Database Info

Root: Stuck at "Your device is booting now"

Hello! I tried to root my Honor 6x (BLN-L21, EMUI 5.0) following the instructions there:
cyberkey.in/how-to-root-honor-6x-100-working/
The bootloader was successfully unlocked.
But when I tried to flash TWRP the process failed and now my phone is stuck on boot :
"Your device has been unlocked and can't be trusted [...] Your device is booting now."
I can get access to recovery and fastboot. I wiped the cache and tried a factory reset but nothing changed, my system won't start and I don't know what to do.
Please help!

if you have the boot backup then restore it.

venugopalu007 said:
if you have the boot backup then restore it.
Click to expand...
Click to collapse
I don't have any backup. Is there a way to just reset everything? Also I don't know how to connect to the phone anymore since adb won't find the device.

if you cannot find the boot.img
just do a rollback bro
here is the link
first dload this
http://download-c.huawei.com/download/downloadCenter?downloadId=94070&version=376169&siteCode=de-h
and this now
if your device is BLN-L21C432B151 http://update.hicloud.com:8180/TDS/data/files/p3/s15/G1277/g104/v84712/f1/full/update.zip
or BLN-L21C185B131 http://update.hicloud.com:8180/TDS/data/files/p3/s15/G1277/g104/v75593/f1/full/update.zip

I think that I flashed the wrong files in "boot" and "recovery". Please tell me which files I should flash there.
I used the commands:
.\fastboot flash boot twrp.img
.\fastboot flash recovery twrp.img

Stinks said:
I think that I flashed the wrong files in "boot" and "recovery". Please tell me which files I should flash there.
I used the commands:
.\fastboot flash boot twrp.img
.\fastboot flash recovery twrp.img
Click to expand...
Click to collapse
The guide from "cyberkey.in/how-to-root-honor-6x-100-working/" is simply wrong when it comes to flashing the twrp recovery. If you really followed this guide completely then you flashed the recovery to the boot partition.
Use "fastboot flash recovery twrp.img" to flash the recovery.
You will still have to flash the boot image to your boot partition then (fastboot flash boot boot.img).

Stinks said:
I don't have any backup. Is there a way to just reset everything? Also I don't know how to connect to the phone anymore since adb won't find the device.
Click to expand...
Click to collapse
Use fastboot flash recovery twrpname.img to flash the recovery

Ok so basically I need to flash the boot image. However I don't know where to find the stock boot image. I downloaded the so-called "full version" of the stock firmware that I found here: boycracked.com/2017/07/20/official-huawei-honor-6x-bln-l21-berlin-l21-stock-rom-firmware/
However there was no boot.img file inside.
If you could direct me to the proper stock boot.img or send me one, that would greatly help. I had EMUI 5.0 with Nougat 7.0 I believe, phone version BLN-L21.

V
Stinks said:
Ok so basically I need to flash the boot image. However I don't know where to find the stock boot image. I downloaded the so-called "full version" of the stock firmware that I found here: boycracked.com/2017/07/20/official-huawei-honor-6x-bln-l21-berlin-l21-stock-rom-firmware/
However there was no boot.img file inside.
If you could direct me to the proper stock boot.img or send me one, that would greatly help. I had EMUI 5.0 with Nougat 7.0 I believe, phone version BLN-L21.
Click to expand...
Click to collapse
Bro there is update.app open it with huawei update extractor then you will see the the boot image.but remember the emui 4.1 boot wont help you in emui 5 .the boot.img must be emui 5 once.

venugopalu007 said:
V
Bro there is update.app open it with huawei update extractor then you will see the the boot image.but remember the emui 4.1 boot wont help you in emui 5 .the boot.img must be emui 5 once.
Click to expand...
Click to collapse
Thanks. I successfully updated boot.img and and recovery.img, but system won't load, so I might have imported from the wrong STOCK version.
I tried to reinstall a stock ROM using:
fastboot flash system system.img
But I got this error message:
target reported max download size of 471859200 bytes
sending sparse 'system' (444686 KB)...
OKAY [ 12.901s]
writing 'system'...
FAILED (remote: sparse flash write failure)
finished. total time: 12.929s
Then I tried to erase the system file with "erase system" and got this error:
erasing 'system'...
FAILED (remote: Command not allowed)
finished. total time: 0.013s
I guess that the only option now is to install the files on an external SD card?

