Database Users

[FIX] fix hard brick / qhsub_bulk after bad flash / cm12 flash from 5.1

First of all:Remember:im just making a thread, all of this wasn´t possible if not for @ccfries(He works at motorola, and sent the files to shamu´s device tree repo)
and @Casper34
See: http://forum.xda-developers.com/showpost.php?p=59562745&postcount=9 and https://android-review.googlesource.com/#/c/143010/
Requirements:
Motorola Drivers:
http://storage.googleapis.com/tetheredupgrades/MotorolaDeviceManager_2.5.4.exe
Qualcomm Drivers:
http://forum.xda-developers.com/attachment.php?attachmentid=631288&d=1308601930
Optional: If having issues use:
http://forum.xda-developers.com/showthread.php?t=2263822
Unbrick Stuff:
https://www.dropbox.com/s/8783ohne2mufiwc/Nexus6Unbrick.rar?dl=0
or
https://drive.google.com/file/d/0BwduAK2l37Oaa1BQZncwaEpNb1E/view?usp=sharing
Factory Images for Nexus 6(needs to be 5.1)
https://dl.google.com/dl/android/aosp/shamu-lmy47d-factory-6c44d402.tgz
or via RSD Lite
http://motofirmware.center/files/file/1069-shamu-lmy47e-release-keys-subsidy-default-cfcxmlzip/
FASTBOOT AND ADB NEEDS TO BE ALREADY SETTED UP
Pre Requirements:
- Disable driver signature checking
Windows 7:
https://www.youtube.com/watch?v=k4RwaI4mn6Y
Windows 8:
https://learn.sparkfun.com/tutorial...abling-signed-driver-enforcement-on-windows-8
Windows 8.1:
http://www.howtogeek.com/167723/how...8.1-so-that-you-can-install-unsigned-drivers/
- Install the drivers:
Go to device manager, Unknown devices, double click qhusb_bulk, install driver, select location and select where you extracted the drivers.
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"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
- Next you should extract both zip files (Unbrick and factory images)
- Then Connect your nexus 6 on your computer (now should appear as Qualcomm HS-USB QD-Loader 9008 under "COM PORTS"):
- Open the Unbrick folder and run blank-flash.bat:
- Flash Stock factory images: (Problems see #2)
Your phone should show up on the computer as fastboot.Just flash stock factory images. (Motorola via "RSD Lite" or Google one should do the trick).
Thanks:
@ccfries(HUGE Thanks to him, turns out he is the one who made the commit with the necessary files, props to him!)
@Casper34 (Huge help with his working nexus 6)
@bitdomo (helped me a lot, and i got some images from another thread of his)

Problems that may occur during or after:
Stuck at waiting for device
Check if drivers are installed correctly and restart pc
Check if you have an updated fastboot
THESE TWO ARE THE MAIN REASON OF PROBLEMS (mostly outdated fastboot)
-Drivers
http://forum.xda-developers.com/showthread.php?t=2263822
http://storage.googleapis.com/tetheredupgrades/MotorolaDeviceManager_2.5.4.exe
Fastboot:
http://forum.xda-developers.com/showthread.php?t=2317790
Problems while flashing factory images:
ccfries said:
First, fastboot flash partition gpt.bin
Then flash the other images.
If you just bricked by downgrading bootloader, the persist and modem calibration should still be happily where it was when you started.
This won't help you if you're stuck with Allow OEM Unlock. Be careful locking on 5.1. There's accurate information elsewhere in the forum on that.
-Chris
Click to expand...
Click to collapse
PS:
ccfries said:
If you lock, it clears the setting by design, so you can't lock and unlock without booting up and checking the box.
Click to expand...
Click to collapse
Wifi / Bluetooh dosen´t work:
See http://forum.xda-developers.com/showpost.php?p=59561966&postcount=3
No IMEI / No Signal
Restore EFS Backup

If wifi/bt/camera dosen´t work Then probably your /persist got somehow corrupted. (Post Under construction)
For a fix:
Flash a custom recovery, and open a terminal with the phone booted to it
run
umount /persist
mkdir /persist
mount /dev/block/platform/msm_sdcc.1/by-name/persist /persist
#e2fsck /dev/block/platform/msm_sdcc.1/by-name/persist
you will be propmpted to check / repair errors, keep pressing enter for each that it appears
then run
umount /perist
and reboot phone

