[Q] Please Help! can't swicht on - stop on LG logo - LG Optimus 4X HD

Hello,
I'm new and I just starting.
Everything going well, but when I want to install CMW I made an error, I don't unlock bootloader before the install, and now when I switch on my phone (lg p880) I see LG logo and nothing happens.
- I tried to "Update firmware through flashing the kdz files" by post on XDA, I have error when I press button 'launch software update' in KDZ_FW_UPD, error about Up text Ex mod2. I add my phone have root!
- I tried to unlock booloader in All in One but my phone don't have debbuging switch on, thats information show me.
- I tried in SDK Manager with fastboot, eclipse and drivers are installed but something maybe I do wrong and isn't work too.
- My computer don't see phone, when I connected phone to computer holding VOL-
How can I do something? How to install maybe orginal ROM, but I want to install Avatar ROM on XDA and this is the beginnig I read that to install the ROM I must have root, unlock bootloader and CWM.
I can go only to orginal recovery and s/w update (but there is nothing doing, when I connected to computer holding VOL- , my computer can't see phone, and I don't have connection with LG Mobile Support Tool)!!!
So now I have nothing
Please HELP me, I don't have phone now and this is terrible.
I add that I'm a girl so please write step by step

[email protected] said:
Hello,
I'm new and I just starting.
Everything going well, but when I want to install CMW I made an error, I don't unlock bootloader before the install, and now when I switch on my phone (lg p880) I see LG logo and nothing happens.
- I tried to "Update firmware through flashing the kdz files" by post on XDA, I have error when I press button 'launch software update' in KDZ_FW_UPD, error about Up text Ex mod2. I add my phone have root!
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=2069723
And if you dont have the lg optimus 4x usb drivers , it wont work.
[email protected] said:
- I tried to unlock booloader in All in One but my phone don't have debbuging switch on, thats information show me.
Click to expand...
Click to collapse
if u cant boot then how are u gonna put it in debbuging mode ? ... its in settings.
[email protected] said:
- I tried in SDK Manager with fastboot, eclipse and drivers are installed but something maybe I do wrong and isn't work too.
Click to expand...
Click to collapse
fastboot is used to install something in adb fastboot mode or to flash a recovery image.
[email protected] said:
- My computer don't see phone, when I connected phone to computer holding VOL-
Click to expand...
Click to collapse
usb drivers and adb drivers.
[email protected] said:
Please HELP me, I don't have phone now and this is terrible.
I add that I'm a girl so please write step by step
Click to expand...
Click to collapse
so what ? and me im superman
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<<USE THE SEARCH FUNCTION OR THE RECENTLY ASKED QUESTIONS IN HELP SECTION>>

