[Q] I can't unlock bootloader - LG Optimus L9 P760, P765, P768, P769

I have p760 end i followed this guide for unlock my locked bootloader
[2in1GUIDE][JB] Unlock Bootloader and FASTER Root L9 Method
after this comand
C:Android\>adb reboot oem-unlock
Click to expand...
Click to collapse
my device is reboot normally.
Somebody can help me ? Not only I have this type of problem...

Flash v20c or v20a using offline flash method and then type the command
Sent from my P760 using xda app-developers app

mussi96 said:
Flash v20c or v20a using offline flash method and then type the command
Sent from my P760 using xda app-developers app
Click to expand...
Click to collapse
I just flashed v20c Europe open, maybe I will try v20a. which country i must to try ?

MIXer9292 said:
I have p760 end i followed this guide for unlock my locked bootloader
[2in1GUIDE][JB] Unlock Bootloader and FASTER Root L9 Method
after this comand
my device is reboot normally.
Somebody can help me ? Not only I have this type of problem...
Click to expand...
Click to collapse
after flashing V20C Europe Open and waiting for 30 minutes... try doing this.. http://forum.xda-developers.com/showthread.php?t=2119090
then after that... send "adb reboot oem-unlock" command using ADB..

lordairdog said:
after flashing V20C Europe Open and waiting for 30 minutes... try doing this.. http://forum.xda-developers.com/showthread.php?t=2119090
then after that... send "adb reboot oem-unlock" command using ADB..
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ok..I try to fastboot my device,then i write
adb reboot oem-unlock
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Click to collapse
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Related

So close to having it Rooted and unlocked please help

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I get this message
When i try I am ONE step away from it ONE ONE!!!! helpppp plz
syler2012 said:
I get this message
When i try I am ONE step away from it ONE ONE!!!! helpppp plz
Click to expand...
Click to collapse
Im sweating bullets cause i cant unplug the phone it says ..... Y_Y
syler2012 said:
Im sweating bullets cause i cant unplug the phone it says ..... Y_Y
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Click to collapse
on the instructions halpp
What's the issue?
My HTC DNA
I go to the last step before adb reboot which is adb shell dd if=/sdcard/CIDBLOCK.img of=/dev/block/mmcblk0p and it says cannot open for write permission denied
http://forum.xda-developers.com/showthread.php?t=2012346
[HOW TO][VIDEO] Root, Unlock Bootloader, Flash Custom Recovery All Droid DNAs
Follow the videos step by step, that's what I did
My HTC DNA
It will not hurt it to start over. Sounds like your first command window stopped due to adb server out of date issue. Did you notice the first cmd window stopping?
Posted from my damn phone!
syler2012 said:
I go to the last step before adb reboot which is adb shell dd if=/sdcard/CIDBLOCK.img of=/dev/block/mmcblk0p and it says cannot open for write permission denied
Click to expand...
Click to collapse
Op I pmed you check your in box
Sent from my HTC6435LVW using Tapatalk 2

[HELP]Can't flash kernel after flashin 3.4.45 kernel

hey can some one help me ? :/ i flashed this kernel and i want to flash back to the old 2.69 kernel but my pc won't recognise my phone now and i can't flash the old kernel ...(my phone won't go into fastboot mode!)
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Raider_ said:
hey can some one help me ? :/ i flashed this kernel and i want to flash back to the old 2.69 kernel but my pc won't recognise my phone now and i can't flash the old kernel ...(my phone won't go into fastboot mode!)
Click to expand...
Click to collapse
If you can't get into fastboot, try going into download mode and try flashing stock ics with flashtool.
Well had the same problem...was able to fix it by deleting and reinstalling google adb drivers from SDK
Sent from my SK17i using xda premium
Raider_ said:
hey can some one help me ? :/ i flashed this kernel and i want to flash back to the old 2.69 kernel but my pc won't recognise my phone now and i can't flash the old kernel ...(my phone won't go into fastboot mode!)
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Click to collapse
sandy7 said:
Well had the same problem...was able to fix it by deleting and reinstalling google adb drivers from SDK
Sent from my SK17i using xda premium
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The screenshot clearly shows the fastboot drivers are not installed for the device. Reinstall drivers. They might be in flashtool/drivers directory.