Wow! Very nice. I bet you just saved some poor guys from getting yelled at from wifey. Good job and thanks for helping the community. :highfive:

wow indeed!

jayharper08 said:
Wow! Very nice. I bet you just saved some poor guys from getting yelled at from wifey. Good job and thanks for helping the community. :highfive:
Click to expand...
Click to collapse
simms22 said:
wow indeed!
Click to expand...
Click to collapse
Thanks to both, thankfully cm already merged a check for the bootloader, but i hope this can fix phones that are already bricked for people who cant use warranty (outside area, on a trip, etc).
Oh yeah, or in the case of my friend, his mom

This needs stickied
Sent from my Nexus 6 using XDA Free mobile app

@opssemnik
No worries, glad to help out!
Sent from my Nexus 6

opssemnik said:
@ccfries(Huge thanks for him, for finding an un merged commit that had the partition layout)!.
Click to expand...
Click to collapse
I authored the commit this afternoon so finding it was pretty easy. :good:

ccfries said:
I authored the commit this afternoon so finding it was pretty easy. :good:
Click to expand...
Click to collapse
Oh no wait, I DIDN´T SEE THE AUTHOR LOL.
may i ask was it hard for you to get the permission to post? afaik these files are proprietary (aside from the paritition table) or aren´t they?.
also can i ask you something a bit more offtopic?
i noticied the nexus 6 works directly with QPST (at least it can communicate with it)
but some other devices (like the nexus 5) can´t, its something that qualcomm or the manufacturer decide / make?
Once again ,props to you and motorola!
Never thought of an oem doing that, even more that the bricks can only be achieved when messing with things you shouldnt be :good::good::good:

Erm, don't mind me asking one question.
How do you back up your efs if your phone is bricked?

So I thought I would rid myself of no Xposed or CM12 on 5.1 (LMY47D) by going back to 5.0.1 and flashing CM12 again from an older nightly I had downloaded already....I think we all know what happened.
I managed to get through it all and have the blank-flash boot loader screen up but I get hung up on <waiting for device> when trying to flash factory image (LMY45D). The boot loader shows as locked and as a result I am unable to flash a factory image. Hopefully I am not breaking any rules or anything by posting this here but this is the error I am getting when running the flash-all.sh:
target reported max download size of 536870912 bytes
sending 'bootloader' (3807 KB)...
OKAY [ 0.131s]
writing 'bootloader'...
(bootloader) Motoboot: Unknown partition name
(bootloader) Preflash validation failed
FAILED (remote failure)
finished. total time: 0.181s
rebooting into bootloader...
OKAY [ 0.001s]
finished. total time: 0.001s
target reported max download size of 536870912 bytes
sending 'radio' (85422 KB)...
OKAY [ 2.769s]
writing 'radio'...
(bootloader) Motoboot: Unknown partition name
(bootloader) Preflash validation failed
FAILED (remote failure)
finished. total time: 2.772s
rebooting into bootloader...
OKAY [ 0.001s]
finished. total time: 0.001s
target reported max download size of 536870912 bytes
archive does not contain 'boot.sig'
archive does not contain 'recovery.sig'
fastboot(665,0xa03911d4) malloc: *** mach_vm_map(size=1779851264) failed (error code=3)
*** error: can't allocate region
*** set a breakpoint in malloc_error_break to debug
failed to allocate 1778070480 bytes
error: update package missing system.img​
and when I try to run em unlock:
fastboot oem unlock
...
(bootloader) Check 'Allow OEM Unlock' in Developer Options.
FAILED (remote failure)
finished. total time: 0.002s​

Looks good. Does this only help the CM12 people or does it override the "enable OEM Unlock" people too?

serdaj said:
(bootloader) Motoboot: Unknown partition name
(bootloader) Preflash validation failed
Click to expand...
Click to collapse
First, fastboot flash partition gpt.bin
Then, fastboot reboot-bootloader
Then flash the other images.
If you just bricked by downgrading bootloader, the persist and modem calibration should still be happily where it was when you started.
This won't help you if you're stuck with Allow OEM Unlock. Be careful locking on 5.1. There's accurate information elsewhere in the forum on that.
-Chris

Damn, wish this was on here last week. Had to send my N6 off to repair centre for this as I thought it was a gonner. Fault diagnosed as 'Electrical issue - Replacement required'. Replacement is coming tomorrow hopefully. Will bookmark this, thanks.

