Flash Stock ROM on LG X Style Return to Stock Using LG Flashtool (KDZ Method).

Flash LG X Style. This guide will show you how to unbrick or fix a boot loop on LG X Style by flashing stock ROM to this device using LG Flashtool 2014. Other than that you can use this method to solve unresponsive system on LG X Style when running installed App. Follow this method will wipe all data, file, and installed apps. So, to avoid lose of them backup it before flashing LG X Style. Actually many methods we can use to flash Stock ROM into LG X Style, but we think LG Flashtool 2014 is the best tool to flash the firmware into LG device.

You can try to flash LG X Style using LG UP, where this tool is the latest flash tool. I have tried flashing LG device using LG UP on lg-k7-ms330.

This is LG X Style versions;

LG X Style K200DS
LG X Style K200DSF

LG X Style released on September 2016. This device comes with 5.0 Inches IPS LCD capacitive touchscreen, 16M colors display. Powered by Quad-core 1.3 GHz Cortex-A7 CPU, Qualcomm MSM8909 Snapdragon 210 chipset, Adreno 304 GPU. Supported with 1.5 GB of RAM. Featured with 8 MP of primary camera, and 5 MP of secondary camera. LG X Style runs on Android OS, v6.0.1 (Marshmallow).

Flashing guide start here.

Prerequisite.

Stock ROM LG phone (kdz). There are many method how to download LG firmware.

Download LG Firmware (KDZ) directly from your browser with your device IMEI. See the following guide.

http://ponselruksak.blogspot.com/2016/06/guide-how-to-download-lg-kdz-firmware.html

Download LG Firmware with available link.

LG X Style K200DS.

http://lg-firmwares.com/lg-k200ds-firmwares/#more-1905

LG X Style K200DSF

http://lg-firmwares.com/lg-k200dsf-firmwares/#more-3947

Download LG mobile support tool and install

http://click.xda-developers.com/api/click?format=go&jsonp=vglnk_144972584355315&key=f0a7f91912ae2b52e0700f73990eb321&libId=ihzn2x3p01000n4o000DAbd1rill1&loc=http%3A%2F%2Fforum.xda-developers.com%2Fshowthread.php%3Ft%3D2622777&v=1&out=http%3A%2F%2Fcsmg.lgmobile.com%3A9002%2Fclient%2Fapp%2FB2CAppSetup.exe&ref=https%3A%2F%2Fwww.google.com%2F&title=%5BGUIDE%5D%20%5BV500%5D%20Install%20Stock%20ROM%20(KDZ)%20LG%20G%20%E2%80%A6%20%7C%20LG%20G%20Pad%208.3&txt=http%3A%2F%2Fcsmg.lgmobile.com%3A9002%2Fclient...2CAppSetup.exe

Download Driver LG:

http://lgflashtool.com/LGUnitedMobileDriver_Ver_3.11.3.exe

Latest LG FlashTool :

http://lgflashtool.com/download/#.WGySVtKLS00

Flashing Guide (Step by step).

First, you must download all prerequisite files above.
Make sure your LG X Style battery is fully charged.
Then Install LG driver.
Now run LG Flashtool 2014

right click at LG Flashtool2014.exe - select run as administrator

If LGFlashTool2014.exe fails to open, try to install Visual C++ Runtime Library.

https://www.androidfilehost.com/?fid=95864024717072253

Turn off your LG X Style device.
Now, connect LG X Style to the laptop via USB cable while press and hold Volume Up button.
It will bring your LG X Power to download mode. For detail you can see this guide.

http://ponselruksak.blogspot.com/2015/08/guide-to-enter-download-mode-on-lg.html

There are two options to flash your LG X Style

Normal Flash : You can select this option if you want Flash ROM without losing any data. Only use this when you need to fix system error.
CSE Flash : Use this options only, if you need to full format your LG X Style. CSE flash use to upgrade or downgrade LG X Style firmware and return to stock.

LG flashtool 2014 - flash LG X Style

Select Type: CDMA
Phone Mode: DIAG
Select KDZ file : Navigate to the folder where you save kdz file.
Then you can Click on CSE Flash (see step 9 to decide this option). We recommend to select CSE Flash.
Then click Start.
Start - LG Flashtool 2014
Then click on Clear Phone Software update registry.
Lg flashtool 2014 - flashing LG X Style
Select English at language options
Then click OK button.
You must wait a minute for the LG Mobile Support tool to recognize the LG X Power phone.
This may take a while
Now, LG Flashtool 2014 will start flashing your LG X Style..
Just wait the flashing process, once finished your LG X Style will reboot automatically.
Now, you can unplug your LG X Style from the computer by remove USB Cable from it.
Finish.