Related

[OFFICAL] Work out how to enable fastboot for locked devices / Problem solved :D

So as you may already be aware phones like mine, (orange uk) have the fastboot locked down, and so we cant unlock the bootloader.
I for one believe it can be accessed but needs a little bit of time and research on getting it done.
This thread is aimed for brain-storming for ideas and collecting them for us to try out,
You can de-brand your phone by flashing the software from this thread
http://forum.xda-developers.com/showthread.php?t=1033193
thanks to scott4 for the first upload mirror on page 3
Any ideas on getting the bootloader up and going on locked devices please put them in here
UPDATES
We now have root access thanks to Chainfire's gingerbreak apk which is here
http://forum.xda-developers.com/showthread.php?t=1044765
If your getting "could not extract assets" from gingerbreak
try doing
xperiax10.awesome said:
cool, finally I rooted my xperia ARC
these are very simple steps(copied from different threads):
1. Install the attached apk: Gingerbreak-v1.00
after installing most people getting this error - "could not extract assets".
TO OVERCOME THIS, just copy the attached ADB.zip and extract it on your laptop (windows)
say at
E:\mobile_Xperia\ADB
goto above path in your cmd promt and types these lines (your phone should be connected to laptop in debugging mode)
E:\mobile_Xperia\ADB>adb shell rmdir /data/local/tmp
E:\mobile_Xperia\ADB>adb shell mkdir /data/local/tmp
NOW JUST INSTALL THE apk file again and click on ROOT
Click to expand...
Click to collapse
if that Fails try replacing it with rm -r /data/local/tmp
Update 2
Blagus has kindly opened up this thread here
http://forum.xda-developers.com/showthread.php?t=1063394
We need people with a SIM-FREE phone with a LOCKED bootloader to help us all out, so if thats YOU !!!
Help us poor sods with branded handsets please.
UPDATE 3
Blagus Has come out with his release (As the man who can)
Blagus said:
Omnius for SE v0.23 (30th August 2011)
Added unlocking of S1 MSM7x30 GSM/UMTS phones (testpoint connection to GND is required.)
Added bootloader unlocking for S1 MSM7x30 phones
Anyone who donated (+punk... sorry forgot username, the OP ), contact me for free unlock.
For rest, contact for price (cheaper than at official Omnius resellers).
Click to expand...
Click to collapse
You can contact him here http://forum.xda-developers.com/member.php?u=2645841
Instructions
TESTPOINT INSTRUCTIONS PROVIDED BY mooxie FROM XDA FORUM:
1 turn of the phone
2 take of the backcover
3 remove the battery and sim card
4 take of the plastic covering the test point it's a bit stuck there but the gentle if you can.
5 Find something flexible like a wire or so i used steel wire. Make bend it so you easily can put it on the test point and the ground since you need to hold it there and press the powerbutton in the next step.
6 put in the battery
7 put the wire on the test point and the ground keep it there and press the power button for a few seconds. You wont get any confirmation that it suceeded.
8 Plug in the usb cable in the phone. Windows will now search for a new driver.
If it doesn't install automaticly. Go into the device manager of windows and look up something called SEMC_HUBB think it was that name. Choose update driver and browse to your omnius\driver folder. You will get a warning that the driver isn't signed but press okay and it should install.
9 Now if everything is done right the flashing will start and you should soon have an unlocked phone
Also side note i had problems with
qhsusb_dload driver not installing correctly.
if this is your case right click update and point to the omnius folder and choose update. worked for me.
Have you tried connecting via ADB, and running the command "adb reboot fastboot"?
dh2311 said:
Have you tried connecting via ADB, and running the command "adb reboot fastboot"?
Click to expand...
Click to collapse
What does this command does beside going to the fastboot?
Rithina said:
What does this command does beside going to the fastboot?
Click to expand...