Delboyd12 said:
Damn, wish this was on here last week. Had to send my N6 off to repair centre for this as I thought it was a gonner. Fault diagnosed as 'Electrical issue - Replacement required'. Replacement is coming tomorrow hopefully. Will bookmark this, thanks.
Click to expand...
Click to collapse
That was when he started this.... After many bricks. I know a lot of people RMAed their phones, but this can still help others!

ccfries said:
This won't help you if you're stuck with Allow OEM Unlock. Be careful locking on 5.1.
Click to expand...
Click to collapse
It would be helpful if the OP would add this to his first post.

@opssemnik Great Job can you please help me to do so with my HTC One M8 ?
i had the same problem " qualcomm hs-usb qdloader 9008 "
Thanks

bradputt said:
Erm, don't mind me asking one question.
How do you back up your efs if your phone is bricked?
Click to expand...
Click to collapse
Restore he wrote
Shamu/Hammerhead/Flounder Dkwhq www.jsand.dk

Please can someone help me?
I am stuck in the bootloader, which is locked. I can't boot the phone up. I am trying to flash stock images but nothing is happening. Just booting to the bootloader every time.
I can detect my device using fastboot devices, but every time I try and write an img it fails, because the bootloader's locked! Argh!
Thanks in advance,
Tom

DFU and fastboot. Brick Axon 7 A2017

I cant enter adb. only something like fastboot (bootloader) . also can start like ZTE Handset Diagnostic Interface(DFU)
can you help me? nothing works
{
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C:\adb> adb devices
List of devices attached
C:\adb>fastboot devices
2a47d296 fastboot
C:\adb>fastboot flash recovery twrp-3.0.3-1-ailsa_ii.img
target reported max download size of 536870912 bytes
sending 'recovery' (13536 KB)...
OKAY [ 0.316s]
writing 'recovery'...
FAILED (remote: unknown command)
finished. total time: 0.331s

I HAVE THE SAME ISSUE!(A2017G) SOMEONE HELP! :crying:

You're not bricked, you're just down ATM. If you can get into bootloader or EDL mode you're fine. Just gotta put some work in. First, you've probably got a bootloader that doesn't allow fastboot commands. (the reason why you're getting the unknown command error). You need to flash that via EDL if you don't want to downgrade/unlock your bootloader. There is SOOOO much to read out there that with a little searching and reading you'll be up in no time. This toolkit is a good place to start looking. https://forum.xda-developers.com/axon-7/development/tool-axon7toolkit-t3573108

nolimit78 said:
You're not bricked, you're just down ATM. If you can get into bootloader or EDL mode you're fine. Just gotta put some work in. First, you've probably got a bootloader that doesn't allow fastboot commands. (the reason why you're getting the unknown command error). You need to flash that via EDL if you don't want to downgrade/unlock your bootloader. There is SOOOO much to read out there that with a little searching and reading you'll be up in no time. This toolkit is a good place to start looking. https://forum.xda-developers.com/axon-7/development/tool-axon7toolkit-t3573108
Click to expand...
Click to collapse
Hey, I CAN use Fastboot commands. but i cant get to recovery mode even tho i flash it. my bootloader is unlocked. please help!! i am stuck

Well with the error message you posted, "unknown command" means that you're on the wrong bootloader. You have two methods to install TWRP. Bootloader or EDL. If you want to do it via bootloader you need to load the B20 bootloader and that'll allow for the fastboot flash recovery "name of img file".img command. If you're wanting to use EDL you'll need to use a tool to force the recovery image.

