[LG Optimus L3 II, L5 II, L7 II, L9 II] XDA-00:
WARNING! DO AT YOUR OWN RISK.​

Unbricking your LG L7 P71X with LG Flash Tool 2014. You can root any LG device but choose correct firmware according to device and country.

Downloads :-

Visual C++ Runtime library :- https://googledrive.com/host/0B9l4QOCXUmxXV19jN1ZrTnBwdTQ/VC_RedistInstaller.exe (Install it if you cannot run LG Flash Tool)

LG Flash Tool 2014 :- http://d-h.st/x8Ea

LG United Mobile Driver :- https://drive.google.com/file/d/0B1mULHlillK-eDA3SHRPV093TDg/view?usp=docslist_api

Tutorial :-

*Prepare Phone for flashing :-

1. Install Visual C++ Runtime Library.

2. Install LG United Mobile Drivers.

3. Turn off your Phone.

4. Restart Phone in Emergency Mode by holding volume down button and connecting Phone to pc via usb cable.

5. Now the Phone will have yellow screen.

6. Now your Phone is ready for flashing.

*Flashing the firmware(.kdz file)(Downloads given below) :-

1. Copy kdz file to LG Flash Tool folder.

2. Run LG Flash Tool.

3. Keep the options as :-

- Select type - 3GQCT

- PhoneMode - DIAG

- Select kdz file - 'YOUR KDZ FILE'

4. Click on Normal Flash

5. At the next dialog box just click on Start.

6. In select country and language dialog box, just click on OK

7. After that flashing will start, wait till it reaches 100%.

Note -

*Your Phone will reboot at 95% but its normal.

*Upgrade will take approx 15min.

*You will not lose your data.

Firmware downloads(kdz) :-

Rooted KitKat 4.4.2 L7II P710,P713,P714,P715 :- http://xdaforums.com/optimus-l3-l5-l7-l9-ii/development/kk-kk-kdz-p710-root-t2950532 - by maxx_hr

Rooted JellyBean 4.1.2 :- https://docs.google.com/file/d/0B702cz4m1KcycWlGd3VKOE5VOXc/edit - by ashutoshrathore135

Stock JellyBean and Kitkat for any lg device :- http://lg-phone-firmware.com/

Stock JellyBean and Kitkat for L7II models :- http://lg-phone-firmware.com/firmware-Lg+Optimus+L7+II-Tutti-21.html

*Prevent getting redirected by lg-phone-firmware.com :-

^Internet Explorer :-

1. Open the Internet Explorer browser and click on the "Tools" menu at the top of the page.

2. Click on "Internet Options," then click the "Security" tab. In the "Security Level for this Zone" box, use the slider to set the security to "High." This stops Internet Explorer from using ActiveX, preventing Web pages from redirecting you to others. Although this stops the redirecting action, legitimate websites may not load properly, or at all. Some functions on websites become disabled, such as links to other websites, video or PDF files.

^Firefox :-

1. Open the Firefox browser and click on the "Tools" menu.

2. Click on "Options," then click on the "Advanced" tab. Navigate to the "Accessibility" box, under the "General" tab.

3. Click the check box next to "Warn me when websites try to redirect or load the page." Click "OK." This option stops a redirect from occurring, and notifies you of the situation. You may then allow or deny the redirect.

TWRP 3.0.0.0 for L7II P715(optional but recommended, I feel its better than cwm) :- http://xdaforums.com/optimus-l3-l5-l7-l9-ii/orig-development/recovery-twrp-3-0-0-0-vee7-l7-ii-t3313792 - by neutrondev

SuperSU v2.66 :- https://download.chainfire.eu/896/SuperSU/ - by chainfire

^Flashing TWRP, SuperSu :-

1. Place TWRP, SuperSU in external sdcard.

2. Boot your Phone into recovery mode by holding volume down+quick button(one on top left) and then holding power button for a few seconds then release all keys when you see LG logo.

3. Select - install .zip from sdcard. (use vol up and vol down to scroll through options on cwm recovery)

4. Select your zip file and confirm.

5. Reboot your Phone.

If this guide helped you, please hit the thanks button.