Click to collapse
Well if we can get into fastboot we can unlock the kernal, for the people stuck with not being able to do the normal way
dh2311 said:
Have you tried connecting via ADB, and running the command "adb reboot fastboot"?
Click to expand...
Click to collapse
Reboots back up as normal, also did adb devices and it was there,
Have you tried removing the simlock?
MarylandCookie said:
Have you tried removing the simlock?
Click to expand...
Click to collapse
No not sure how to do it for free, i think someone with a Japaneses version has removed it, i will PM him to ask him
Here's a thought: backup TA. Write random values to security area. If fastboot is disabled/enabled depending on TA simlock info, tampered sec. zone could give you fastboot. Then unlock bootloader and in order to get your phone back to life, restore TA.
Method should be 100% safe as long as you can write TA back.
Sent from my X8 using XDA App
Tampered units wont let the phone boot.
lollylost100 said:
Tampered units wont let the phone boot.
Click to expand...
Click to collapse
But what about flash mode and fastboot? I know they won't boot but that's why in the end TA is restored.
so now all you crazy kids with unlocked phones have root I dont suppose anyone has any more ideas about this problem do they?
I have a few more ieas;
1) I presume you have also tried
adb reboot bootloader
I haven't got my arc yet, Im just saying old ways of getting DHD into bootloader/fastboot
2)
Also, what i think was being mentioned above, Im not too sure what was being said, but on advent vega's and optimus 2x's if you wiped the boot partition, it rebooted into fastboot, because there was no OS installed.
3)
Another one to try is look for market apps that offer reboot into recovery type options and see if they work
have you tried booting your device using the S1 BOOTLOADER method and the S1 DOWNLOAD method? (power off, hold menu + plug battery, then plug cable in pc) you should see a blue LED light. (power off, hold back key + plug battery, then plug cable in pc) you should see a green LED light.
try these two methods and give us a feedback
kazuni said:
have you tried booting your device using the S1 BOOTLOADER method and the S1 DOWNLOAD method? (power off, hold menu + plug battery, then plug cable in pc) you should see a blue LED light. (power off, hold back key + plug battery, then plug cable in pc) you should see a green LED light.
try these two methods and give us a feedback
Click to expand...
Click to collapse
manage to get Green light to come up, and it installs drivers
SEMC Flash Devices installs as the drivers,
After the installation of the new drivers still no blue light
adb reboot bootloader just reboots as normal
Hi !
For me, first method makes my phone booting normaly (no led light).
With the second one, it's OK : green led light appears.
If i can help...
PS : my PC doesn't want to install drivers :-(
punkmonkey1984 said:
manage to get Green light to come up, and it installs drivers
SEMC Flash Devices installs as the drivers,
After the installation of the new drivers still no blue light
Click to expand...
Click to collapse
so that means SEMC Flash is available. Try using Flashtool and flash a UK/Global firmware, and see if it works =)
Skyseb said:
Hi !
For me, first method makes my phone booting normaly (no led light).
With the second one, it's OK : green led light appears.
If i can help...
PS : my PC doesn't want to install drivers :-(
Click to expand...
Click to collapse
Download SEUS. PC Companion doesn't install the right drivers.
kazuni said:
so that means SEMC Flash is available. Try using Flashtool and flash a UK/Global firmware, and see if it works =)
Click to expand...
Click to collapse
Already flashed global firmware,
Still locked,
I guess the lock is actually in the bootloader level, which can't be overridden by writing a ftf package.
Sorry, but no other ideas at the moment =\
??? Have you seen this post ? => http://forum.xda-developers.com/showpost.php?p=13064854&postcount=420
Edit : ok, forget it...
Sorry.

