LG L9 stuck at logo - LG Optimus L9 P760, P765, P768, P769

Hello guys, so I got this l9 P768 model which is apparently stuck at lg logo screen. I've already tried hard reset ( volume down, lock and home ), but sometimes it get to the home screen where numerous errors come up, such as Unfortunately, home has stopped and etc. Even when I make it work, I get different problems such as not being able to use wi fi, or keyboard, or if i restart it - it gets stuck on logo, again.
Note : Previous user said automatic software update failed to finish the process, so I thought it was the main problem, somehow I managed to start the update, it downloaded filed, but failed to install it ( it was 4.1 update ).
Since I'm complete noob, I'd appreciate if you could give me few hints what should I do first, I know I should flash new firmware, but since I've never done that, some help would be appreciated

Since you're a complete noob, start with reading these forums, General is a good place to start. The answers are here.
Sent from my SM-G920W8 using Tapatalk

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[Q] Troubles with my LG KS20

Hello every one,well i flashed my LG KS20 so many times before,every thing worked just fine,two days ago i hard reseted the phone because it was somehow late after installing few applications,well i hard reset it each time i feel like it was slow(so that won't be for sure the first time). The problem is,when i tried to flash it today,it stops within 15 seconds and it says( error nand write!) when it was writing the assm or something like this,i tried all rom that i have but still the same problem,i don't really know what to do,when i turn on the phone,it bugs on the lg logo screen.
i searched,really searched a lot,but whether i'm a real newbie and i cannot find the solution,or no one passed by this problem before.
what should i do???
Please help me,pleaase!
Hey guys,i finally flashed it(well for now with an old rom,but i'll immediatly flash it with the WM6.5 build),the problem was the usb driver,i tried so many times to reinstall it on my laptop,and each new time it began flashing,and it stop suddenly after 4minutes,and that's exactly when an error message appears telling me that the windows couldn't install the driver device(i'm on Windows 7)
So i switched to my Desktop(with an xp pack 2),i installed the driver,and it worked propely ,cooooooooool

How to fix red triangle?

Hello people. I was trying to install a custom ROM, but i was having problems with the CWM recovery, it said that my phone model was different in installation. All ROMs for the LG P768 had the same problem. Looking for a solution I saw a post saying that would have to update the CWM, so I picked up a newer version. After I installed the latest version, and restarted the phone, at first it didn't turn on, but now after LG's logo appears on the screen that android sign with the red triangle. The same thing happens when I do the hard reset. I've tried using the LG Mobile Support Tools, but gave error on updating. I don't know what else to do. Who can help I thank <3

