[Q] anyone help me to install CM11 on my 4X - LG Optimus 4X HD

im trying to install CM11 on my 4X
my phone didnt unlocked
so im unlocking it
but i tried all ways from google, but its still locked
version is P88020b-262-000
4.1.2
i made superSU
and checked Superuser is enabled
but after turn it off and turn on with power button+volume up key
cant go into of fastboot mode
and when i check my status of "bootloader unlock check" with number 3845#*880#
it says "lock"
how i can solve this problem?
my computer is windows XP , installed LG USB,
and downloaded recovery.img,
my phone has SuperSU, Rom manager
succeed in installing CM11 on my 4x

How exactly did you try to unlock the bootloader?
There are plenty of tuts and tools on this forum. If you're trying the 'fastboot oem unlock' one, I don't believe you need to boot into fastboot mode manually.. Make sure you have ADB and the latest drivers installed, connect your phone with USB debugging turned on and type the few commands mentioned in unlocking threads.
Sent from my Nexus 7 using xda app-developers app

balloon27 said:
How exactly did you try to unlock the bootloader?
There are plenty of tuts and tools on this forum. If you're trying the 'fastboot oem unlock' one, I don't believe you need to boot into fastboot mode manually.. Make sure you have ADB and the latest drivers installed, connect your phone with USB debugging turned on and type the few commands mentioned in unlocking threads.
Sent from my Nexus 7 using xda app-developers app
Click to expand...
Click to collapse
fastboot oem unlock? which tutorial can i see?
and could you tell me what "open a terminal" is?
i dont understand what terminal is....

For the love of God man.... O.O
Sent from my LG-P880 using Tapatalk

dimi89 said:
For the love of God man.... O.O
Sent from my LG-P880 using Tapatalk
Click to expand...
Click to collapse
thanks for the advise.
i joined here for a long time ago...but i havent come here for a long time since i joined
im kind of new here
i didnt know that there is Thanks button....
thanks for notice ~

aqua06 said:
thanks for the advise.
i joined here for a long time ago...but i havent come here for a long time since i joined
im kind of new here
i didnt know that there is Thanks button....
thanks for notice ~
Click to expand...
Click to collapse
Since you dont know what is terminal i honestly dont think it is good idea to try to unlock bootloader on your device...Honestly.

aqua06 said:
im trying to install CM11 on my 4X
my phone didnt unlocked
so im unlocking it
but i tried all ways from google, but its still locked
version is P88020b-262-000
4.1.2
i made superSU
and checked Superuser is enabled
but after turn it off and turn on with power button+volume up key
cant go into of fastboot mode
and when i check my status of "bootloader unlock check" with number 3845#*880#
it says "lock"
how i can solve this problem?
my computer is windows XP , installed LG USB,
and downloaded recovery.img,
my phone has SuperSU, Rom manager
please help me
Click to expand...
Click to collapse
Read FAQ. This is only think that U need to do.

Related

[Q] Xperia T wont stay in fastboot mode?

This has probably been asked many times before but ive rooted my xperia t and want to unlock the bootloader so I can install pacman rom, however when i hold the volume up and plug in the usb cable, the blue light stays on for around 5 seconds and then goes into charging mode, many people say to wait for it to show up in the device manager and install it manually which i keep trying to do but so far no luck so is there anyone who would gladly show me a noobs way of doing it as im following this guide at the moment.
http://www.youtube.com/watch?v=TrP-IBuAeN0
Thanks all.
dav08094194 said:
This has probably been asked many times before but ive rooted my xperia t and want to unlock the bootloader so I can install pacman rom, however when i hold the volume up and plug in the usb cable, the blue light stays on for around 5 seconds and then goes into charging mode, many people say to wait for it to show up in the device manager and install it manually which i keep trying to do but so far no luck so is there anyone who would gladly show me a noobs way of doing it as im following this guide at the moment.
http://www.youtube.com/watch?v=TrP-IBuAeN0
Thanks all.
Click to expand...
Click to collapse
Do you installed drivers in flashtool?
Sent from my Sony Xperia™ sola using XDA Premium App
I downloaded flashtool and ran emma.exe and it said it was installing drivers but every time i try to put the phone in fastboot its still the same, Coming from samsung where its one click and its done it really annoys me not being able to do it. Is there any quide around which is better than the one im using and actually works? thanks
Ben Ling said:
Do you installed drivers in flashtool?
Sent from my Sony Xperia™ sola using XDA Premium App
Click to expand...
Click to collapse
Anyone know whats wrong? when I try to install the .inf file it warns me that there not signed and fails anyway? really have no clue what to try now?
Are you on windows 8?
Sent from my LT30p, 4.1.2 stock, DooMKernel v7,root access, unlocked bootloader.
I remember having this problem but can't remember how I solved it.
Sent from my LT29i using xda premium
you have to boot into safe mode and install the drivers that way.
It may not be called safe mode in win 8, but its something like that
RE: Xperia T wont stay in fastboot mode?
I have the same problem has anyone figured it out yet i cant do it in safe mode
had the same issue, but with me the problem was w8, if you are on window 8 you need to disable driver verification or something like that, i recomend, doing it on a windows 7 pc
I have windows 7 but did not work, can using a laptop affect the driver installation?
No, I use a win 7 laptop
Sent whilst sat on the toilet.
Ok that's good because my desktop is quite slow. Could you tell me what you did exactly, I think I might be doing it wrong?
prob not, try on a other pc?
ArmaNineTSeven said:
prob not, try on a other pc?
Click to expand...
Click to collapse
Thanks, i did and i got in to boot loader, thankyou!