[Q] Problems with recognizing

Please help me. I wanted to put cynogen mode on my LG 4X, and something went wrong. Now when I start the phone shows me the logo of LG and writes under, security error Morning Call is empty ... and now when I try to connect the phone to a computer , my computer is not show me LG like LG P880, than as a device unreconized device .. does anyone know how to fix my LG?
croluka4789 said:
Please help me. I wanted to put cynogen mode on my LG 4X, and something went wrong. Now when I start the phone shows me the logo of LG and writes under, security error Morning Call is empty ... and now when I try to connect the phone to a computer , my computer is not show me LG like LG P880, than as a device unreconized device .. does anyone know how to fix my LG?
Click to expand...
Click to collapse
Check if you have the latest drivers, connect the phone in recovery (vol- and connect to PC), flash with LGFlash Tool.
RuedasLocas said:
Check if you have the latest drivers, connect the phone in recovery (vol- and connect to PC), flash with LGFlash Tool.
Click to expand...
Click to collapse
I cant flash my LG with LG Flash because tihs program dont reconized my phone.. "Phone is not found"
croluka4789 said:
I cant flash my LG with LG Flash because tihs program dont reconized my phone.. "Phone is not found"
Click to expand...
Click to collapse
palalos81 said:
hi. i woould like to downgrade from v20a to v10h and the lgflashtool doesn't work.some times stuck on ready and some others on 10%i have tried almost everything from installing the drivers once more until change pc and ports.is there any option to downgrade with another way?
Click to expand...
Click to collapse
There is no other way...
Did you follow the tutorial? Did you remained calm and gave time for windows recognise your device?
Did you uninstall and re-install the drivers? You're able to reboot in SW mode (vol- pressed while connecting to PC)?
Here you have all files needed:
http://forum.xda-developers.com/showpost.php?p=38838927&postcount=7
Delete your old files, download new ones and follow the tutorial.
Remember to remain calm and give time to system recognise and install everything needed.
Good luck :fingers-crossed:
RuedasLocas said:
There is no other way...
Did you follow the tutorial? Did you remained calm and gave time for windows recognise your device?
Did you uninstall and re-install the drivers? You're able to reboot in SW mode (vol- pressed while connecting to PC)?
Here you have all files needed:
http://forum.xda-developers.com/showpost.php?p=38838927&postcount=7
Delete your old files, download new ones and follow the tutorial.
Remember to remain calm and give time to system recognise and install everything needed.
Good luck :fingers-crossed:
Click to expand...
Click to collapse
TNQ...I fix my LG...and know work perfect I put 20A kdz. 4.1.2. and phone work perfect
Same problem here
I have the same problem. I think the stupid thing I did was to install V20a without rooting the phone. Now I cant root it. IS11LG_SystemBackupTest.signed.ap would not run and when I try to recover either with LGflashboot or LG firmware recovery I get the same error message "morning call is empty" (very strange error message). I can go back to v20a but since I am not completely happy with it I would like to resolve it. Is there any chance to fix it? I am not very confident to format bootload or installing custom ROM.
Thanks
sgiedrius said:
I have the same problem. I think the stupid thing I did was to install V20a without rooting the phone. Now I cant root it. IS11LG_SystemBackupTest.signed.ap would not run and when I try to recover either with LGflashboot or LG firmware recovery I get the same error message "morning call is empty" (very strange error message). I can go back to v20a but since I am not completely happy with it I would like to resolve it. Is there any chance to fix it? I am not very confident to format bootload or installing custom ROM.
Thanks
Click to expand...
Click to collapse
You cannot root the phone on V20a using IS11LG_SystemBackupTest.signed.apk, since that file is used for versions V10x. Check out this link for rooting V20a: http://forum.xda-developers.com/showthread.php?t=2180688
croluka4789 said:
Please help me. I wanted to put cynogen mode on my LG 4X, and something went wrong. Now when I start the phone shows me the logo of LG and writes under, security error Morning Call is empty ... and now when I try to connect the phone to a computer , my computer is not show me LG like LG P880, than as a device unreconized device .. does anyone know how to fix my LG?
Click to expand...
Click to collapse
Same problem here!
xavierleonelbr said:
Same problem here!
Click to expand...
Click to collapse
Uninstall all drivers and folders like "LG United Mobile Driver" and "LG USB Modem Driver".
Re-install the drivers:
http://www.4shared.com/file/rPpP2btT/LGUnitedMobileDriver_S4981MAN3.html
http://www.4shared.com/file/ZSMf2x6n/LGUSBModemDriver_Eng_WHQL_Ver_.html
Take out the battery, press "Power Button" (just to discharge all phone components), put the battery back on the phone.
Press "Vol-" and connect to PC. Wait while windows detect the device and search in windows update for possible new drivers.
Windows won't find a thing but will take some time while trying...
After that you should be OK.
Just did similar to my phone and followed the advice in this thread - now sorted. Thanks guys you rock!
if u epic fail to manually force the drivers in just install android jdk open it and update it.
croluka4789 said:
Please help me. I wanted to put cynogen mode on my LG 4X, and something went wrong. Now when I start the phone shows me the logo of LG and writes under, security error Morning Call is empty ... and now when I try to connect the phone to a computer , my computer is not show me LG like LG P880, than as a device unreconized device .. does anyone know how to fix my LG?
Click to expand...
Click to collapse
I had the same problem, after running several recovery procedures and kdz files, I finally was able to restore the phone to it's original ICS rom.
Download the files in the description and follow up the video.
http: www youtube com watch?v=12v5A3pArJQ
hope it helps.

[Q] Help Unlocking Bootloader?!

