how to unlock bootloader using cmd commands - Sony Xperia E3

hello everyone my xperia e3 is rooted and i want to unlock the bootloader using the cmd commands shown in youtube.but when i try those commands at last the status says the the "device is already rooted"
should i remove the root to try unlocking the bootloader or how to continue futhur process for unlocking bootloader?

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[Q] Unable to unlock bootloader

Hi,
I tried to unlock my bootloader via flash tool, but for some reason, my rooting status (my bootloader) is unknown (before was unlockable). I relocked and unlocked it again but still no luck. I flashed the latest firmware with flashtool.. but my bootloader's status is still unknown. The device is rooted and verified. What i must to do to have back bootloader to unlockable?
Please help..
use fastboot commands
Ebin Matthew said:
Hi,
I tried to unlock my bootloader via flash tool, but for some reason, my rooting status (my bootloader) is unknown (before was unlockable). I relocked and unlocked it again but still no luck. I flashed the latest firmware with flashtool.. but my bootloader's status is still unknown. The device is rooted and verified. What i must to do to have back bootloader to unlockable?
Please help..
Click to expand...
Click to collapse
i was also facing trouble unlocking the boot loader using flashtool, how-ever i used fastboot commands, it worked fine for me, use following commands in fastboot mode
fastboot.exe -i 0x0fce oem unlock ..........
after unlock use your key

unlocking bootloader

while unlocking bootloader on the command prompt window i gave first command ''fastboot'" devices and it succeded but when i entered the second command correctly along with the key it showed failed to command ,,plssss help i want to unlock the bootloader
Which method you used for unlocking bootloader and which phone you are using

[Q][LB][D2306][.182] Unlockable bootloader : No

Dear all senior members,
Can I seek a kind attention?
My M2 (D2306) has no permission to unlock the boot loader. I've the unlock code via email. But, it says "command not allowed" when I tried fastboot via cmd. Even flashtool failed to unlock it.
What can I do to unlock it??? I'm using .182 build version.
szDevil said:
Dear all senior members,
Can I seek a kind attention?
My M2 (D2306) has no permission to unlock the boot loader. I've the unlock code via email. But, it says "command not allowed" when I tried fastboot via cmd. Even flashtool failed to unlock it.
What can I do to unlock it??? I'm using .182 build version.
Click to expand...
Click to collapse
Hi, if you have "Bootloader unlock allowed: no" in the Service Menu then you can't unlock it.
There is nothing you can do to change it from NO to yes where it says bootloader unlock allowed NO, the only way to change this is to change the device for one that says bootloader unlock allowed yes

Bootloader unlock allowed changed after trying to unlock

Hello,
I tried to unlock my bootloader following the guide stickied in general. I got the message from minimal adb and fastboot the unlock was succesful, now when I try to root it fails on install, so I went to check the status through the # code thingy. Before it said yes, now it says no.. What happened?

Vivo y21l bootloader unlock?

i tried to unlock my vivo y21l using adb command "fastboot oem unlock" but i get an error saying "device lock" message but my phone get identified by adb command so it's not a driver problem.is there any other way to unlock the bootolader? i just want to root my phone but not any one click methods are working so i guess it's because of locked bootloader maybe.thanks for anyone who can help.
Imalka Muthukumara said:
i tried to unlock my vivo y21l using adb command "fastboot oem unlock" but i get an error saying "device lock" message but my phone get identified by adb command so it's not a driver problem.is there any other way to unlock the bootolader? i just want to root my phone but not any one click methods are working so i guess it's because of locked bootloader maybe.thanks for anyone who can help.
Click to expand...
Click to collapse
Hi I can see you have already asked this before here
https://forum.xda-developers.com/showthread.php?t=3584719
You can bump your original post once every 24 hours but please don't create duplicate threads
Kind Regards
Sawdoctor

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