Help with Xperia z (soft brick?)

Hi I've been looking through the forums and haven't been able to find anything to help with this. Recently I rooted my phone and tried installing CM10.1. As I was doing the process trough CWM it all seemed to work fine until I went to reboot the phone and it was supposed to restart instead it never booted up again. When I hold down the power button it vibrates but nothing happens. When I put it to charge the red LED lights up and when I connect it to the computer it recognizes that something is connected in the USB but doesn't recognize what it is. Sony is giving me trouble for repair because I bought it internationally (UK variant). Any help would be very much obliged, thanks in advance.
skilledslav said:
Hi I've been looking through the forums and haven't been able to find anything to help with this. Recently I rooted my phone and tried installing CM10.1. As I was doing the process trough CWM it all seemed to work fine until I went to reboot the phone and it was supposed to restart instead it never booted up again. When I hold down the power button it vibrates but nothing happens. When I put it to charge the red LED lights up and when I connect it to the computer it recognizes that something is connected in the USB but doesn't recognize what it is. Sony is giving me trouble for repair because I bought it internationally (UK variant). Any help would be very much obliged, thanks in advance.
Click to expand...
Click to collapse
Flash jb 4.2.2 stock with flashtool
Sent from my C6603 using xda premium
Hi, for some reason I can't make an Emma account I've tried tons of times, is there any other way?
Happened to me as well.... Just flash a stock firmware using flashtool
Sent from my C6602 using xda premium
Yes
..flashing stock ..can only help u..
No other way!..
Btw..
Did u also unlock the bootloader?
That is the problem maybe!
Sent from my C6603 using xda premium
Aka91 said:
Yes
..flashing stock ..can only help u..
No other way!..
Btw..
Did u also unlock the bootloader?
That is the problem maybe!
Sent from my C6603 using xda premium
Click to expand...
Click to collapse
Hi, yeah I unlocked the bootloader and everything. I'll try and flash it but whenever I sign up for an emma account I never get a reply so I can't use it Is their anything specific I should do when making an account? Thanks
skilledslav said:
Hi, for some reason I can't make an Emma account I've tried tons of times, is there any other way?
Click to expand...
Click to collapse
skilledslav said:
Hi, yeah I unlocked the bootloader and everything. I'll try and flash it but whenever I sign up for an emma account I never get a reply so I can't use it Is their anything specific I should do when making an account? Thanks
Click to expand...
Click to collapse
Did anyone mention emma? Just use flashtool, like 2 people have already said. There's a tutorial in the general section.
http://forum.xda-developers.com/showthread.php?t=2240614
Sent from my C6603 using Tapatalk 2
kingvortex said:
Did anyone mention emma? Just use flashtool, like 2 people have already said. There's a tutorial in the general section.
http://forum.xda-developers.com/showthread.php?t=2240614
Sent from my C6603 using Tapatalk 2
Click to expand...
Click to collapse
Oh just realized that. Thank you very much for the help!
LOL
skilledslav said:
Hi, for some reason I can't make an Emma account I've tried tons of times, is there any other way?
Click to expand...
Click to collapse
Dont download from sony site.. thats emma its different
This is the flashtool you need https://github.com/Androxyde/Flashtool
Like everyone else has said get Flashtool, get firmware, flash firmware and you should be okay. Also make sure you actually went through the whole bootloader process.
6.You should now receive your unique unlock key via EMAIL, SAVE THIS KEY SAFELY
7. Extract fastboot_with_Android_USB_file.rar and open fastboot folder
8. Hold SHIFT and right click on the background of the folder
9. Select 'Open command window here'
10. Connect your phone in fastboot mode (turn phone off, hold Volume UP button and plug in USB Cable) [make sure drivers are installed as explained above)
11. In the cmd windows type in fastboot.exe -i 0x0fce getvar version
12. If a value is returned (it will return 0.5), it means the phone is correctly connected
13. Type in fastboot.exe -i 0x0fce oem unlock 0xKEY and replace KEY with the key which u received earlier.
You're device should now be bootloader unlocked
I didnt follow numbers 6-13 and for a good 2 weeks i was having a really bad time. I would try and flash boot.img and what not and nothing would happen or i would soft brick.