Stinks said:
Thanks. I successfully updated boot.img and and recovery.img, but system won't load, so I might have imported from the wrong STOCK version.
I tried to reinstall a stock ROM using:
fastboot flash system system.img
But I got this error message:
target reported max download size of 471859200 bytes
sending sparse 'system' (444686 KB)...
OKAY [ 12.901s]
writing 'system'...
FAILED (remote: sparse flash write failure)
finished. total time: 12.929s
Then I tried to erase the system file with "erase system" and got this error:
erasing 'system'...
FAILED (remote: Command not allowed)
finished. total time: 0.013s
I guess that the only option now is to install the files on an external SD card?
Click to expand...
Click to collapse
Bro y this ,just do a rollback .

Stinks said:
Thanks. I successfully updated boot.img and and recovery.img, but system won't load, so I might have imported from the wrong STOCK version.
I tried to reinstall a stock ROM using:
fastboot flash system system.img
But I got this error message:
target reported max download size of 471859200 bytes
sending sparse 'system' (444686 KB)...
OKAY [ 12.901s]
writing 'system'...
FAILED (remote: sparse flash write failure)
finished. total time: 12.929s
Then I tried to erase the system file with "erase system" and got this error:
erasing 'system'...
FAILED (remote: Command not allowed)
finished. total time: 0.013s
I guess that the only option now is to install the files on an external SD card?
Click to expand...
Click to collapse
I recommend you to download firmware files only from the official honor website or by using the huawei firmware finder(https://forum.xda-developers.com/tools/general/huawei-firmware-finder-team-mt-t3469146)
In this case try to use huawei firmware finder to get the right stock version for your phone. Download these two files: e.g. update.zip & update_full_BLN-L21_hw_eu.zip.
Export the following image files: recovery, system, boot and cust.
The try to flash them:
fastboot flash boot boot.img
fastboot flash system system.img
fastboot flash cust cust.img
fastboot flash recovery recovery.img
If flashing a partition via fastboot fails then it is usually because it's the wrong image or just not made for your phone.

Thank you guys, you saved my phone! I eventually managed to flash the files from Nougat update for European Honor 6X BLN-L21C432B360 that I found there: stechguide.com/honor-6x-b360-nougat-update/
Now the phone is working fine.

Stinks said:
Thank you guys, you saved my phone! I eventually managed to flash the files from Nougat update for European Honor 6X BLN-L21C432B360 that I found there: stechguide.com/honor-6x-b360-nougat-update/
Now the phone is working fine.
Click to expand...
Click to collapse
Glad you revived your phone

question
​
Stinks said:
Hello! I tried to root my Honor 6x (BLN-L21, EMUI 5.0) following the instructions there:
cyberkey.in/how-to-root-honor-6x-100-working/
The bootloader was successfully unlocked.
But when I tried to flash TWRP the process failed and now my phone is stuck on boot :
"Your device has been unlocked and can't be trusted [...] Your device is booting now."
I can get access to recovery and fastboot. I wiped the cache and tried a factory reset but nothing changed, my system won't start and I don't know what to do.
Please help!
Click to expand...
Click to collapse
my phone is stuck at your device is booting now i cant get to any of other functions such as fastboot or recovry i can only acces it after full charge is gone and after charging.how did you get to acces fastboot or recover.

[email protected] said:
question
my phone is stuck at your device is booting now i cant get to any of other functions such as fastboot or recovry i can only acces it after full charge is gone and after charging.how did you get to acces fastboot or recover.
Click to expand...
Click to collapse
did you solve your issue.....I have same problem now

nokiasatyam said:
did you solve your issue.....I have same problem now
Click to expand...
Click to collapse
Hello, could you be more specific about your problem? I'll be able to help you.
Brief Explanation:
From the screen on which you're stuck, press and hold power button for about 10 seconds to forcibly restart your device. when you see the same screen again, immediately press and hold volume up button(for about 3 seconds) to boot to eRecovery.
> Choose shut down option on eRecovery. press and hold vol down button and insert the charging cable to boot to fastboot.
> Press and hold power and volume up button to boot to recovery. (You could do this even from fastboot screen and the screen you're stuck at).

failed (remote: partition length get error) - after update mate 9 to Oreo Beta

Hi my friends
I update my mate 9 to Oreo beta. its cool.
now I want install TWRP Recovery, but in installation through fastboot, I faced with this error:
failed (remote: partition length get error)
please help me. I cannot install recovery.
thanks

where did you get the Oreo beta?