Tried the sony method... Device not found...
Tried the flashtool method... Device not found...
I don´t know if I´m getting the fastboot drivers right or not, the does turn blue when I connect it to the PC in fastboot mode...
USB debugging is checked...
Does the phone need to be in sotck FW 350?
Help?
emoratori said:
Tried the sony method... Device not found...
Tried the flashtool method... Device not found...
I don´t know if I´m getting the fastboot drivers right or not, the does turn blue when I connect it to the PC in fastboot mode...
USB debugging is checked...
Does the phone need to be in sotck FW 350?
Help?
Click to expand...
Click to collapse
First of all, Bootloader Unlock Allowed: Yes?
diego9016 said:
First of all, Bootloader Unlock Allowed: Yes?
Click to expand...
Click to collapse
Yep...
emoratori said:
Yep...
Click to expand...
Click to collapse
Did you install the fastboot drivers?
diego9016 said:
Did you install the fastboot drivers?
Click to expand...
Click to collapse
I did, but I don´t know if they´re working.
Didn´t notice anything different in the device manager.
The first time I connected my device windows couldn´t install them, but it did not ask for them again.
How are them suposed to be installed?
emoratori said:
I did, but I don´t know if they´re working.
Didn´t notice anything different in the device manager.
The first time I connected my device windows couldn´t install them, but it did not ask for them again.
Click to expand...
Click to collapse
That's the problem. Windows can't install them just when you connect the phone, you need to install them manually.
When you downloaded the Unlock Bootloader tool, there was a folder or a zip with the drivers. If it is a zip, extract it.
Connect the phone leaving up arrow pressed, the led will turn blue.
Go to device manager on the pc, look for Fastboot or something like that.
Select browse my computer for driver software and select the divers folder. It should install them right away.
Now you have the fastboot drivers installed and you can continue with the procedure.
Edit: You already have the KEY from Sony?
diego9016 said:
That's the problem. Windows can't install them just when you connect the phone, you need to install them manually.
When you downloaded the Unlock Bootloader tool, there was a folder or a zip with the drivers. If it is a zip, extract it.
Connect the phone leaving up arrow pressed, the led will turn blue.
Go to device manager on the pc, look for Fastboot or something like that.
Select browse my computer for driver software and select the divers folder. It should install them right away.
Now you have the fastboot drivers installed and you can continue with the procedure.
Edit: You already have the KEY from Sony?
Click to expand...
Click to collapse
When I go to DEVICE MANAGER I can´t find fastboot or anything like it... There are a couple of unknown devices...
I should power down the phone and connect it with vol up right?
emoratori said:
When I go to DEVICE MANAGER I can´t find fastboot or anything like it... There are a couple of unknown devices...
Click to expand...
Click to collapse
Win7?
Can you attach some screenshots of the device manager page?
Yes. You need to power off and connect the device holding up until led turns blue.
diego9016 said:
Win7?
Can you attach some screenshots of the device manager page?
Yes. You need to power off and connect the device holding up until led turns blue.
Click to expand...
Click to collapse
Yeah, win7... 64x...
I´m at work right now... When I get home I´ll post...
PLEASE don´t leave me!!! hehehe...
emoratori said:
Yeah, win7... 64x...
I´m at work right now... When I get home I´ll post...
PLEASE don´t leave me!!! hehehe...
Click to expand...
Click to collapse
Don't worry, if I can help, I'll do it.
EDIT: When you get home, check this out. It was for 2011/12 devices, but most of the procedure works for the Z.
Fastboot drivers are unsurported on x64 you have disable driver verification
diego9016 said:
Don't worry, if I can help, I'll do it.
EDIT: When you get home, check this out. It was for 2011/12 devices, but most of the procedure works for the Z.
Click to expand...
Click to collapse
One question...
If I install the fastboot drivers through the flash tool should it work?
Maddhouse said:
Fastboot drivers are unsurported on x64 you have disable driver verification
Click to expand...
Click to collapse
How?
Thanks!
think this is it
1. download flashtool and install
2. type "bcdedit /set testsigning on" in cmd and restart PC
3. install driver in the flashtool "drivers" folder, check fastboot, agree when prompts
4. type "bcdedit /set testsigning off" in cmd and restart PC
http://msdn.microsoft.com/en-us/library/windows/hardware/ff553484(v=vs.85).aspx
EDIT:
Also this might be handy if you are planning alot of adb usage
Got it!
Usb debugging was MST and not MCS... duh...
Unocked...
Recovery...
Rooted...
THANKS!