Possible brick....need help!!!

So i think i bricked my phone...started downloading the new venom rom and didnt have all of the files i think...i kept wiping the device because i saw in videos your supposed to before hand....i can no longer get past the htc start up screen and at the bottom it says the devoloper stuff...i can still get into TWRP and wondered if anyone could help me sideload SuperSu or something....it says super SU isnt there and i have to install it but when i swipe to install i get stuck at that first screen...it says i have no Operating system chosen but for that i think i need root (superSu) first? PLEASE HELP. ITS MY SECOND HTC ONE ALREADY...
*EDIT* I AM ALL SET!! IM LEAVCING THIS OPEN BECAUSE SOMEONE SEEMS TO BE HAVING THE SAME PROBLEM. A HUUUUGE THANK YOU TO MEMBER: a box of kittens
mpa927 said:
So i think i bricked my phone...started downloading the new venom rom and didnt have all of the files i think...i kept wiping the device because i saw in videos your supposed to before hand....i can no longer get past the htc start up screen and at the bottom it says the devoloper stuff...i can still get into TWRP and wondered if anyone could help me sideload SuperSu or something....it says super SU isnt there and i have to install it but when i swipe to install i get stuck at that first screen...it says i have no Operating system chosen but for that i think i need root (superSu) first? PLEASE HELP. ITS MY SECOND HTC ONE ALREADY...
Click to expand...
Click to collapse
I can help, first I need to know which HTC One you have, what carrier.
Once youve found out which carrier head over to the sticky with all the stock RUUs and download the one for your phone and carrier (if youre soff then just download anyone) then hold power and vol down to get into bootloader, press fastboot. Plug in your phone and dont touch it... Open up command prompt (assuming youre on windows) and go to your fastboot location... Type in "fastboot oem lock" wait for it to relock youe bootloader... Then type "fastboot rebootRUU" then wait til your phone shows a different screen, the RUU one. Now open up the RUU .exe and run it. Your phone will now be at stock.
That should work if you have fastboot working.
Sent from my HTC One using xda app-developers app
This is why you shpuldnt root your phone if you have no knowledge of adb and fastboot...
Ecks Em Ell said:
I can help, first I need to know which HTC One you have, what carrier.
Once youve found out which carrier head over to the sticky with all the stock RUUs and download the one for your phone and carrier (if youre soff then just download anyone) then hold power and vol down to get into bootloader, press fastboot. Plug in your phone and dont touch it... Open up command prompt (assuming youre on windows) and go to your fastboot location... Type in "fastboot oem lock" wait for it to relock youe bootloader... Then type "fastboot rebootRUU" then wait til your phone shows a different screen, the RUU one. Now open up the RUU .exe and run it. Your phone will now be at stock.
That should work if you have fastboot working.
Sent from my HTC One using xda app-developers app
Click to expand...
Click to collapse
Black HTC One 32GB AT&T Variant....i do have windows.....and im a BIG NOOB when it comes to this and dont know if i'll be able to find and do what you said...i know how to open the command prompt but idk what to really do...ill try and look for those RUU's i guess. i will literally send you some money if you can help me stop this nightmare.
Can you just message me on gtalk or email me this will be easier
[email protected] I don't want your money too
---------- Post added at 05:38 PM ---------- Previous post was at 05:36 PM ----------
Actually this is very easy... Adb push a Rom then flash it
mpa927 said:
Black HTC One 32GB AT&T Variant....i do have windows.....and im a BIG NOOB when it comes to this and dont know if i'll be able to find and do what you said...i know how to open the command prompt but idk what to really do...ill try and look for those RUU's i guess. i will literally send you some money if you can help me stop this nightmare.
Click to expand...
Click to collapse
Do you have sdk installed?
Sent from my HTC One using xda app-developers app
I got him up and running
a box of kittens said:
I got him up and running
Click to expand...
Click to collapse
I don't suppose you could do the same for me?, I'm in exactly the same boat, Factory unlocked HTC One, can only get into bootloader and TWRP, no OS installed, can't get mass storage or HTC MTP drivers installed so not way to get a new OS on...... I'm an idiot., If anyone can help I would appreciate., tried the steps in post 2 but command prompt just says waiting for device.
Sorry for the thread hijack, its just that its virtually exactly the same as whats happened to me.
Islandsnapper said:
I don't suppose you could do the same for me?, I'm in exactly the same boat, Factory unlocked HTC One, can only get into bootloader and TWRP, no OS installed, can't get mass storage or HTC MTP drivers installed so not way to get a new OS on...... I'm an idiot., If anyone can help I would appreciate., tried the steps in post 2 but command prompt just says waiting for device.
Sorry for the thread hijack, its just that its virtually exactly the same as whats happened to me.
Click to expand...
Click to collapse
I'm at work right now ...you can email me at 540 pacific time
a box of kittens said:
I'm at work right now ...you can email me at 540 pacific time
Click to expand...
Click to collapse
Thank you, thats about 3 hours away?.. Sorry Im in the UK so guessing.
Nice to see you are a red, I was born in Liverpool and a red too. :good:
Im not sure what info you want?... much appreciated anyway, thank you.

