Can't flash TWRP. I just get 'FAILED (remote: Command not allowed)' - Sony Xperia ZR

Hi everyone
I'm in a spot of trouble at the moment with my Xperia ZR.
When I try to flash it via ADB, I get 'FAILED (remote: Command not allowed)'.
My phone is rooted and has an unlocked bootloader.
Can anyone help?
-Gabe

Related

Stock Desire C, bootloader access ok, recovery access not working.

my phone is stock, can access bootloader manually ok (power button and volume down button), but does not access recovery, red triangle and exclamation mark! when trying to access recovery.
Can recovery be installed on a stock phone? I wish to backup my default rom before rooting and moding.
You need to flash a recovery.img I recommend TWRP or Clockwork touch. Search it up here :3
i get this error when trying to flash recovery.img via fastboot.
(bootloader) signature checking...
FAILED (remote: signature verify fail)
finished. total time: 1.489s
i need recovery installed to backup default rom before i unlock!
is there another way to backup rom on unrooted unlock phone?
found ultimate backup tool for windows..
http://forum.xda-developers.com/showthread.php?t=1844032
stevengw said:
i get this error when trying to flash recovery.img via fastboot.
(bootloader) signature checking...
FAILED (remote: signature verify fail)
finished. total time: 1.489s
i need recovery installed to backup default rom before i unlock!
is there another way to backup rom on unrooted unlock phone?
found ultimate backup tool for windows..
http://forum.xda-developers.com/showthread.php?t=1844032
Click to expand...
Click to collapse
So is everything ok with you now ? Or do you still need help ?
that problem comes when either bootloader is unlocked or you do the wrong command fastboot flash recovery [then name of desired recovery.img]
whoamigriffiths said:
So is everything ok with you now ? Or do you still need help ?
Click to expand...
Click to collapse
I was unable to get ulitmate backup tool to work, "adb server out of date." errors.

FAILED <Remote: command not allowed>

I try ublock bootloader mate 8 nxt-dl00 6.0 emui 4.1 give me error i try this command fastboot oem unlock xxxxxxxxx is (bootloader code)
FAILED <Remote: command not allowed> any one help me.

can't install twrp on xperia Z

I have tried with cmd and flashtool to install twrp.img on my rooted Xperia Z, no luck.
My phone shows in fastboot devices but when I write fastboot flash recovery twrp.img in cmd, it says FAILED (remote: Command not allowed). The exact same error is showed in Flashtool.
please help.
Hi, I don't know if you solved it...
Any way you can check this wiki.lineageos.org/devices/yuga/install
I had the same error in cmd, just change <fastboot flash -recovery- twrp.img> for <fastboot flash -boot- twrp.img>

Cant Relock Bootloader

I can't relock my bootloader. Haven't rooted or anything. I unlocked it, couldnt flash the kernel for root so gave up on it and wanted to relock my bootloader. Getting these errors:
c:\adb>fastboot flashing lock_critical
FAILED (Write to device failed (No such file or directory))
fastboot: error: Command failed
Any ideas?
wschamps42 said:
I can't relock my bootloader. Haven't rooted or anything. I unlocked it, couldnt flash the kernel for root so gave up on it and wanted to relock my bootloader. Getting these errors:
c:\adb>fastboot flashing lock_critical
FAILED (Write to device failed (No such file or directory))
fastboot: error: Command failed
Any ideas?
Click to expand...
Click to collapse
Are you sure the kernel didn't flash at all?
I'd recommend flashing a factory image and then trying to lock it just in case something went wrong.
If it still doesn't work is your device showing on CMD using "fastboot devices"?
I'm getting the error device already locked even though my bootloader clearly states that the bootloader is in unlocked. I just flashed the factory image for the phone and still same error. Any ideas?
Rox598 said:
Are you sure the kernel didn't flash at all?
I'd recommend flashing a factory image and then trying to lock it just in case something went wrong.
If it still doesn't work is your device showing on CMD using "fastboot devices"?
Click to expand...
Click to collapse
hello i was able to get it to show up in fastboot devices but i am unable to relock...when i try to get it to relock it goes and says waiting for device even though its in fast boot mode.

HELP! Stuck in fastboot after trying to flash TWRP

OK, This is embarrasing.
The phone is not MI 3, but MI A3.....
MiFlash solved the problem
Hi,
I accidentally tried to flash TWRP to the active partition (a) as "fastboot set_partition b" didn't work.
Now my phone is stuck in fastboot.
I tried flasing using the latest miflash and the ROM from here, but I get missmatch error.
I tried to flash using fastboot: system (returned OK), boot (returnedOK), recovery (returned No such partition) and cache (returned No such partition) but it didn't work.
I also tried booting to TWRP by "fastboot flash recovery twrp.img" and "fastboot reboot" but it reboots to fastboot.
I tried "fastboot boot twrp.img" and get "FAILED (remote: unknown command)"
it says:
downloading 'boot.img'...
OKAY [ 0.897s]
booting...
FAILED (remote: unknown command)
finished. total time: 0.900s
Click to expand...
Click to collapse
I want to revive the phone if that is possible and if not at least recover my data.
Can anyone please help???

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