nolimit78 said:
You're not bricked, you're just down ATM. If you can get into bootloader or EDL mode you're fine. Just gotta put some work in. First, you've probably got a bootloader that doesn't allow fastboot commands. (the reason why you're getting the unknown command error). You need to flash that via EDL if you don't want to downgrade/unlock your bootloader. There is SOOOO much to read out there that with a little searching and reading you'll be up in no time. This toolkit is a good place to start looking. https://forum.xda-developers.com/axon-7/development/tool-axon7toolkit-t3573108
Click to expand...
Click to collapse
fastboot flash recovery twrp-3.0.3-1-ailsa_ii.img
target reported max download size of 536870912 bytes
sending 'recovery' (13536 KB)...
OKAY [ 0.316s]
writing 'recovery'...
FAILED (remote: unknown command)
finished. total time: 0.331s
I cant go to edl. Only DFU.
C:\adb>fastboot oem device-info
...
FAILED (remote: unknown command)
finished. total time: 0.034s
FAILED to all commands in fastboot

nolimit78 said:
Well with the error message you posted, "unknown command" means that you're on the wrong bootloader. You have two methods to install TWRP. Bootloader or EDL. If you want to do it via bootloader you need to load the B20 bootloader and that'll allow for the fastboot flash recovery "name of img file".img command. If you're wanting to use EDL you'll need to use a tool to force the recovery image.
Click to expand...
Click to collapse
Check This;;
:\Users\Bumthimble\Desktop\ADB>fastboot flash recovery recovery.img
target reported max download size of 536870912 bytes
sending 'recovery' (17917 KB)...
OKAY [ 0.424s]
writing 'recovery'...
OKAY [ 0.141s]
finished. total time: 0.565s
I get this but when i try to boot into recovery, it boots into fastboot mode. Help

Ok that means that both of you are using the G model. If you're able to get to your bootloader try using the tool that I linked above. I have the U model so I can't relate with some of your issues but I believe that if you can reach the bootloader the tool can help. Have you tried manually booting to EDL?

nolimit78 said:
Ok that means that both of you are using the G model. If you're able to get to your bootloader try using the tool that I linked above. I have the U model so I can't relate with some of your issues but I believe that if you can reach the bootloader the tool can help. Have you tried manually booting to EDL?
Click to expand...
Click to collapse
I did. but it doesnt boot into EDL ever. I dont know why, i doesnt recognise its commands

nolimit78 said:
Ok that means that both of you are using the G model. If you're able to get to your bootloader try using the tool that I linked above. I have the U model so I can't relate with some of your issues but I believe that if you can reach the bootloader the tool can help. Have you tried manually booting to EDL?
Click to expand...
Click to collapse
I have China version. I cant manually booti to EDL. it booting in DFU

i can only boot it to fastboot

See this thread: https://forum.xda-developers.com/axon-7/help/edl-twrp-stuck-fastboot-luck-t3569879

don't work.
ZTE Handset Diagnostic Interface(DFU)
with handmade deepflash cable
if I connect with a closed cable, it blinks the symbol of charging(empty battery with the lightning bolt) several times and boot in DFU

fatax said:
don't work.
ZTE Handset Diagnostic Interface(DFU)
with handmade deepflash cable
if I connect with a closed cable, it blinks the symbol of charging(empty battery with the lightning bolt) several times and boot in DFU
Click to expand...
Click to collapse
I have exactly the same issue.
And 2 weeks already. Can't find any solution. Searched all the internet.
There is no solution so far.
Have to wait untill someone will create a flashtool for DFU mode for Snapdragon 820.

Vick78 said:
I have exactly the same issue.
And 2 weeks already. Can't find any solution. Searched all the internet.
There is no solution so far.
Have to wait untill someone will create a flashtool for DFU mode for Snapdragon 820.
Click to expand...
Click to collapse
I gave the phone to a service center (unofficial) they will try to flash the phone directly to memory

fastboot still locked. they can not do anything

fatax said:
fastboot still locked. they can not do anything
Click to expand...
Click to collapse
that's a sad news. did they say anything?
what do they need to fix?

Vick78 said:
that's a sad news. did they say anything?
what do they need to fix?
Click to expand...
Click to collapse
I do not know, but my acquaintance with 4pda wrote: Hello. It's JOY NEWS! We HAVE RISE ONE BRICK! So wait soon we will lay out the instruction how to raise. The phone will have to be dismantled.

I have now the same problem how did you solved the problem? Or is there generaly any solution?

cybertronixx said:
I have now the same problem how did you solved the problem? Or is there generaly any solution?
Click to expand...
Click to collapse
Did you search on the forum before bumping a year-old thread?
So far there are 2 DFU guides, mine is the latest. (Google "dfu unbrick"). Though you might want to try an EDL cable before doing the process on the guide. Just use MiFlash or EDL Tool along with the cable, and you might fix it.