I believe the beta can be downloaded through their web site as a limited tester. My understanding of flashing recovery onto the new Android build is that you'll need a newest version of twrp to work for oreo. Most the time the new updates will mess around with the internal storage space.

ystokar said:
where did you get the Oreo beta?
Click to expand...
Click to collapse
You can get it via FH.
vang2k said:
I believe the beta can be downloaded through their web site as a limited tester.
Click to expand...
Click to collapse
The 250 users quota has long been filled unfortunately.
Sent from my MHA-L29 using XDA Labs

martin2007 said:
Hi my friends
I update my mate 9 to Oreo beta. its cool.
now I want install TWRP Recovery, but in installation through fastboot, I faced with this error:
failed (remote: partition length get error)
please help me. I cannot install recovery.
thanks
Click to expand...
Click to collapse
The recovery partitions are different in Android O. There is no working TWRP yet.
If you want to downgrade, however, there will be a solution soon.

Here is the solution (forwad)
This is TWRP to Mate 9/Android O, brought to you by FunkyHuawei. This will also work for the Mate 10, Mate 10 Pro, Mate 10 Porsche and other EMUI 8 devices.
It´s just a preliminary build so I can´t promise anything/everything will work! Keep that in mind. I´m not responsible if you brick your device.
DOWNLOAD LINK:
https://drive.google.com/file/d/0B45NCsO2AL_1NEh2aDFLM3JlYkU
It works on the Android O build here:
https://www.reddit.com/r/FunkyHuawei...id_o_beta_for/
and the official European beta.
To install:
First, have Android O running. Unlock the bootloader. Download the twrp image.
Then, run in fastboot mode:
fastboot flash recovery_ramdisk twrp_android_o_mate9_a1.img
Then, reboot holding volume up, and you´ve got TWRP!
Note: With the Android O update, it is no longer possible to flash the recovery2 partition. Furthermore, the names of the partitions have changed. Please keep that in mind, and don´t mess around too much with TWRP, to be sure you don´t brick your system!

fairyland4ever said:
Here is the solution (forwad)
This is TWRP to Mate 9/Android O, brought to you by FunkyHuawei. This will also work for the Mate 10, Mate 10 Pro, Mate 10 Porsche and other EMUI 8 devices.
It´s just a preliminary build so I can´t promise anything/everything will work! Keep that in mind. I´m not responsible if you brick your device.
DOWNLOAD LINK:
https://drive.google.com/file/d/0B45NCsO2AL_1NEh2aDFLM3JlYkU
It works on the Android O build here:
https://www.reddit.com/r/FunkyHuawei...id_o_beta_for/
and the official European beta.
To install:
First, have Android O running. Unlock the bootloader. Download the twrp image.
Then, run in fastboot mode:
fastboot flash recovery_ramdisk twrp_android_o_mate9_a1.img
Then, reboot holding volume up, and you´ve got TWRP!
Note: With the Android O update, it is no longer possible to flash the recovery2 partition. Furthermore, the names of the partitions have changed. Please keep that in mind, and don´t mess around too much with TWRP, to be sure you don´t brick your system!
Click to expand...
Click to collapse
It worked, I have TWRP, but my PC does not connect to ADB. I tried reinstalling all the drivers but it does not even make any sound when I connect it to USB