[Q] problem to unlook bootloader.

Hello...maby this sound stupid but im a little noobish.
I hav seched and tryed all kinds off unlocking i kan find here on google and on youtube. But noone work. In the CMD when i tipe in the code: adb....and so on i get e message that it cant find my device.
But everytime when i connect the phone it comes upp on my computer so i ca se that it find my device.
Dose annyone know what to do?
Ps: it did go well to root the phone but not this.
Sent from my LG-P880 using xda app-developers app
Did you try the tutorials from XDA itself? The YouTube tuts are often not this good for beginners. Did you set the environment the right way?
- all drivers (fast boot is very important)
- newest adb
- newest LG software (for drivers)
- all settings on the device itself (?)
PS: Look for your baseband version,
If it has EUR-XXX in it, it should work.
Same for 262-000. At least those two
I know will work flawlessly.
EDIT: http://forum.xda-developers.com/showthread.php?p=40011764
Best tutorial in my opinion
Sent from my LG-P880
FD1999 said:
Try this: Settings > Developer options > Enable USB Debugging
Gesendet von meinem LG-P880 mit Tapatalk 4 Beta
Click to expand...
Click to collapse
yes im a noob but im not stupid ofcourse i cheked it.
Omario-242 said:
Did you try the tutorials from XDA itself? The YouTube tuts are often not this good for beginners. Did you set the environment the right way?
- all drivers (fast boot is very important)
- newest adb
- newest LG software (for drivers)
- all settings on the device itself (?)
PS: Look for your baseband version,
If it has EUR-XXX in it, it should work.
Same for 262-000. At least those two
I know will work flawlessly.
EDIT: http://forum.xda-developers.com/showthread.php?p=40011764
Best tutorial in my opinion
Sent from my LG-P880
Click to expand...
Click to collapse
yes now i have dubbel checkt all that, and just when i type: adb reboot oem-unlock i get message instant. device not fund.
i have tryed everything and dont know what to do.
FD1999 said:
Okay okay didn't knew that I'm sorry
BTW, does your PC detects your phone? So you can browse your files on your phone
Click to expand...
Click to collapse
yes it dose, it detect my phone and sd card in phone.
is onley in cmd i get device not found
I had the same problem and it was because of the wrong fast boot drivers (there seem to be different out there) search in the Q&A for fast boot drivers, there should be a thread of me asking for the right ones (there's a link to working drivers)
EDIT: Here's the thread
http://forum.xda-developers.com/showthread.php?t=2231841
EDIT 2: Direct download link, just unpack and install the drivers manually
http://forum.xda-developers.com/attachment.php?attachmentid=1792501&d=1362866765
Sent from my LG-P880
Nice i will look in to it
Sent from my LG-P880 using xda app-developers app
Omario-242 said:
I had the same problem and it was because of the wrong fast boot drivers (there seem to be different out there) search in the Q&A for fast boot drivers, there should be a thread of me asking for the right ones (there's a link to working drivers)
EDIT: Here's the thread
http://forum.xda-developers.com/showthread.php?t=2231841
EDIT 2: Direct download link, just unpack and install the drivers manually
http://forum.xda-developers.com/attachment.php?attachmentid=1792501&d=1362866765
Sent from my LG-P880
Click to expand...
Click to collapse
thank u so mutch, but the drivers in the link dident work so good for me. this time in CMD it started then loading and after maby 5 sec i got the message "device not found" agien.
i did reinstall LG Suport Tool. and uppdated my drivers from there and god damn it worked
thank u for the tip of the drivers
Killah.inc said:
thank u so mutch, but the drivers in the link dident work so good for me. this time in CMD it started then loading and after maby 5 sec i got the message "device not found" agien.
i did reinstall LG Suport Tool. and uppdated my drivers from there and god damn it worked
thank u for the tip of the drivers
Click to expand...
Click to collapse
Nice that you got it at least
Have a good time with your full unleashed 4X
Sent from my LG-P880

