Device has failed verification, after changing oem - Mate 8 Q&A, Help & Troubleshooting

My original ROM is NXT-L29C432B320
I installed Nougat AL10, but wanted to get back, so I changed it to NXT-AL10C00B321
It was working well, till I changed it the oem, to install NXT-L29C432B521
Now
I have NXT-C00B380 ROM that is working.
Unlocked bootloader, unlocked FRP
No root
Device has failed verification
Any fastboot command doesn't work. FAILED (Remote: Command not allowed)
How can I go back to my original ROM?
Or
How to root it again without TWRP?

MohamedElSadany said:
My original ROM is NXT-L29C432B320
I installed Nougat AL10, but wanted to get back, so I changed it to NXT-AL10C00B321
It was working well, till I changed it the oem, to install NXT-L29C432B521
Now
I have NXT-C00B380 ROM that is working.
Unlocked bootloader, unlocked FRP
No root
Device has failed verification
Any fastboot command doesn't work. FAILED (Remote: Command not allowed)
How can I go back to my original ROM?
Or
How to root it again without TWRP?
Click to expand...
Click to collapse
Try to dload B180 or B200 from there you can decide want to upgrade to EMUI 4.1 or EMUI 5 or else maintain EMUI 4.
Good luck.

Unlock the bootloader again even if it say unlocked.

dexz said:
Try to dload B180 or B200 from there you can decide want to upgrade to EMUI 4.1 or EMUI 5 or else maintain EMUI 4.
Good luck.
Click to expand...
Click to collapse
I tried many ROMs with no luck.
Everytime update stops at 5%
Thanks

gm007 said:
Unlock the bootloader again even if it say unlocked.
Click to expand...
Click to collapse
Thanks.
It worked as a charm
And i've got TWRP again.

MohamedElSadany said:
My original ROM is NXT-L29C432B320
I installed Nougat AL10, but wanted to get back, so I changed it to NXT-AL10C00B321
It was working well, till I changed it the oem, to install NXT-L29C432B521
Now
I have NXT-C00B380 ROM that is working.
Unlocked bootloader, unlocked FRP
No root
Device has failed verification
Any fastboot command doesn't work. FAILED (Remote: Command not allowed)
How can I go back to my original ROM?
Or
How to root it again without TWRP?
Click to expand...
Click to collapse
What about your phone model?
NXT-L09, NXT-L29, NXT-AL10, NXT-CL00, NXT-DL00 or NXT-TL00
Mentioned on back of your phone like this image:
{
"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"
}

Related

Need Stock Boost Mobile Moto G 4.4.2 Flashable Zip

I can't seem to find one.
Sent from my Moto G using Tapatalk!
Vuciz said:
I can't seem to find one.
Sent from my Moto G using Tapatalk!
Click to expand...
Click to collapse
Download it from here: http://sbf.droid-developers.org/download.php?device=14&file=911
Firmware version: Android 4.4.2
Blur_Version.175.44.1.falcon_cdma.Boost.en.US
Carrier: Boost US
MD5 Sum: 78DEF46FA777AECCC7F7046EF367FBFF
After you download this, please flash the fastboot file using RSD-Lite:
Please download RSD-Lite 6.1.6 from here: https://bitly.com/bundles/johnlgalt/2 and the latest Moto drivers.
Thanks, but it keeps failing at the first step (aboot) which is why I want a flashable version.
Unless you know how to get rid of the "Preflash Validation Failed" error.
Vuciz said:
Thanks, but it keeps failing at the first step (aboot) which is why I want a flashable version.
Unless you know how to get rid of the "Preflash Validation Failed" error.
Click to expand...
Click to collapse
Can you show me a screenshot of the error?
No for two reasons:
1. The error is in fastboot mode
2. I don't have a second device to take a picture. I'll try to find the error online.
{
"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"
}
In this example picture it's from CMD. It produces this error on motoboot, aboot, and fsg.
Vuciz said:
No for two reasons:
1. The error is in fastboot mode
2. I don't have a second device to take a picture. I'll try to find the error online.
Click to expand...
Click to collapse
It looks like it's trying to verify a file and but verfication failed so it will refuse to flash to the device. There is issues with trustzone which prevents the flashing of the tz partition.
But then how can I return it to true stock? I have it on stock but unlocked BL (4.4.4) and I can't find a stock fastboot flash for 4.4.4. I want the BL locked but I can't do that without returning to true stock.
Vuciz said:
But then how can I return it to true stock? I have it on stock but unlocked BL (4.4.4) and I can't find a stock fastboot flash for 4.4.4. I want the BL locked but I can't do that without returning to true stock.
Click to expand...
Click to collapse
You can flash this file: http://forum.xda-developers.com/mot...o-remove-bootloader-unlocked-warning-t2794104 to get rid of BL unlock warning.
I've done that. But I just want it locked because I'm giving my phone to my nephew for his first phone. I'm getting the N6. He does not know how to root or anything and I don't want to keep it unlocked. He can't access the BL unlock code because it's in my email. He could reapply but he doesn't know how.
Vuciz said:
I've done that. But I just want it locked because I'm giving my phone to my nephew for his first phone. I'm getting the N6. He does not know how to root or anything and I don't want to keep it unlocked. He can't access the BL unlock code because it's in my email. He could reapply but he doesn't know how.
Click to expand...
Click to collapse
As long as he doesn't flash it, the unlocked BL won't be an issue. Try flashing the partitions manually besides the tz partition.
I can't lock it then. I guess it doesn't matter to you, but in the event he decides to try to root it or something all he has to do it flash a recovery. And he's careless. But I guess there's no way to relock it. ?
You can't flash 4.4.2 if you have an up-to-date bootloader.
Here is the 4.4.4 Boost US firmware image: http://forum.xda-developers.com/showthread.php?p=55651962