fairyland4ever said:
Here is the solution (forwad)
This is TWRP to Mate 9/Android O, brought to you by FunkyHuawei. This will also work for the Mate 10, Mate 10 Pro, Mate 10 Porsche and other EMUI 8 devices.
It´s just a preliminary build so I can´t promise anything/everything will work! Keep that in mind. I´m not responsible if you brick your device.
DOWNLOAD LINK:
https://drive.google.com/file/d/0B45NCsO2AL_1NEh2aDFLM3JlYkU
It works on the Android O build here:
https://www.reddit.com/r/FunkyHuawei...id_o_beta_for/
and the official European beta.
To install:
First, have Android O running. Unlock the bootloader. Download the twrp image.
Then, run in fastboot mode:
fastboot flash recovery_ramdisk twrp_android_o_mate9_a1.img
Then, reboot holding volume up, and you´ve got TWRP!
Note: With the Android O update, it is no longer possible to flash the recovery2 partition. Furthermore, the names of the partitions have changed. Please keep that in mind, and don´t mess around too much with TWRP, to be sure you don´t brick your system!
Click to expand...
Click to collapse
great, that worked well. now - with the changed partition table, would you recommend rooting the phone with either of these methods: https://forum.xda-developers.com/mate-9/how-to/guide-how-to-root-mate-9-decrypt-data-t3569986 ?

Dear friend, i have same issue, kindly tell me how to change partition table?

Hi, I also have Mate 9 L09 and have exact same error message:
fastboot flash recovery twrpo.img
target reported max download size of 471859200 bytes
sending 'recovery' (26982 KB)...
OKAY [ 0.579s]
writing 'recovery'...
FAILED (remote: partition length get error)
UPDATE:
OK, I managed it by myself, haha.
For anyone else with same issue.
Since Oreo: Partition names have changed.
Use this command: fastboot flash recovery_ramdisk RECOVERY.img
"recovery" changed to "recovery_ramdisk" now.
finished. total time: 0.600s
I downloaded that special TWRP recovery image, but still get the same message. Does not work for me, any new solution available?

tobyffm said:
Hi, I also have Mate 9 L09 and have exact same error message:
fastboot flash recovery twrpo.img
target reported max download size of 471859200 bytes
sending 'recovery' (26982 KB)...
OKAY [ 0.579s]
writing 'recovery'...
FAILED (remote: partition length get error)
finished. total time: 0.600s
I downloaded that special TWRP recovery image, but still get the same message. Does not work for me, any new solution available?
Click to expand...
Click to collapse
You need to flash to recovery_ramdisk. Fastboot flash recovery_ramdisk twrpo.img

Hi there , so if we want to flash Oreo through fastboot , what could be the commands lines please ?
as ie : fastboot flash boot boot.img or boot_ramdisk / boot_kernel boot.img ? and so on ..
the complete list of commands, would any 1 pass it over here please ? thanks a bunch

FuM8 said:
Hi there , so if we want to flash Oreo through fastboot , what could be the commands lines please ?
as ie : fastboot flash boot boot.img or boot_ramdisk / boot_kernel boot.img ? and so on ..
the complete list of commands, would any 1 pass it over here please ? thanks a bunch
Click to expand...
Click to collapse
Well. You can flash most partitions. If you extract imgs from an oreo update.app you get the complete list (though some can't be flashed, like erecovery_*.img).
If you extract ramdisk (boot ramdisk) from update.app you flash it as fastboot flash ramdisk ramdisk.img. Kernel flashed as fastboot flash kernel kernel.img.
Recovery ramdisk as fastboot flash recovery_ramdisk recovery_ramdisk.img
To extract in Huawei Update Extractor you need to go to settings and disable checksum, it won't extract because something is up with erecovery_ramdis.img (it's misspelled too).

thank you for your reply @ ante0
Something else please .. as I tried and failed to update from MHA-L09-c432198 to Oreo I now get a bootloop error 14 iom3 , I saw on another thread some solutions, which dont work for me as I just cannot boot into twrp because of my battery not charging, even in download / recovery mode... battery three months old... and always working good
What I need to know is how can I either get my twrp saved system back through fastboot or else how can I flash - again only by fastboot mean - the stock firmware of my c432b198 or ...? as i need to flash boot, recovery, cust & system , how can I do so while there is no CUST img in extracted data (seems to be inside the data img itself).
Or else how can do A COMPLETE FORMAT of my internal storage ? the command , any1 i do, give either "not allowed" or partition lengh etc"
any way I can use fastboot to get out of this bootloop iom3 error 14 which don't let my battery charge a little ?
I'm a little much confused and do apology for that. Any help is desesperated needed .

