[Q] How can I clear bootloader? - LG Optimus Black

If the cell phone stuck on LG logo on screen I guest ,the bootloader is problem.How can I clear bootloader?

Related

is htc logo screen goes blank

after the ruu files ..
the device does not turn the screen remains black after the logo of a solution
Could you explain a bit more what you did ?
If you tried to unlock your bootloader, normaly you should just restart your nexus one at the end of the process.

Help Please :(

Just unlocked my bootloader now my phone wont start all it does is get to the sony logo then the coloured waves then freezes and restarts
any help would be appreciated thx
Go into recovery mode and make full wipe.

[Q] [Help] Phone reboots after unlocking.

I've installed the stock One_3.62.401.1_odexed.zip ROM on my phone. Now after I unlock the phone (swipe up) it shows me the green HTC logo and reboots about a minute later.

HTC One stuck in bootloop, can't use bootloader

My phone is completely unrooted, I just did a quick weak sauce root back on 4.4 which was patched with 5.0 I Uninstalled weaksauce2 and my phone has been unrooted and locked ever since. Suddenly I got a restart message in the middle of using my phone and my phone started looping yesterday.
When I try to enter the bootloader I can't do anything. The second I try to scroll down it splashes the HTC logo and then restarts.
Turning off the phone and turning it back on and attempting to enter bootloader doesn't fix anything, I can't access recovery. The closest I can come to operating the bootloader is mashing the power button to select fastboot, which just causes the screen to go black instead of splash the HTC logo before looping again.
Is there any way to fix this (or at least get the data off of it) or is my phone officially hard bricked?
Bump.
Braindawg said:
My phone is completely unrooted, I just did a quick weak sauce root back on 4.4 which was patched with 5.0 I Uninstalled weaksauce2 and my phone has been unrooted and locked ever since. Suddenly I got a restart message in the middle of using my phone and my phone started looping yesterday.
When I try to enter the bootloader I can't do anything. The second I try to scroll down it splashes the HTC logo and then restarts.
Turning off the phone and turning it back on and attempting to enter bootloader doesn't fix anything, I can't access recovery. The closest I can come to operating the bootloader is mashing the power button to select fastboot, which just causes the screen to go black instead of splash the HTC logo before looping again.
Is there any way to fix this (or at least get the data off of it) or is my phone officially hard bricked?
Click to expand...
Click to collapse
If your bootloader is unstable there not much you can do. Are you able to post the output of "fastboot getvar all"? Does "fastboot oem rebootRUU" brings you in RUU mode?

Bootloop AND not working Bootloader

Hi Guys,
I hope that anybody can help me to fix this problem.
My girlfriends phone doesn´t work at all since yesterday. Probably she installed a new update or anything else and now her htc one m7 is stuck in a bootloop. The problem: Everytime I open the bootloader via pressing on/off + vol. down the bootloop continues and I can´t select one of the options.
I think it is not possible to get the data from the phone, isn´t it?
But does anybody have an idea how to fix this bootloop problem?
vibration - black screen - htc logo - black screen ... and so on.
Also it is not possible to get access via computer because win doesn´t recognise the connection as long it is stuck in this loop.
Greetz, Slamdunk
Slamdunk92 said:
Hi Guys,
I hope that anybody can help me to fix this problem.
My girlfriends phone doesn´t work at all since yesterday. Probably she installed a new update or anything else and now her htc one m7 is stuck in a bootloop. The problem: Everytime I open the bootloader via pressing on/off + vol. down the bootloop continues and I can´t select one of the options.
I think it is not possible to get the data from the phone, isn´t it?
But does anybody have an idea how to fix this bootloop problem?
vibration - black screen - htc logo - black screen ... and so on.
Also it is not possible to get access via computer because win doesn´t recognise the connection as long it is stuck in this loop.
Greetz, Slamdunk
Click to expand...
Click to collapse
If you can't get in the bootloader there is not much you can do...
Retreiving data from it will require the phone to be already bootloader unlocked, if its not already unlocked , unlocking it will wipe everything.
When you go to the black screen, just hit volume down. That's been getting me out of my boot loop into bootloader.
Or, power off completely (hold power down during your loop until it goes off), wait a bit, then try rebooting with volume down + power.

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