[Q] How to install fastboot drivers?

I mean I have to install them on PC or on the phone?
When i'm trying to unlock bootloader it stops when i Press the vol up button.
Then some window appears on my PC trying to search new device. I think it doesn't recognize drivers.
Please tell me How to install fastboot drivers on XP / WIN7
Sent*from my i9300 using Tapatalk
dollar7 said:
I mean I have to install them on PC or on the phone?
When i'm trying to unlock bootloader it stops when i Press the vol up button.
Then some window appears on my PC trying to search new device. I think it doesn't recognize drivers.
Please tell me How to install fastboot drivers on XP / WIN7
Sent*from my i9300 using Tapatalk
Click to expand...
Click to collapse
first of all why volume up ? there is no guide inside all LG forum about volume up. its volume down !
oke. i will try find a link where it shows how to force the driver in. if u do it and still dont work ill show u the hard way using the sdk
I had no LG before so i'm newbie
Is there any chance to fck up this phone trying to unlock bootloader?
Cuz i wanna sell it tommorow but the buyer wants to have unlocked a bootloader.
Up: u havnt answered my question yet.
Sent*from my i9300 using Tapatalk
Didnt find any good enough link.
just try follow exactly what i say.
1. Open the Device Manager
2. Locate the device you want to force to update.
3. Right Click on the device and select "Update Driver Software"
4. Choose "Let me pick from a list of device drivers on my computer"
A list of "compatible drivers will be listed, and a "have disk" Button. click the Have Disk Button and browse to the folder where you saved your driver. when you open the driver folder, the list will be populated with a list of the drivers it has found . Pick the adb testing interface. Done.
---------- Post added at 04:49 PM ---------- Previous post was at 04:47 PM ----------
dollar7 said:
I had no LG before so i'm newbie
Is there any chance to fck up this phone trying to unlock bootloader?
Cuz i wanna sell it tommorow but the buyer wants to have unlocked a bootloader.
Up: u havnt answered my question yet.
Sent*from my i9300 using Tapatalk
Click to expand...
Click to collapse
no it cant be screwd. either u unlock it either not
Alright, ill try it in 2 hours.
Could you give me a link to the fastboot drivers?
I cant find the right ones.
One have 25mb, the other 4mb, i am a Little bit frustrated
Sent*from my i9300 using Tapatalk
dollar7 said:
Alright, ill try it in 2 hours.
Could you give me a link to the fastboot drivers?
I cant find the right ones.
One have 25mb, the other 4mb, i am a Little bit frustrated
Sent*from my i9300 using Tapatalk
Click to expand...
Click to collapse
http://forum.xda-developers.com/attachment.php?attachmentid=2313924&d=1381349920
dont worry it happens to these drivers. all are the same. even if its google adb driver , even if android , anything will do the same work. thing is to let the pc know when u are using adb or not.
One more question.
Do my LG has to be rooted to unlock a bootloader?
dollar7 said:
One more question.
Do my LG has to be rooted to unlock a bootloader?
Click to expand...
Click to collapse
yup http://forum.xda-developers.com/showthread.php?t=2180688

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