LG L7 II P710 Lost in emergency mode

Hello everyone!
I am facing a problem after having tried to flash a firmware (V20D) to my LG L7 II P710 phone (not rooted).
I used KDZ_UPLOADER to implement this. Followed all the guidelines. After having done that the LG logo
appeared and it stayed stuck. So I read some forums, here also.
Tried to:
- reflash using KDZ_UP with other firmware versions for the corresponding model.
The result being that either the update failed, or update completed as with the first one,
but the phone still hanged in LG LOGO.
- Check for upgrade fix with LG Mobile Support Tool, the thing told me there are no issues to fix. What is weird, that
the software recognizes the phone to have firmware V20D still.
- Do a hard reset. I do the combination necessary vol down+hot key+power, wait for the logo
to appear and then when it disappears, I release. The result - it reboots, and gets stuck again.
Any would be appreciated.
TuryS said:
Hello everyone!
I am facing a problem after having tried to flash a firmware (V20D) to my LG L7 II P710 phone (not rooted).
I used KDZ_UPLOADER to implement this. Followed all the guidelines. After having done that the LG logo
appeared and it stayed stuck. So I read some forums, here also.
Tried to:
- reflash using KDZ_UP with other firmware versions for the corresponding model.
The result being that either the update failed, or update completed as with the first one,
but the phone still hanged in LG LOGO.
- Check for upgrade fix with LG Mobile Support Tool, the thing told me there are no issues to fix. What is weird, that
the software recognizes the phone to have firmware V20D still.
- Do a hard reset. I do the combination necessary vol down+hot key+power, wait for the logo
to appear and then when it disappears, I release. The result - it reboots, and gets stuck again.
Any would be appreciated.
Click to expand...
Click to collapse
do you try this?
IMPORTANT STEP:
Pull out the battery. Wait 10 seconds put it back. While holding VOLUME DOWN + HOME BUTTON press POWER BUTTON. Wait until you see LG logo and stop pressing POWER. Keep pressing the other 2 until you see android robot doing things. Wait until the phone boots.
CONGRATZ you are on JELLYBEAN (Or the KDZ you chose).
http://forum.xda-developers.com/opt...-how-to-achieve-root-p710-l7-2-t2921271/page8
TuryS said:
Hello everyone!
I am facing a problem after having tried to flash a firmware (V20D) to my LG L7 II P710 phone (not rooted).
I used KDZ_UPLOADER to implement this. Followed all the guidelines. After having done that the LG logo
appeared and it stayed stuck. So I read some forums, here also.
Tried to:
- reflash using KDZ_UP with other firmware versions for the corresponding model.
The result being that either the update failed, or update completed as with the first one,
but the phone still hanged in LG LOGO.
- Check for upgrade fix with LG Mobile Support Tool, the thing told me there are no issues to fix. What is weird, that
the software recognizes the phone to have firmware V20D still.
- Do a hard reset. I do the combination necessary vol down+hot key+power, wait for the logo
to appear and then when it disappears, I release. The result - it reboots, and gets stuck again.
Any would be appreciated.
Click to expand...
Click to collapse
According to http://lg-phone-firmware.com/index.php?id_mod=21,
v20d.kdz is firmware for other phone....
If you have luck (means to have device flashed by non bl/partition table destructive kdz), try to flash ONLY KDZ FOR YOUR MODEL from page provided above.
Use this tool/procedure: http://forum.xda-developers.com/opti...flash-t2988436.
Good luck.
yep v20d is not for lg p710, the last one is v20a/v20c
Sent from my LG-P710 using XDA Free mobile app

[Q] LG Optimus l90 p769 stuck on LG screen say security issue

hello, I downloaded the rashr app from google play, I flashed a new rom and I even made backups to be safe, well when phone came back on its goes to LG opening screen and security issue flashes and then the phone turns off, ive troubleshoot for hours called like 3 help lines master reset , tried it all, is all hope lost did this app brick my phone? someone rescue me please!!!
youngnewp said:
hello, I downloaded the rashr app from google play, I flashed a new rom and I even made backups to be safe, well when phone came back on its goes to LG opening screen and security issue flashes and then the phone turns off, ive troubleshoot for hours called like 3 help lines master reset , tried it all, is all hope lost did this app brick my phone? someone rescue me please!!!
Click to expand...
Click to collapse
If you have a custom recovery installed than you can just flash the stock rom LG has provided for the public.
This happened to me not to long ago. The LG support tool is the software you'll be looking for. Download, install, connect device while holding up and use the tool to do the rest.

h960 reboot problems

I read about the various bootloop problems of the v10. All i read about was that the phone get stucked on the bootscreen. i thought that i got the same problem but my phone isnt stucked there. Its rebooting the whole time like a softreboot cause i dont have to type in my pin again after reboot. I can use it for like a 1min or so before it freezes and reboots again? Can anyone help me or does my phone have the bootloop issue
Yes, that's a bootloop.
Lefruchti said:
I read about the various bootloop problems of the v10. All i read about was that the phone get stucked on the bootscreen. i thought that i got the same problem but my phone isnt stucked there. Its rebooting the whole time like a softreboot cause i dont have to type in my pin again after reboot. I can use it for like a 1min or so before it freezes and reboots again? Can anyone help me or does my phone have the bootloop issue
Click to expand...
Click to collapse
Hello ys there is a chance to fix the probleme 2 ways i think. The first is to flash disable big core cpu with lgup look in youtube there is a video posted for lg g4 i asked the publisher if this tool work either in lg v10 and he tell me yes.the second way that you install apk in your v10 that application stop your smartphone to reboot fix the lag of your phone look either in youtuble if i remember the name i will tell you.good night.

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