Noob can't unlock bootloader

Hi folks,
I just received my Essential Phone, purchased through amazon. As you recall, the Essential Phone was rumored to have an unlocked bootloader. This was confirmed by @essential confirming that it will, in a tweet.
However, this is not what I'm experiencing with the phone.
After powering it up and playing around a bit, I enabled USB debugging and linked it to my computer, where I have the latest (as of today) android platform tools installed. I rebooted to fastboot and tried to issue "fastboot oem unlock", as I did with my previous phone, a nexus 6p. However, it seems "oem" is no longer a valid subcommand of fastboot; it has been renamed to "flashing unlock", along with some other new-to-me commands:
Code:
$ fastboot --help
usage: fastboot [ <option> ] <command>
commands:
.....
flashing lock Locks the device. Prevents flashing.
flashing unlock Unlocks the device. Allows flashing
any partition except
bootloader-related partitions.
flashing lock_critical Prevents flashing bootloader-related
partitions.
flashing unlock_critical Enables flashing bootloader-related
partitions.
flashing get_unlock_ability Queries bootloader to see if the
device is unlocked.
flashing get_unlock_bootloader_nonce Queries the bootloader to get the
unlock nonce.
flashing unlock_bootloader <request> Issue unlock bootloader using request.
flashing lock_bootloader Locks the bootloader to prevent
bootloader version rollback.
The "flashing unlock" command looks interesting. Let's try that:
Code:
$ fastboot flashing unlock
...
FAILED (remote: Flashing Unlock is not allowed
)
finished. total time: 0.003s
Hmmm... I don't like the look of that. Well, let's see what "get_unlock_ability" says:
Code:
$ fastboot flashing get_unlock_ability
...
(bootloader) get_unlock_ability: 0
OKAY [ 0.000s]
finished. total time: 0.000s
Ok, that looks bad too. Let's try those other new commands and see if we can get anywhere...
Code:
$ fastboot flashing unlock_critical
...
FAILED (remote: Flashing Unlock is not allowed
)
finished. total time: 0.002s
Nope.
Code:
$ fastboot flashing get_unlock_bootloader_nonce
...
FAILED (remote: unknown command)
finished. total time: 0.000s
Double nope.
Well that's not encouraging. I don't claim to be any sort of expert in regards to unlocking phones, but I can't find any other methods using these tools, and Essential's docs aren't any help. I've contact their phone support but haven't heard back after about an hour. (They use some ridiculous system where you schedule a callback... Not happy.)
So, I'm feeling pretty upset. Let's be clear here:
Essential said this:
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
But shipped a product with this:
Code:
$ fastboot flashing get_unlock_ability
...
(bootloader) get_unlock_ability: 0
OKAY [ 0.000s]
finished. total time: 0.000s

Did you turn on the allow unlocking toggle in developer options?

tw1tch175 said:
Did you turn on the allow unlocking toggle in developer options?
Click to expand...
Click to collapse
Thanks, that did the trick

xMopx said:
Thanks, that did the trick
Click to expand...
Click to collapse
So ...wich are the right steps and command d to unlock the bootloader?
thx

mastercut said:
So ...wich are the right steps and command d to unlock the bootloader?
thx
Click to expand...
Click to collapse
1) Check the box next to OEM Unlockable.
2) Then reboot your phone to fastboot
3) In a command prompt within the adb folder: type -> fastboot flashing unlock
4) Use the volume button to click yes when prompted.
Cheers

frhoward said:
1) Check the box next to OEM Unlockable.
2) Then reboot your phone to fastboot
3) In a command prompt within the adb folder: type -> fastboot flashing unlock
4) Use the volume button to click yes when prompted.
Cheers
Click to expand...
Click to collapse
I've tried all of these steps and once I get to the fastboot flashing unlock step my cmd prompt just hangs at waiting for device and I never get the option for "Yes." Instead I have Start, Recovery, Power off, etc.
What am I doing wrong?

DenverDroid said:
I've tried all of these steps and once I get to the fastboot flashing unlock step my cmd prompt just hangs at waiting for device and I never get the option for "Yes." Instead I have Start, Recovery, Power off, etc.
What am I doing wrong?
Click to expand...
Click to collapse
First in fastboot type "fastboot devices" if a string of numbers answers it is ok otherwise you need fastboot driver ....have you cheked?