Z3 Compact stuck on bootloop no recovery

Hi guys,
So I'll tell you the whole story here. I was on Lollipop, fully rooted with working XZDR recovery but phone seemed laggy so I decided to give it a full format with the newer firmware. So I backed up everything. Booted into recovery. Formatted the whole phone, then took out the SD card to load on the zip file from the PC. On inserting it, it wouldn't be detected so I tried to reboot into recovery using the inbuilt option but forgot that recovery too would have been deleted. Since then its just stuck on the Sony logo. It reboots by keeping the Power button and Volume Up pressed, but to no avail. I tried to flash the image using Flashtool but it doesn't recognize the phone when I try to connect it in Fastboot using the Volume Down during Reboot method. Nor do I get a blue LED on the phone. I guess it isn't entering Fast boot.
Please help out since its my daily driver. Help appreciated. Thanks
Oh hey guys managed to restore using Flashtool. Tried booting phone into Flash Mode again and idk how it worked this time. Breathing a sigh of relief.
Could you please explain in detail how did you managed to get out of bootllop....it seems i sucked exactly like you & now clueless....
First of all, try repair it with Pc Companion. If that doesn't work, try with flashtool.
Keep in mind, to enter flash mode, press volume down button and insert usb cable.
tried PC companion & got error 2003 (Unlocked Bootloader & rooted wont work it seems)
Flashtool, will give a try again....
As of now, i am able to go to the fastboot & can open files on my PC when connect phone via USB cable....
Phone not booting up normal/recovery mode....It just stucked with boot loops
Tried flashtool---Ended up with errors as attached pic
As i cant bootup my phone...USB Debugging option cant be ticked
I was running SlimLP (unofficial) while bricked my phone....
Anything on that please....
pranavd1980 said:
Tried flashtool---Ended up with errors as attached pic
As i cant bootup my phone...USB Debugging option cant be ticked
I was running SlimLP (unofficial) while bricked my phone....
Anything on that please....
Click to expand...
Click to collapse
Try installing Flashtool ver 0.9.10.2beta4 - you can see in this tutorial section #5: Device connected with USB Debugging off, ergo you dont have to have USB Debugging on: http://forum.xda-developers.com/xperia-z/general/tutorial-how-to-flash-stock-roms-t2240614
Norup58 said:
Try installing Flashtool ver 0.9.10.2beta4 - you can see in this tutorial section #5: Device connected with USB Debugging off, ergo you dont have to have USB Debugging on: http://forum.xda-developers.com/xperia-z/general/tutorial-how-to-flash-stock-roms-t2240614
Click to expand...
Click to collapse
if that is the case, i think that fsc script is the issue....can you highlight something on that????
pranavd1980 said:
if that is the case, i think that fsc script is the issue....can you highlight something on that????
Click to expand...
Click to collapse
Not sure what you mean....... all I can say is, Flashtool 0.9.10.2beta4 does not require USB Debugging to be turned on to work and I definitely didnt turn USB Debugging on before starting the root process. Later yes but not before.
Try it or not, thats up to you.....