So what is the boot image or the boot partition now called in OREO? I am trying to unbrick my Honor 9 and had Oreo L09-B321 on it before. The only thing I am missing is to successfully flash boot since I am also getting the "partition length error" when I use fastboot boot BOOT.img.

overflyer said:
So what is the boot image or the boot partition now called in OREO? I am trying to unbrick my Honor 9 and had Oreo L09-B321 on it before. The only thing I am missing is to successfully flash boot since I am also getting the "partition length error" when I use fastboot boot BOOT.img.
Click to expand...
Click to collapse
I think ramdisk is the boot partition in oreo, so you have to use fastboot flash ramdisk RAMDISK.img.

YASS
tobyffm said:
Hi, I also have Mate 9 L09 and have exact same error message:
fastboot flash recovery twrpo.img
target reported max download size of 471859200 bytes
sending 'recovery' (26982 KB)...
OKAY [ 0.579s]
writing 'recovery'...
FAILED (remote: partition length get error)
UPDATE:
OK, I managed it by myself, haha.
For anyone else with same issue.
Since Oreo: Partition names have changed.
Use this command: fastboot flash recovery_ramdisk RECOVERY.img
"recovery" changed to "recovery_ramdisk" now.
finished. total time: 0.600s
I downloaded that special TWRP recovery image, but still get the same message. Does not work for me, any new solution available?
Click to expand...
Click to collapse
Worked like a charm. Thanks.

****ty ADB
i have adb drivers installed but if i enter: fastboot flash recovery_ramdisk RECOVERY.img it says cannot load RECOVERY.img

still stuck
tothl74 said:
I think ramdisk is the boot partition in oreo, so you have to use fastboot flash ramdisk RAMDISK.img.
Click to expand...
Click to collapse
i still get folowing error
target reported max download size of 471859200 bytes
sending 'recovery_ramdisk' (34634 KB)...
OKAY [ 1.214s]
writing 'recovery_ramdisk'...
FAILED (remote: partition error)
finished. total time: 1.235s
i have tried all three commands
fastboot flash recovery twrp_Honor_7x.img
fastboot flash recovery_ramdisk twrp_Honor_7x.img
fastboot flash ramdisk twrp_Honor_7x.img

i cant flash!! same error!!!
failed remote partition lenght get error

Moto g8 plus failed to identify current slot

hi, name's Josh, i was trying to downgrade my moto g8 plus, but i had this issue with "please lock bootloader" loop so i tried locking it, but now i cannot even pass from bootloader:
"no booteable A/B slot
failed to boot linux, falling back to fastboot
fastboot reason: Fall-through from normal boot mode"
i've tried to fix it with the rescue and smart assistant but it keeps failing, i also tried flashing it with fastboot but i get the message "failed to identify current slot", when i try to "--set-active=a" it shows (either for b):
Setting current slot to 'a'...
FAILED (remote failure)
finished. total time: 0.172s
And when i type "fastboot getvar current-slot" i get this:
current-slot:
finished. total time: 0.064s
I don't really know what to do now, even recovery mode won't prompt, it just restarts bootloader, does anyone have a solution for this? i never had this kind of issue with samsung devices, this is my first motorola and since i bought it i had problems with touch being laggy so i was trying to downgrade android 10 to 9 but i was unable, and now i can't even use it at all, i would really apreciate if somebody could help me, in advance thanks for your time and attention

Can you unlock the bootloader again?

gfrank227 said:
Can you unlock the bootloader again?
Click to expand...
Click to collapse
when i try "fastboot oem unlock" it just says:
...
(bootloader) Check 'OEM unlocking' in Android Settings > Developer
(bootloader) Options
FAILED (remote failure)
finished. total time: 0.190s

darkhonor said:
when i try "fastboot oem unlock" it just says:
...
(bootloader) Check 'OEM unlocking' in Android Settings > Developer
(bootloader) Options
FAILED (remote failure)
finished. total time: 0.190s
Click to expand...
Click to collapse
If you're really desperate, you can try this. I can't vouch for its success rate. Be careful.
Moto G8+ Fix/Repair Hard Brick Tutorial
hello everyone i hard bricked my moto g8 plus the other day it was totally dead it couldnt power on there was no sound no vibration my pc couldnt recognise it when connected with usb cable, But i managed to fix it and get it working again the...
forum.xda-developers.com

