the same boat. I tried to re-install the OS, but because my USB debugging was not enabled, Fastboot worked but ADB would not and since I basically wiped the recovery area, my phone will only boot into Fastboot but will not allow any loading of recovery. I would pay for someone to help. This is so hard to figure out. I have contacted Essential but since my phone is over 12 months old, the warranty has expired.
Help please. It seems like such a waste to have a bricked phone.

re-installing stock recovery on Nexus 6P

I installed TWRP custom recovery on my Nexus 6P. I was able to boot into it ONCE. When i next tried to enter Recovery, i get a screen showing the Android Robot and the following statement: NO COMMAND
I tried to re-install TWRP using adb twice, but the result is the same.
How can i either fix TWRP, or re-install the stock recovery
I am basically a beginner here, so any help would be appreciated
If you installed the stock system image and then booted into it, it likely automatically reinstalled stock recovery also. I don't know why it does that, but it does. This is why I usually just reinstall TWRP again after each monthly update is completed.
You should use fastboot to install the images, not adb. The command should look like:
fastboot flash recovery twrp.img
I think i just worded it wrong - I used the above command (fastboot flash recovery twrp.img) to install twrp, and then, when i couldn't get back into recovery (Power - Volume Up combo just lest to screen that stated "No Command".), i used the fastboot flash recovery twrp.imp twice to try to re-install TWRP, but it didn't work
I also downloaded the latest stock Oreo ROM, copied the recovery.img file, and used fastboot.flash.recovery.img to try to re-install the stock recovery, but that didn't work either
The once time that TWRP work, it asked it I wanted to use TWRP is read only, to twice i selected NO (don't know if this matters)
Any other suggestions to fix TWPR, or re-install the stock recovery image???
When you say it didn't work, can you expand on that? Was there an error or anything?
hmodiano said:
I think i just worded it wrong - I used the above command (fastboot flash recovery twrp.img) to install twrp, and then, when i couldn't get back into recovery (Power - Volume Up combo just lest to screen that stated "No Command".), i used the fastboot flash recovery twrp.imp twice to try to re-install TWRP, but it didn't work
I also downloaded the latest stock Oreo ROM, copied the recovery.img file, and used fastboot.flash.recovery.img to try to re-install the stock recovery, but that didn't work either
The once time that TWRP work, it asked it I wanted to use TWRP is read only, to twice i selected NO (don't know if this matters)
Any other suggestions to fix TWPR, or re-install the stock recovery image???
Click to expand...
Click to collapse
If you want TWRP to stick, you need to flash either SuperSU or magisk. The Android with the exclamation mark is what stock recovery looks like.
Once you have TWRP installed and wish to keep it, you don't need to flash stock recovery in the monthly update. Just boot into TWRP after flashing update and root again.
chaoticyeshua said:
When you say it didn't work, can you expand on that? Was there an error or anything?
Click to expand...
Click to collapse
When the phone is turned on, it never progresses beyond the first screen. No error codes, it just does not proceed to boot up.
I had to buy a new phone (need it for business, but i given up on trying to install Resurrection Remix on the Nexus 6P, which was the reason I was trying to install TWPR and SuperSU. So far, I have only accomplished turning the phone into a brick door stop!!!
hmodiano said:
When the phone is turned on, it never progresses beyond the first screen. No error codes, it just does not proceed to boot up.
I had to buy a new phone (need it for business, but i given up on trying to install Resurrection Remix on the Nexus 6P, which was the reason I was trying to install TWPR and SuperSU. So far, I have only accomplished turning the phone into a brick door stop!!!
Click to expand...
Click to collapse
Use Magisk it's the better solution for root. Never had boot up issues with it just stock you have to boot once through before flashing. Custom ROMs you can flash right away.

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