What I can install from the SDK to unlock the bootloader

Well, I'm trying to unlock the bootloader in the official way, but I have to install packages in SDK, but if I choose all, there's a bunch of GB I have to download (I have a slow connection), so what I can check and what not?
Here's a screenshot:
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By the way, I have stock ICS .54 ROM and I'm trying to flash a custom kernel for install the experience ROM.
Thanks in advance.
Anyone can reply, please?
manudo said:
Well, I'm trying to unlock the bootloader in the official way, but I have to install packages in SDK, but if I choose all, there's a bunch of GB I have to download (I have a slow connection), so what I can check and what not?
Here's a screenshot:
By the way, I have stock ICS .54 ROM and I'm trying to flash a custom kernel for install the experience ROM.
Thanks in advance.
Click to expand...
Click to collapse
Just Follow this link: http://androidlegend.com/how-to-unlock-bootloader-of-sony-xperia-u-st25i/
There's no other way.
It took just 5 mins for me to download the package and unlock the bootloader.
Harshvijay Nirwan said:
Just Follow this link: http://androidlegend.com/how-to-unlock-bootloader-of-sony-xperia-u-st25i/
There's no other way.
It took just 5 mins for me to download the package and unlock the bootloader.
Click to expand...
Click to collapse
My phone is a Xperia Sola, there's no problem if I use a tutorial for the Xperia U?
manudo said:
My phone is a Xperia Sola, there's no problem if I use a tutorial for the Xperia U?
Click to expand...
Click to collapse
Tutuorial to unlock the bootloader?
Then YES u can.
Whatever, I've unlocked the boot loader yesterday, so I'm trying to flash the ROM now, thanks everyone.
Noticed that only one helped.
Sent from my MT27i using xda app-developers app

Unlocking my bootloader

Does anyone know how to unlock the bootloader for the Alcatel One Touch 4033A also called the one touch pop c3. I've searched so many places and have found nothing. Any help will be appreciated. I've attached a copy of my phone's information according to CPU-Z
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Sent from my ONE TOUCH 4033A using Tapatalk
No one has anything?
D_Dio said:
No one has anything?
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how did you flashed cwm, ive done it using flashify but after that when i try to boot into recovery the phone cant get into it, it just stays for a while on the alcatel logo and then it goes to normal turn on without going to recovery?
Install ADB on your computer. Then go onto your command line interface and type in adb reboot recovery. You should have debugging over USB enabled on your phone. If not, do so.
D_Dio said:
Install ADB on your computer. Then go onto your command line interface and type in adb reboot recovery. You should have debugging over USB enabled on your phone. If not, do so.
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ill try to explain myself better, i try to go to recovery the normal way with the buttons or using quick boot it works with stock recovery but, when i install cwm and then try to enter cwm using any way the phone just stays on the alcatel logo and thats it, how did you install it, fastboot gave me an error, the time i did it was using flashify
It will be great if some one help with above problem as I have same problem.
bump

Please help me!!!!

Please help me. I can't flash rom new rom for my phone
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changevn said:
Please help me. I can't flash rom new rom for my phone
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Click to collapse
Looks like you have not installed LGNPST properly. Go E970 LGNPST links available on pastebin.
jituthejeet said:
Looks like you have not installed LGNPST properly. Go E970 LGNPST links available on pastebin.
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Click to collapse
can you send link to me ? thanks
changevn said:
can you send link to me ? thanks
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Click to collapse
http://forum.xda-developers.com/showthread.php?t=2668412
adfurgerson said:
http://forum.xda-developers.com/showthread.php?t=2668412
Click to expand...
Click to collapse
I have tried this way but not be at 85% my devices not boot and appear error: fail to write Partition PrimaryGPT 512th sector
changevn said:
I have tried this way but not be at 85% my devices not boot and appear error: fail to write Partition PrimaryGPT 512th sector
Click to expand...
Click to collapse
Had this issue on my pc, had to do whole process on a different pc.
luisoman2000 said:
Had this issue on my pc, had to do whole process on a different pc.
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Click to collapse
trying hard on windownXP and win7 but nothing
changevn said:
trying hard on windownXP and win7 but nothing
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Click to collapse
Forgot. To ask, is your phone rooted? Did you unlock your bootloader?
Sent from my LG-E970 using Tapatalk
I have the same problem.
adipec said:
I have the same problem.
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Click to collapse
are you rooted? you could try teenybin method to flash.
Works!!thanks

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