gfrank227 said:
If you're really desperate, you can try this. I can't vouch for its success rate. Be careful.
Moto G8+ Fix/Repair Hard Brick Tutorial
hello everyone i hard bricked my moto g8 plus the other day it was totally dead it couldnt power on there was no sound no vibration my pc couldnt recognise it when connected with usb cable, But i managed to fix it and get it working again the...
forum.xda-developers.com
Click to expand...
Click to collapse
Since you are able to get into fastboot, perhaps you should start with a blankflash from lolinet and do not take your phone apart quite yet.

When you say you tried to downgrade did you flash the previous version bootloader and partition table? You should never do that, but it sounds like you need to try and flash a blankflash like mentioned above.
One other thing you can try to do, although I doubt it would work since it can't determine the active slot is download the firmware from lolinet then fastboot boot boot.img to try and boot the kernel, which will boot the system. If that does work then you can go into dev settings and check the allow bootloader unlock option.

gfrank227 said:
Since you are able to get into fastboot, perhaps you should start with a blankflash from lolinet and do not take your phone apart quite yet.
Click to expand...
Click to collapse
ok so i tried to blankflash it but i got this error i guess is time to say goodbye jajaj
Motorola qboot utility version 3.86
[ -0.000] Opening device: \\.\COM7
[ 0.005] Detecting device
[ 34.666] ERROR: sahara_greet_device()->change_mode()->do_hello()->IO error
[ 34.666] Check qboot_log.txt for more details
[ 34.666] Total time: 34.668s
FAILED: qb_flash_singleimage()->sahara_greet_device()->change_mode()->do_hello()
->IO error

CodyF86 said:
When you say you tried to downgrade did you flash the previous version bootloader and partition table? You should never do that, but it sounds like you need to try and flash a blankflash like mentioned above.
One other thing you can try to do, although I doubt it would work since it can't determine the active slot is download the firmware from lolinet then fastboot boot boot.img to try and boot the kernel, which will boot the system. If that does work then you can go into dev settings and check the allow bootloader unlock option.
Click to expand...
Click to collapse
well im uncertain of how that is made, i just followed up a tutorial , downloaded official firmware and flashed it with fastboot comands:
fastboot flash partition gpt.bin
fastboot flash bootloader bootloader.img
fastboot flash vbmeta vbmeta.img
fastboot flash modem NON-HLOS.bin
fastboot flash fsg fsg.mbn
fastboot erase modemst1
fastboot erase modemst2
fastboot flash bluetooth BTFM.bin
fastboot flash dsp dspso.bin
fastboot flash logo logo.bin
fastboot flash boot boot.img
fastboot flash dtbo dtbo.img
fastboot flash system system.img_sparsechunk.0
fastboot flash system system.img_sparsechunk.1
fastboot flash system system.img_sparsechunk.2
fastboot flash system system.img_sparsechunk.3
fastboot flash system system.img_sparsechunk.4
fastboot flash system system.img_sparsechunk.5
fastboot flash system_b system_b.img_sparsechunk.0
fastboot flash system_b system_b.img_sparsechunk.1
fastboot flash oem oem.img
fastboot flash oem_b oem_other.img
fastboot flash vendor vendor.img
fastboot erase carrier
fastboot erase userdata
fastboot erase ddr
fastboot oem fb_mode_clear
fastboot reboot
and yeah i tried flashing the newest official firmware that rescue and smart assistant showed, but since i cannot determine slot it says "failed to identify current slot"

Yeah it looks like that would have flashed the previous version of androids parttition table for that device from the commands you ran and that's usually a rip.

CodyF86 said:
Yeah it looks like that would have flashed the previous version of androids parttition table for that device from the commands you ran and that's usually a rip.
Click to expand...
Click to collapse
So there's no other way to fix it?