[GUIDE] [UNBRICK]LG Magna H502F Stock Rom

Your LG Magna(H502) stuck on lg logo or bootlooping follow this guide to fix your device
Requirements:
USB Cable
LG Driver
LG FlashTool
MegaLock.dll
H502F Stock ROM
Let's start
1.Install the LG Driver
2.Install LG FlashTool and don't run it yet
3.Copy MegaLock.dll and replace in the folder LG FlashTool (C:\LG\LGFlashTool)
4.Turn off your device(remove battery and put it back to be sure its off)
5.Press and Hold the Volume UP button,plug in the USB cable and hold until you see "Firmware Update" you are now in download mode
Don't plug into usb 3.0 port and try other ports if getting issues
6.Open Device Manager on your PC
Go on "Ports (COM & LPT)" if the driver is installed properly, you will see "LGE Mobile USB Serial Port (COMxx)"
We need to change the COM port number to 41
Double click on "LGE Mobile USB Serial Port"
Go to Port Settings Tab and click Advanced
Change COM Port Number to COM41 and click OK
Disconnect USB cable,wait a few seconds and reconnect or reboot back in download mode to check if the drivers are working properly
7.Open LG FlashTool as admin
Tick the Select Manual Mode box
Extract LG Magna H502F.rar
Click the DLL "....." button and select the DLL found in the extracted folder(LGH502f_20150416_LGFLASHv190.dll)
Click the S/W add button and select the file with the .tot extension(LGH502fAT-00-V10a-CIS-XX-MAR-16-2015+0.tot)
Don't touch anything else and press ok
Flashing will format the phone all data will be lost
8.Click on the Yellow Arrow Button at the top left and it will start the flashing process
When you see ready in a few seconds you will be asked to disconnect and reconnect the cable and it will start flashing
It will take some time
During the flashing process, the phone will reboot itself and will display "MiniOS Factory Reset Status".Don't worry about it
When you see pass in FlashTool and Factory Reset Status 3 on your phone means the flashing process is completed
Disconnect the cable and remove the battery
Power on your phone and enjoy your working phone again (Don't forget to disconnect USB cable else if you didn't close the FlashTool it will go back in download mode and flash again)
Fixing problems
Factory Reset Status 2 and download fail
Method 1
1.Disconnect the cable and take out the battery after some seconds insert back
2.Press and hold both the power button and the volume down and hold until LG logo appears release the buttons and immediately press and hold both buttons again to go in Factory Reset
3.Choose Yes, then Yes again, the phone will reboot
Method 2
1.In step 7 where we are setting up the FlashTool change the action mode to Board DL instead of Upgrade DL
2.When the flashing is done your phone will reboot to the AAT Screen
3. Hold down power button and press normal boot (+power) your phone will reboot. (dont forget to disconnect usb cable or close the FlashTool)
LGE Mobile USB Serial Port (COMxx) doesnt appear on my device manager..help me please??
danvelle said:
LGE Mobile USB Serial Port (COMxx) doesnt appear on my device manager..help me please??
Click to expand...
Click to collapse
Install LG Drivers from here : https://sourceforge.net/projects/avicohh/files/Android/LGUnitedMobileDriver_S51MAN313AP22_ML_WHQL_Ver_3.13.2.exe/download
danvelle said:
LGE Mobile USB Serial Port (COMxx) doesnt appear on my device manager..help me please??
Click to expand...
Click to collapse
Try installing the driver when you are in download mode or try other ports in your computer.If it still doesn't work try this driver http://oceanhost.eu/x1b0tjlhzw1z/LGUnitedMobileDriver_S51MAN313AP22_ML_WHQL_Ver_3.13.2.exe.htm
May the stock ROM work with h500f ?
Geralt1232 said:
May the stock ROM work with h500f ?
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Nope
is this v10a? which ROM can be rooted and TWRPed?
xd
as I can install the KDZ I have the LG H502G And not catch any of that model Dll !! Help!!​
danvelle said:
LGE Mobile USB Serial Port (COMxx) doesnt appear on my device manager..help me please??
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Click to collapse
You have to enable "Show hidden devices"
I lost data connection often when playing games or using any app can this problem solved by installing stock rom again? Plzz tell me the solution
Trying to get rid out TWRP
If I ever flash stock firmware, does custom recovery/TWRP be removed ?
yes.it will be replaced with stock...
Sent from Valhalla
Lg magna
My lg magna is not booting.
I tried installing a custom ROM it showed that it was done but its not booting now. Its not even booting to recovery mode. I've not tried flashing the a ock ROM but will it work.will it boot in download mode?
go to view option appear on that window and click on 'show hidden devices'
danvelle said:
LGE Mobile USB Serial Port (COMxx) doesnt appear on my device manager..help me please??
Click to expand...
Click to collapse
Reply::go to view option appear on that window and click on 'show hidden devices'
Hello, I have the following problem. As in every other thing ive done to this phone (root, installing twrp, installing xposed) I always thought my model was LG-H502F. Though, my model is LG-H500F, I bought it from Greece, I recently bought Huawei P8 lite 2017 for myself and I gave my old LG to my father, he tell me that sometimes it lags and he is right. I think it lags because I uninstalled Xposed (flashed the uninstall zip using twrp) and also removed root, because he didnt need those things in his phone. The question is: Is there somewhere I can get the stock LG-H500F zip and what guide should I use? Ive been searching for a while now and can't find many topics related to LG-H500F. Thanks
Aneom7331 said:
Hello, I have the following problem. As in every other thing ive done to this phone (root, installing twrp, installing xposed) I always thought my model was LG-H502F. Though, my model is LG-H500F, I bought it from Greece, I recently bought Huawei P8 lite 2017 for myself and I gave my old LG to my father, he tell me that sometimes it lags and he is right. I think it lags because I uninstalled Xposed (flashed the uninstall zip using twrp) and also removed root, because he didnt need those things in his phone. The question is: Is there somewhere I can get the stock LG-H500F zip and what guide should I use? Ive been searching for a while now and can't find many topics related to LG-H500F. Thanks
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Click to collapse
https://lg-firmwares.com/lg-h500f-firmwares/
just find the country you are in.
I found this page earlier but can you import the kzd file to LG Flash tool? I didn't test this but, I guess it works. Thanks for replying
Aneom7331 said:
I found this page earlier but can you import the kzd file to LG Flash tool? I didn't test this but, I guess it works. Thanks for replying
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Click to collapse
yes. it will )
Hi, I'm in the same situation as Aneom7331, indeed I have a bricked LG Magna H500F and I'm trying to flashing a stock firmware. Where should I put the .kdz file in the lg flash tool 2.0.1.6? Moreover, the .kdz file has not a .dll file together with it, Thanks in advance
Someone have link to stock for h502y?

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