Downgrade and OTA update risks on osprey

Hi everyone. There are discussion spread on multiple posts about the problems we should have on downgrading from Marshmallow OTA updated. I created this thread in a attempt to centralize this.
Sounds like the previous Moto Gs (2013, 2014) users get a bricked phone when attempting to downgrade from OTA update to factory firmware and re-update it with OTA update again... This is related to the bootloader being modified by the OTA update. Because of this the recommendation for this devices is not to update their phones using OTA update if they want to downgrade someday.
Well, there are some successful reports from osprey (Moto G 2015) users doing this. Users like @drico_649 and @yea55 successful downgraded their phones.
I'm stuck on unlocked bootloader after a failed attempt to root Marshmallow. So, I need to downgrade my OTA updated to Marshmallow.
The obvious way is flash the factory firmware with fastboot and re-update to OTA Marshmallow but this is considered risky.
What are my alternatives?
Ok, I successfully flashed the factory firmware. Working normally!
But I got a unusual message:
{
"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"
}
It's portuguese:
Uninstall firmware service sensors Motorola
This will revert firmware to the previous version
! Select uninstall to reboot the phone.
Options: later and uninstall
That is this? I did not answer this.
So you can successfully downgrade the bootloader on your device? or did you skip gpt.bin and bootloader.img
The only thing people need to skip is gpt.bin
Yousvel said:
The only thing people need to skip is gpt.bin
Click to expand...
Click to collapse
i swear the bootloader was thing you wernt meant to downgrade? and what happens if you do flash gpt.bin ?
therealduff1 said:
i swear the bootloader was thing you wernt meant to downgrade? and what happens if you do flash gpt.bin ?
Click to expand...
Click to collapse
If you flash gpt.bin, it will just fail, but it shouldn't cause anything. But for the bootloader, it will be downgraded with no problem at all.
Yousvel said:
If you flash gpt.bin, it will just fail, but it shouldn't cause anything. But for the bootloader, it will be downgraded with no problem at all.
Click to expand...
Click to collapse
So if i were to downgrade my phone via fastboot to lollipop, then upgrade again though ota, it would all be fine ?
therealduff1 said:
So if i were to downgrade my phone via fastboot to lollipop, then upgrade again though ota, it would all be fine ?
Click to expand...
Click to collapse
It's no safe to accept ota after downgrading

Failed to flash Stock ROM

hey. can someone please help me with my problem? i have a huawei honor 6x (BLN-L21C432B368 is the latest firmware).
i tried to flash it with dload method, with fastboot method.. none of them did work.
then i flashed twrp and booted into it.. it said "Failed to mount /vendor (invalid argument)" and "Failed to mount /product (invalid argument)".
I used several stock ROM's but none of them did work.
i dont know what to do now.
plz help
{
"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"
}
I think you need to have stock recovery.
Bwhisper said:
I think you need to have stock recovery.
Click to expand...
Click to collapse
i tried that many times, it doesnt work.
Stock recovery wont help. Dload just take anything.
you may have flashed any custom ROM I guess? How about trying with B360 version and see the behavior via dload. If you need the files for it, there is one in my signature, 1st link. capture couple of files from it and proceed with dload.
shashank1320 said:
Stock recovery wont help. Dload just take anything.
you may have flashed any custom ROM I guess? How about trying with B360 version and see the behavior via dload. If you need the files for it, there is one in my signature, 1st link. capture couple of files from it and proceed with dload.
Click to expand...
Click to collapse
Yes, i flashed LineageOS, but then i decided to go back to Stock. I tried with the B360 version but it doesnt help...
stefan1337 said:
Yes, i flashed LineageOS, but then i decided to go back to Stock. I tried with the B360 version but it doesnt help...
Click to expand...
Click to collapse
Do you have stock recovery or TWRP now? You may need to flash srock recovery, stock boot, stock cust.img and stock vendor.img via fastboot.