Hi guys, I have an issue with unlocking the bootloader. fastboot devices returns the device ID, but flashing unlock gives me failed, unknown command error. I cannot get it working. Any ideas?
/edit: changing PC's helped

Essential Phone stuck in Start up screen with Locked Bootloader
My Essential Phone is frozen at boot up screen while trying to Update the latest Android P Beta 3 ... I restarted the phone on promoting to do so after downloading the update and now I'm here stuck with boot up screen.
Boot loader: Locked
Please let me know if there is a way around this to get it back up !!
Pleaseeeee....
Thanks in advance!!

[email protected] said:
My Essential Phone is frozen at boot up screen while trying to Update the latest Android P Beta 3 ... I restarted the phone on promoting to do so after downloading the update and now I'm here stuck with boot up screen.
Boot loader: Locked
Please let me know if there is a way around this to get it back up !!
Pleaseeeee....
Thanks in advance!!
Click to expand...
Click to collapse
If you've already waited for some time to pass, i would let it go dead, then plugin and allow it to power up on its own. I've only had limited success with this though. Other options are goto into recovery mode and factory reset.

wrecklesswun said:
If you've already waited for some time to pass, i would let it go dead, then plugin and allow it to power up on its own. I've only had limited success with this though. Other options are goto into recovery mode and factory reset.
Click to expand...
Click to collapse
Yeah, I had such instances too in the past. But no luck this time...
My OEM locking is not switched on and I'm unable to sideload the OTA or Rest the phone to factory.

Amazon Fire TV (1st Generation) unlock

Please help me to unlock the bootloader, access the network. I use USB a - USB A. after the update, only the logo is loaded. Enable debugging via usb is not possible
PS D:\Amazon\platform-tools> adb reboot bootloader
* daemon not running; starting now at tcp:5037
* daemon started successfully
error: no devices/emulators found
PS D:\Amazon\platform-tools> fastboot devices
7090020141650DN4 fastboot
PS D:\Amazon\platform-tools> fastboot reboot bootloader
rebooting into bootloader OKAY [ 0.000s]
Finished. Total time: 0.000s
PS D:\Amazon\platform-tools> fastboot devices
7090020141650DN4 fastboot
PS D:\Amazon\platform-tools> fastboot oem device-info
(bootloader) Device tampered: false
OKAY [ 0.000s]
Finished. Total time: 0.000s
PS D:\Amazon\platform-tools> fastboot -w
Finished. Total time: 0.016s
PS D:\Amazon\platform-tools> fastboot getvar all
all:
Finished. Total time: 0.000s
PS D:\Amazon\platform-tools>

If your FTV is on FireOS 5 (505 and up), then forget about this sh*t. No unlock possible^^

Sus_i said:
If your FTV is on FireOS 5 (505 and up), then forget about this sh*t. No unlock possible^^
Click to expand...
Click to collapse
I don't even know what version is out there. Given.
Wanted to add that fastboot works!!!
Maybe have the option of using test points to unlock?

Boot the FTV1 up (with disabled updates) and look in the settings for your fireOS version. Afaik the devices with 51.xxx (5 digits) can unlocked/rooted with software/adb.
FireOS 5 can´t bootloader unlocked, because bootloader checks fuses (5.0.5 and up). Last software rootable version is 5.0.5.
Aside from fireOS, if you build a low voltage emmc reader and solder wires to a few pins onto the board of the FTV, you can flash the emmc with twrp (for locked bootloader) and a prerooted rom from rbox.
https://www.exploitee.rs/index.php/Exploitee.rs_Low_Voltage_e-MMC_Adapter

Sus_i said:
Boot the FTV1 up (with disabled updates) and look in the settings for your fireOS version. Afaik the devices with 51.xxx (5 digits) can unlocked/rooted with software/adb.
FireOS 5 can´t bootloader unlocked, because bootloader checks fuses (5.0.5 and up). Last software rootable version is 5.0.5.
Aside from fireOS, if you build a low voltage emmc reader and solder wires to a few pins onto the board of the FTV, you can flash the emmc with twrp (for locked bootloader) and a prerooted rom from rbox.
https://www.exploitee.rs/index.php/Exploitee.rs_Low_Voltage_e-MMC_Adapter
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I have it only boots to the logo and all to go to settings is not possible. I used a usb a-usb a cable to connect. So I have a prefix is defined in the device Manager as a fastboot device, and as adb is not. Will you be able to specify on the scheme to specify the contacts to which you want to connect and more detailed instructions for recovery?

