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[Completed] stuck at cmd for bootloader ,xperia u

i want to unlock the boot loader and i have downloaded all the required software and all the drivers and even though its not working , I press vol+ button and insert usb at the same time a blue led glows up and there's no response in my system, and it disconnects after 4-5 sec.:crying:
I open cmd in fast boot folder and copy
fastboot.exe -i 0x0fce getvar version
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and then it shows up <waiting for devices>.
I am confused with what am doing, could you please tell me where i am making mistake , and where all i should check up !!!
for this i even upgraded my phone to 4.04

Hi!
Here's a tutorial on unlocking the bootloader for your device....
>*Sony Xperia S, Acro S, Ion*>*Xperia S Android Development*>*[Tutorial] Xperia S/P/U/Sola Bootloader Unlocking & Relocking
Any questions about it can be asked in the thread! ?
Good luck!!

Huawei: (P9 Lite) How to relock bootloader incase you're having problems.

how to relock the bootloader:
First of all you're gonna need:
- A PC/Android SDK/ADB Toolkit
- An android with an unlocked bootloader
- A usb cable connected to the device
I made this thread because I had the same problem but I found a way to fix it! I was trying to load into a corrupted recovery and it kept being stuck on the "Your device is unlocked and cant be trusted, your device is booting now" thingy, but I found my way out and it's really easy!
Tutorial:
Steps:
- 1: Hold the power button down till your phone shuts down and re-open by also holding down the "volume-down" key, so it loads into fastboot.
- 2: Go onto your pc/mac (cmd/terminal) and type the command "fastboot oem relock <your unlock number>". Then it should be something like this:
fastboot oem relock <your unlock number>
(bootloader) The device will reboot and do factory reset...
OKAY [ 15.785s]
finished. total time: 15.785s
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To get your "unlock number" take a look at this:
-We get our Unlock Code for Bootloader, write it somewhere !-
^^^ This is on the emui website = emui . com
(XDA doesnt allow me to add a picture of what I mean because I'm a new user )
If you need more help, leave a comment below! :good::laugh:

Why i got this message that say failed?

Any way to achieve Bootloader Unlock if I've achieved root??

I used the mtk-su and instantly achieved a root with permissive selinux in an adb shell. The development on this subject has basically successfully achieved fully working temp root.
I know the Official Application doesn't support our phones and just crash, but is their any "modifications" I can do with root privileges to cause it to work?
THANKS!

Hello, i'm sorry but i'm afraid to tell you i've got the solution !
Tested on nokia 3.1 TA-1063 00WW-00.3.180-SP04
1. grab your serial number
2. generate a md5 hash with your serial number as input text, That is your bootloader unlocking key !
3. reboot into fastboot mode via adb (adb reboot bootloader)
4. make sure your device is detected (fastboot devices)
5. unlock your bootloader (fastboot oem key your-md5-hash) ex: fastboot oem key 5fd3280b7b61e5e31519a3a1788f13f6
6. enjoy !

pitachu sensei said:
Hello, i'm sorry but i'm afraid to tell you i've got the solution !
Tested on nokia 3.1 TA-1063 00WW-00.3.180-SP04
1. grab your serial number
2. generate a md5 hash with your serial number as input text, That is your bootloader unlocking key !
3. reboot into fastboot mode via adb (adb reboot bootloader)
4. make sure your device is detected (fastboot devices)
5. unlock your bootloader (fastboot oem key your-md5-hash) ex: fastboot oem key 5fd3280b7b61e5e31519a3a1788f13f6
6. enjoy !
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Click to collapse
Did you really test it? Because it's not working. Fastboot will respond to "fastboot oem key" with "OKAY", but it responds like this to any key entered. Bootloader remains locked.

