[Q] how to unlock celkon A8+ bootloader ? - Android General

i have celkon devise it is running android 4.0.1 , i attempted to root it the root was successful and had no problem admin access but it did not
unlock the boot loader of my mobile . i want to unlock my mobile's boot loader please help me
Additional info :-
when i press powerbutton and volume up
it says spreadtrum factory test phone test factory use
and gives me these options :-
1) full phone test
2) view phone test result
3) item test
4) bt eut
5) exit
but these options are not related to bootloader please help me to unlock my bootloader

Related

Nexus 5X Stuck on fastboot mode, won't open up recovery mode

Hi pals,
My excuses if this sort of problem that I post (English is not my native language, so I am sorry for any spelling mistakes), is already posted earlier.
My Nexus 5X is currently stuck on Fastboot mode with the following specifications:
FASTBOOT MODE
PRODUCT_NAME - bullhead
VARIANT - bullhead LGH791 32GB
HW VERSION - rev_1.0
BOOTLOADER VERSION - BHZ11m
BASEBAND VERSION - M8994F-2.6.37.2.21
CARRIER INFO - N/A
SERIAL NUMBER - 00ce1aff0bcc3ea6
SIGNING - production
SECURE BOOT - enabled
DEVICE STATE - unlocked
As you can see, I already unlocked my bootloader with help from the Nexus Root Toolkit. My device is currently in Fastboot mode. The working functions are Restart bootloader and Power Off. Neither Recovery mode and / or Start.
But I can root my Device with help from Nexus Root Toolkit.. When I do that, a TRWP warning pops up, and it says that I don't currently have a OS on my device and that I sure want to do this.
So, my questions now are:
-How can I get to the original OS?
-How to unroot my device?
Edit 1: After I chose the option 'Flash Stock + Unroot' on the Nexus Root Toolkit program, my device is now stuck on the Google logo with a unlocked bootloader, after everything is finished in the Command Prompt.
Any help would be appreciated.
Thanks in advance!
Update 1: I chose the OEM Lock option in the Nexus Root Toolkit program, and I don't have a unlocked bootloader anymore by startup. But my device is still stuck at the Google screen... I created a AB backup before I wanted to root my device, should I apply that backup now to my device?
Best way to fix it is to post in NEXUS 5X FORUM! btw i think its emmc failure, as many 5x got this..

Stuck in bootloop after flashing rom

I recently bought a Note 7 Pro wich is stuck in bootloop after flashing a rom. The guy couldn't give me that much details ...
What I encountered so far:
- might be chinese device (how can this be verified ?)
- bootloop to recovery with message: ... can't install this version "
- bootloader is locked at the moment / not sure if it was unlocked before
- Fastboot is accessible
- tried some updates via xiaomiadb - but without success.
--> China stable & developer recovery rom lead to errors: network carrier type different
--> Global V11 rom is accepted by tool but, leads again to bootloop with error message ...
Therefore I am not sure how to continue. Any hints ?
Thanks,
Oli
Hi, as u are saying that u stuck in bootloop in note 7 pro Answer - the reason is t
Hi, as u are saying that u stuck in bootloop in note 7 pro
Answer - the reason is that ur phone bootloader needs to be unlocked in order to flash any rom Or OEM image or else fastboot recovery image
Normally when phone stuck in bootloop we do flash via mi flash toot app using fastboot recovery image only.
Otherwise u will get error for sure ?
Now ur phone has a bootlock so u have to go to service centre and they will do recovery by opening back panel of phone and they will charge you around 350 plus tax if it is out of warranty
audischrauber said:
I recently bought a Note 7 Pro wich is stuck in bootloop after flashing a rom. The guy couldn't give me that much details ...
What I encountered so far:
- might be chinese device (how can this be verified ?)
- bootloop to recovery with message: ... can't install this version "
- bootloader is locked at the moment / not sure if it was unlocked before
- Fastboot is accessible
- tried some updates via xiaomiadb - but without success.
--> China stable & developer recovery rom lead to errors: network carrier type different
--> Global V11 rom is accepted by tool but, leads again to bootloop with error message ...
Therefore I am not sure how to continue. Any hints ?
Thanks,
Oli
Click to expand...
Click to collapse
Had you applied for Bootloader unlocking? If you had using MI Unlock tool, then wait for the time being until the time period is over and unlock the bootloader. It may work. Also, if you have stock recovery you may confirm with others and install stable OTA updates for the ROM to see if it fixes the device.
No. I did not try to unlock the bootloader. I received the phone in that bootloop and only did one attempt to recover through xiaomiadb with mentioned error.
Is there no other way to escape except going to a shop ?

How can I unlock bootloader Oppo A3s

How can I unlock bootloader and install GSI on my Oppo A3s
I've try many tutorials, they all said that I have to install Magictricks in Stock Recovery Mode but it failed to install.
Somebody please help!!
It is possible to open edl mode through recovery mode in oppo a3s . I have the device and i tried it ( it works ). Tap hold version in recovery it will show a pop up for confirmation to proceed , to exit from edl mode press power button for 15 seconds . But i don't know how to unlock bootloader from edl mode . plzz help

how to flash a bricked vivo v3

please provide a step by step tutorial to flash stock or any rom on vivo v3 phone.
please help me
pls guys HELP
You flash phone's Stock ROM by means of ADB Sideload method what of course requires you have USB-Debugging enabled in phone's Android -> Settings -> Developer options before and phone re-booted afterwards.
To flash a suitable Custom ROM it's required by means of Fastboot to boot into a suitable Custom Recovery what of course requires you have successfully unlocked phone's bootloader before - that requires you have applied OEM Unlock in phone's Android -> Settings -> Developer options - , and afterwards flash the suitable Custom ROM from within the Custom Recovery's menu.
i have briceked my phone how to i repair that, please tell me
bruh go recovery > usb update > adb sideload(Pc need) done

Question The device cant open after unlock bootloader

hello guys i have a problem when i root the device
i unlock bootloader then reboot after that the device is looping cant start up
any fix or wipe option
tried vol up + power i got
<!>
i think its Brick so any unbrick tool

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