Update failed "Failed to mount '/system' "

Hi,
I just tried to update my P20 from EML-L29 8.1.0.106(C432) to EML-L29 8.1.0.110(C432)-FULL.
My Bootloader is unlocked, the phone is rooted and TWPR is installed.
After the phone has downloaded the update and is rebooting into the recovery I get the following error:
https://ibb.co/hq5hPS
{
"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"
}
Is this error normal, beacuse I unlocked the Bootloader of the device and the updater will just be blocked by Huawei or am I doing something wrong?
Is the another methode to update the device?
Thanks for your help
Edit: Image is not displayed, I added the link
Benwohlio said:
Hi,
I just tried to update my P20 from EML-L29 8.1.0.106(C432) to EML-L29 8.1.0.110(C432)-FULL.
My Bootloader is unlocked, the phone is rooted and TWPR is installed.
After the phone has downloaded the update and is rebooting into the recovery I get the following error:
https://ibb.co/hq5hPS
Is this error normal, beacuse I unlocked the Bootloader of the device and the updater will just be blocked by Huawei or am I doing something wrong?
Is the another methode to update the device?
Thanks for your help
Edit: Image is not displayed, I added the link
Click to expand...
Click to collapse
Its because of twrp and root. You need flashable zip.
g_oral said:
Its because of twrp and root. You need flashable zip.
Click to expand...
Click to collapse
Will flashing the new firmare result in a factory resett?
Benwohlio said:
Will flashing the new firmare result in a factory resett?
Click to expand...
Click to collapse
You need a zip prepared for twrp flash. I don't think there is any available
It might have changed since I did this the last time (a couple of years ago), but
When running stock firmware, and rooted, I never ever ever applied official updates.
It was doomed to fail. Then.
Today it might be different...?
- I recommend a Return To Stock, by flashing stock firmware. And yes, that will wipe all things on your device.
This is why one always uses backups such as Google Sync etc.
Best of luck m8
Peace ✌??

Question Do you have to unlock the bootloader again after each stock ROM update?

Hi, I have a Poco x3 pro with an old ArrowOS
i want to try an upgraded version of arrowOS or LineageOS but i have to upgrade to stock ROM first,
Will I have t unlock my phone again ?
will it work if i don't remember my old xiaomi/mi account ?
thx
No it will not lock bootloader unless you checked lock bootloader in the flash tool when you flash rom
kindredkaiser said:
Hi, I have a Poco x3 pro with an old ArrowOS
i want to try an upgraded version of arrowOS or LineageOS but i have to upgrade to stock ROM first,
Will I have t unlock my phone again ?
will it work if i don't remember my old xiaomi/mi account ?
thx
Click to expand...
Click to collapse
Your bootloader is already unlocked:
You can use the TWRP/O.F to flash the firmware (recovery rom) or Miflash (choose flash_all.bat) or directly with a fastboot rom.
https://forum.xda-developers.com/t/flash-tool-guide-use-xiaomi-flash-tool.4262425/
You can also recover the password here:https://account.xiaomi.com/fe/service/forgetPassword?_group=DEFAULT&_bannerBiz=&_snsNone=true&_locale=en_US&sid=i.mi.com&callback=https://us.i.mi.com/sts?sign=QUjUnrCggg9No240fiSu7mm%2BaPw%3D&followup=https%3A%2F%2Fus.i.mi.com%2F&sid=i.mi.com&qs=
NOSS8 said:
Your bootloader is already unlocked:
You can use the TWRP/O.F to flash the firmware (recovery rom) or Miflash (choose flash_all.bat) or directly with a fastboot rom.
https://forum.xda-developers.com/t/flash-tool-guide-use-xiaomi-flash-tool.4262425/
You can also recover the password here:https://account.xiaomi.com/fe/service/forgetPassword?_group=DEFAULT&_bannerBiz=&_snsNone=true&_locale=en_US&sid=i.mi.com&callback=https://us.i.mi.com/sts?sign=QUjUnrCggg9No240fiSu7mm%2BaPw%3D&followup=https%3A%2F%2Fus.i.mi.com%2F&sid=i.mi.com&qs=
Click to expand...
Click to collapse
you're using expression I'm not sure I understand :
> "to flash the firmware (recovery rom)"
do you mean "to flash a Stock ROM" ?
because to me "recovery rom" can be confused with stock recovery / custom recovery
and so, I'm not sure what you want me to flash, the full stock ROM or just the stock recovery.img ?
I'm on android 11 and I want to install LineageOS 19.1 (android 12)
So I will need to install the Full stock ROM android 12 from Xiaomi : MIUI 13
Right ?
"Android 12 firmware" = Full stock ROM MIUI 13, Right ?
instruction from LineageOS site :
{
"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"
}
vip57 said:
No it will not lock bootloader unless you checked lock bootloader in the flash tool when you flash rom
Click to expand...
Click to collapse
ok, Thank you
kindredkaiser said:
you're using expression I'm not sure I understand :
> "to flash the firmware (recovery rom)"
do you mean "to flash a Stock ROM" ?
Click to expand...
Click to collapse
You can install the requested firmware if existing or the complete rom.
If only in recovery use the TWRp/O.F, firmware too, if Fastboot uses Miflash
Sometimes the firmware alone does not work, use the rom.
TWRP/O.F
kindredkaiser said:
No it will not lock bootloader unless you checked lock bootloader in the flash tool when you flash rom
Click to expand...
Click to collapse
Only if you use Miflash.
Please note that the clean all and lock box is checked by default

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