[SOLVED] Unable to flash boot image - Pixel 4a

I have been using this method to flash new stock update every month to my rooted pixel 4a.
Steps I follow:
- Download the factory image of the last month
- Extract the boot.img. And patch it using magisk canary build
- Move the boot.img to the computer and flash it in fastboot mode
- flash the complete image
- Reroot the phone using magisk
This time with January update, I am getting stuck on step 3. Everytime I try to flash the bootloader image using the command:
C:\platform-tools>fastboot flash bootloader "C:\platform-tools\magisk_boot.img.img"
I get the following error:
Sending 'bootloader' (65536 KB) OKAY [ 1.609s]
Writing 'bootloader' FAILED (remote: 'No such file or directory')
fastboot: error: Command failed
No, It isn't booted in fastbootd mode. I am using correct Fastboot mode using the hotkeys
Kindly assist. Thank you

Your fastboot may be old... Upgrading it might help.
Or you might be able to use fastboot boot patched.img to get temporary root and use Magisk manager to install (direct) to make it permanent. That's what I do, and it's always worked.

Absarock said:
I have been using this method to flash new stock update every month to my rooted pixel 4a.
Steps I follow:
- Download the factory image of the last month
- Extract the boot.img. And patch it using magisk canary build
- Move the boot.img to the computer and flash it in fastboot mode
- flash the complete image
- Reroot the phone using magisk
This time with January update, I am getting stuck on step 3. Everytime I try to flash the bootloader image using the command:
C:\platform-tools>fastboot flash bootloader "C:\platform-tools\magisk_boot.img.img"
I get the following error:
Sending 'bootloader' (65536 KB) OKAY [ 1.609s]
Writing 'bootloader' FAILED (remote: 'No such file or directory')
fastboot: error: Command failed
No, It isn't booted in fastbootd mode. I am using correct Fastboot mode using the hotkeys
Kindly assist. Thank you
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fastboot flash boot
And not
fastboot flash bootloader
Cheers!

Typhus_ said:
fastboot flash boot
And not
fastboot flash bootloader
Cheers!
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Click to collapse
Thank you, sir. It helped

a1291762 said:
Your fastboot may be old... Upgrading it might help.
Or you might be able to use fastboot boot patched.img to get temporary root and use Magisk manager to install (direct) to make it permanent. That's what I do, and it's always worked.
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I tried updating fastboot. Didn't work.
Either way I was able to solve by using the command boot_b instead of bootloader. B being the partition

Question stuck in fastboot mode

after unlocking my bootloader i tried to flash magisk.zip in fastboot mode by typing fastboot flash boot magisk.zip
now im stuck in fastboot mode. Enter reason: boot failure
with oneplus devices you can always go back to stock with msm tool. is there anything like that for pixel devices? or did i just turn my new phone into a shiny new paper weight?

barbosa212 said:
after unlocking my bootloader i tried to flash magisk.zip in fastboot mode by typing fastboot flash boot magisk.zip
now im stuck in fastboot mode. Enter reason: boot failure
with oneplus devices you can always go back to stock with msm tool. is there anything like that for pixel devices? or did i just turn my new phone into a shiny new paper weight?
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Click to collapse
To root you flash the patched boot image (the one you patched in Magisk), not magisk.zip.
Try flashing the stock boot image to get back to normal and then flash the patched boot image in fastboot.
See this guide.

Lughnasadh said:
To root you flash the patched boot image (the one you patched in Magisk), not magisk.zip.
Try flashing the stock boot image to get back to normal and then flash the patched boot image in fastboot.
See this guide.
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Sending 'boot_a' (65536 KB) OKAY [ 1.715s]
Writing 'boot_a' (bootloader) unable to update boot image: use unmerged...
OKAY [ 0.144s]
Finished. Total time: 1.897s
now im at "waiting for rescue commands..." what do?

barbosa212 said:
Sending 'boot_a' (65536 KB) OKAY [ 1.715s]
Writing 'boot_a' (bootloader) unable to update boot image: use unmerged...
OKAY [ 0.144s]
Finished. Total time: 1.897s
now im at "waiting for rescue commands..." what do?
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i held the power button until it rebooted successfully. Thank you so much

barbosa212 said:
i held the power button until it rebooted successfully. Thank you so much
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Click to collapse
If you want to root/flash, I recommend PixelFlasher. A simple and effective tool and saves you from trouble!