Take a look at the gtv hackers, you can see the pin out of the adapter and the pins on the board. There is also a video.
https://www.exploitee.rs/index.php/Amazon_FireTV
If you get this adapter (seems sold out/ you need to build it on your own) you can read/write to all partitions on the emmc (with a pc running linux), flash a new recovery and so on.
But maybe you find a way to reset the FTV on this site?
http://www.aftvnews.com/how-to-unbrick-and-prevent-bricking-an-amazon-fire-tv/

Sus_i said:
Take a look at the gtv hackers, you can see the pin out of the adapter and the pins on the board. There is also a video.
https://www.exploitee.rs/index.php/Amazon_FireTV
If you get this adapter (seems sold out/ you need to build it on your own) you can read/write to all partitions on the emmc (with a pc running linux), flash a new recovery and so on.
But maybe you find a way to reset the FTV on this site?
http://www.aftvnews.com/how-to-unbrick-and-prevent-bricking-an-amazon-fire-tv/
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Click to collapse
Unfortunately, I don't have a low voltage eMMC adapter and don't know if I can find one. With UART you can unlock something? Uart is more available to me.

Don´t know, but don´t think so.

Sus_i said:
Don´t know, but don´t think so.
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And how do you know why it doesn't switch to adb mode? Only fastboot works for me.

smurat_82 said:
And how do you know why it doesn't switch to adb mode? Only fastboot works for me.
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Click to collapse
I would try a usb hub with a usb keyboard for reset if the reset via remote doesn´t work.
You can look in the bueller bootloader unlock threads here on xda (fire tv android development section), maybe the fastboot commands work for you.

Sus_i said:
I would try a usb hub with a usb keyboard for reset if the reset via remote doesn´t work.
You can look in the bueller bootloader unlock threads here on xda (fire tv android development section), maybe the fastboot commands work for you.
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Unfortunately, did not help a full reset Alt+i+Print screen, and adb is not available, only fastboot mode

Maybe try this:
fastboot erase data
fastboot erase cache

Sus_i said:
Maybe try this:
fastboot erase data
fastboot erase cache
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I tried, didn't help
PS D:\Amazon\platform-tools> fastboot devices
7090020141650DN4 fastboot
PS D:\Amazon\platform-tools> fastboot erase data
Erasing 'data' FAILED (remote: 'erasing not allowed for locked hw')
Finished. Total time: 0.016s
PS D:\Amazon\platform-tools> fastboot erase cache
Erasing 'cache' FAILED (remote: 'erasing not allowed for locked hw')
Finished. Total time: 0.016s
PS D:\Amazon\platform-tools>
Probably only this method will help, thank you very much for your help
https://www.youtube.com/watch?v=IgC4iDzQ8gw&feature=youtu.be

You can try this.
https://forum.xda-developers.com/fire-tv/development/prerooted-stock-images-t2882337/post56987752#post56987752

How to unlock a Moto G7 xt1962-6

I rebooted my G7 into fastboot to wipe the cache and I got stuck in it. I wasn't trying to load a new image or replace anything. When I try any option (Start, Restart Bootloader, Recovery mode, Factory Mode, etc) it fails with the following message in the log:
Code:
SSM: Android image rollback: 8.9
failed to validate boot image
ERROR: Failed to pass validation, backup to fastboot
Boot up failed
So, I downloaded adb/fastboot, got the drivers installed, and tried to download the latest image from https:__mirrors.lolinet.com/firmware/moto/river/official/RETEU/ and then tried to flash it.
When I try to replace boot.img:
Code:
C:\temp\moto-g7-firmware> fastboot flash boot boot.img
(bootloader) is-logical:boot_a: not found
Sending 'boot_a' (32768 KB) OKAY [ 0.990s]
Writing 'boot_a' (bootloader) Image boot failed validation
(bootloader) Preflash validation failed
FAILED (remote: '')
fastboot: error: Command failed
Well, that's probably because I didn't unlock my bootloader first? I didn't know I'd be doing this. Maybe there's a stock boot image that wouldn't cause me problems?
I tried to unlock my bootloader. I got my boot key but when I run:
Code:
C:\temp\moto-g7-firmware> fastboot oem unlock XXXXXXXXXXXXXXXXXXXXXX
(bootloader) Check 'Allow OEM Unlock' in Android Settings > Developer
(bootloader) Options
OKAY [ 0.021s]
Finished. Total time: 0.027s
Well, this sucks. I can't get into the phone to get to the Android Settings menu. I feel stuck. Does anybody have any ideas for me?