I tried using nokia official bootloader unlock method but the unlock app crashes.

sixline said:
I tried using nokia official bootloader unlock method but the unlock app crashes.
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Because it only works with Nokia 8, confirmed by official support

MilesSeventh said:
Because it only works with Nokia 8, confirmed by official support
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Thats really bad.

zte a7 blade 2019 instant switch to os from fastboot*

Hi, i am loading booting to bootloader from adb with commnad (adb reboot bootloader) this isnt working, only restart its instantly switch to normal os, any ideas ?

Run
Code:
adb reboot
or
Code:
fastboot reboot

oh sorry man, i am idiot, and i am say it wrong.. I trying boot to fastboot but not working instantly switch to os, any ideas please ?

Unlock bootloader if not done yet.

where i unlock bootloader ? In developer settings ? (i have unlocked)

Enabling OEM Unlock in Developer options doesn't unlock the bootlader, it simply prepares the bootloader to get unlocked via fastboot command.
More info here:
How to Unlock Bootloader via Fastboot on Android
Unlocking the bootloader via Fastboot is the easiest thing to do. But not all Android devices support straightforward bootloader unlocking. Many manufacturers put up a setup on their devices to let…
nerdschalk.com

xXx yYy said:
Enabling OEM Unlock in Developer options doesn't unlock the bootlader, it simply prepares the bootloader to get unlocked via fastboot command.
More info here:
How to Unlock Bootloader via Fastboot on Android
Unlocking the bootloader via Fastboot is the easiest thing to do. But not all Android devices support straightforward bootloader unlocking. Many manufacturers put up a setup on their devices to let…
nerdschalk.com
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Only I have a small problem I don't unlock my bootloader via fastboot when it doesn't work :/ It immediately jumps to my system when I boot fastboot, even with a command like ,,adb reboot fastboot"

Matyas66055 said:
Only I have a small problem I don't unlock my bootloader via fastboot when it doesn't work :/ It immediately jumps to my system when I boot fastboot, even with a command like ,,adb reboot fastboot"
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I have new thread, where i am writing all info :/ https://forum.xda-developers.com/t/zte-blade-a7-2019-fastboot-mode-missing.4462035/

I don't know if you are still interested in accessing Fastboot but you can access it using a specific firmware version.
Still, let me tell you that unlocking the bootloader is virtually impossible. Since the well-known generic method doesn't work for the SoC SC9863A, you need to have a special Fastboot's program version and a dedicated private key that only they provide.... and I emphasize the word "dedicated" since apparently ZTE did not use a generic key to sign their ROMS. At least on this device.
Unless they decide to release the key or give support to unlocking the bootloader, all we can do is wait for them to change their minds. Because they don't want to provide it. I know because I tried to order it several times.

I want to root my Nokia 1.4

How can I root my Nokia 1.4 Android 11(Go edition)

Unlock bootloader and flash magisk. Since the device is new, I recon that you will need to wait a couple of months for a guide to pop up. Or you could try your hand with generic guides on web and risk it. Either you unlock and root your device or you hard brick it. Nothing a trip to the service won't fix.

I unlocked bootloader

Bootloader
MD.sajjad said:
I unlocked bootloader
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Can you please share with me how you unlock the bootloader. Because I want to instal Android 12. Please reply bro
Fytdyh said:
Unlock bootloader and flash magisk. Since the device is new, I recon that you will need to wait a couple of months for a guide to pop up. Or you could try your hand with generic guides on web and risk it. Either you unlock and root your device or you hard brick it. Nothing a trip to the service won't fix.
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Click to collapse
Can you tell me how to unlock bootloader please on Nokia 1.4 and root the device so that I can install twrp on it. I'm not a pro in these stuff

Just… go to dev options and enabwl oem unlocking then download platform tools on pc, boot into bootloader, and do an unlock command. Just find a generic, no-Samsung guide.

Arealhooman said:
Just… go to dev options and enabwl oem unlocking then download platform tools on pc, boot into bootloader, and do an unlock command. Just find a generic, no-Samsung guide.
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What's the unlock command
How do I boot into bootloader mode

adb reboot-bootloader
command can be found in fastboot . just type fastboot hit enter and it will give a list of commands