rsshilli said:
I rebooted my G7 into fastboot to wipe the cache and I got stuck in it. I wasn't trying to load a new image or replace anything. When I try any option (Start, Restart Bootloader, Recovery mode, Factory Mode, etc) it fails with the following message in the log:
Code:
SSM: Android image rollback: 8.9
failed to validate boot image
ERROR: Failed to pass validation, backup to fastboot
Boot up failed
So, I downloaded adb/fastboot, got the drivers installed, and tried to download the latest image from https:__mirrors.lolinet.com/firmware/moto/river/official/RETEU/ and then tried to flash it.
When I try to replace boot.img:
Code:
C:\temp\moto-g7-firmware> fastboot flash boot boot.img
(bootloader) is-logical:boot_a: not found
Sending 'boot_a' (32768 KB) OKAY [ 0.990s]
Writing 'boot_a' (bootloader) Image boot failed validation
(bootloader) Preflash validation failed
FAILED (remote: '')
fastboot: error: Command failed
Well, that's probably because I didn't unlock my bootloader first? I didn't know I'd be doing this. Maybe there's a stock boot image that wouldn't cause me problems?
I tried to unlock my bootloader. I got my boot key but when I run:
Code:
C:\temp\moto-g7-firmware> fastboot oem unlock XXXXXXXXXXXXXXXXXXXXXX
(bootloader) Check 'Allow OEM Unlock' in Android Settings > Developer
(bootloader) Options
OKAY [ 0.021s]
Finished. Total time: 0.027s
Well, this sucks. I can't get into the phone to get to the Android Settings menu. I feel stuck. Does anybody have any ideas for me?
Click to expand...
Click to collapse
https://forum.xda-developers.com/general/general/update-moto-lenovo-moto-smart-assistant-t3951714/

Thank you for the response. Unfortunately, LMSA doesn't work either . It says "This device isn't supported". I have no idea why not.
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rsshilli said:
Thank you for the response. Unfortunately, LMSA doesn't work either . It says "This device isn't supported". I have no idea why not.
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It seems that your USB debugging or OEM unlock toggle was un-ticked.
Do you have recovery available to format/reset device?
RSDLite doesn't work with your model?

Negative
Nope. I can't seem to get RSD Lite to work on Windows 10 to recognize my phone .

rsshilli said:
Nope. I can't seem to get RSD Lite to work on Windows 10 to recognize my phone .
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It is possible to flash the stock firmware while the bootloader is locked.
BUT: You can't only flash a single image, like the boot.img. You must execute the whole fastboot commands in the same order as you can find in the flashfile.xml inside the firmware.zip!!
I don't know why, but only single commands do not work.
BEFORE TRYING THIS: Make sure you flash the correct firmware! IT MUST be the same build as currently installed!! No RETAIL version or an older build version!

Well, that's weird
Huh. I tried LMSA tonight again just for fun and it worked fine this time. It found the image, downloaded it, and reflashed the phone to factory settings. Yay! I'm back in. I tried it many times before. I know my firmware updated on the phone a few days before this happened. I guess I just needed to wait for a bit. Thank you everybody.
Ryan

WoKoschekk said:
It is possible to flash the stock firmware while the bootloader is locked.
BUT: You can't only flash a single image, like the boot.img. You must execute the whole fastboot commands in the same order as you can find in the flashfile.xml inside the firmware.zip!!
I don't know why, but only single commands do not work.
BEFORE TRYING THIS: Make sure you flash the correct firmware! IT MUST be the same build as currently installed!! No RETAIL version or an older build version!
Click to expand...
Click to collapse
For next time, how does one find the exact firmware needed? I could never figure that out.

rsshilli said:
For next time, how does one find the exact firmware needed? I could never figure that out.
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Code:
fastboot getvar all