How to Flash Firmware LG X Mach Return to Stock and Fix a Bootloop.

Flash LG X Mach Firmware.  If your phone gets a boot loop it will only show an LG logo and stuck at this screen, and then return to reboot automatically and show this screen again. So, it's also called failed to boot the Android system and go to the phone menu. At this state, your phone is still can access the recovery menu or enter download mode. On this guide, we will try to fix this boot loop issue on Android LG X Mach by flashing this phone using a new firmware with kdz method. Simply just download the firmware from the available link below and then run the LG Flash tool 2014 to help to flash firmware into LG X Mach via download mode. You don't need to take your phone to the service center and you can try it by yourself to fix this issue.

Also, this guide will solve the soft-brick on LG X Mach. Before this flashing guide starts lets we know more about LG X Mach specifications. For some countries, LG X Mach is also known as LG K600 or LG X Fast.

• This device released in 2016, September.
• Comes with 5.5 Inches, IPS LCD capacitive touchscreen, 16M colors
• Powered by; Hexa-core (4x1.4 GHz Cortex-A53 & 2x1.8 GHz Cortex-A57) processor, Qualcomm MSM8992 Snapdragon 808 chipset, and Adreno 418 GPU.
• Supported by: 3000 MB of RAM
• Run-on Android 6.0.1 (Marshmallow)
• Camera specs; 12,3 Mp of primary camera, and 8 MP of secondary camera.
• Battery specs; Removable Li-Ion 3000 mAh battery.

Now, let's start to flash the LG X Mach phone. Below is step by step guide you can try by yourself. Please read carefully in order to avoid your device totally damaged.

flash firmware LG X Mach

Preparations.

The following files are used to help you run the flashing process on your LG X Mach. Download it one by one until complete.

1. This flashing method using kdz file, therefore you must provide the LG KDZ firmware to proceed with this guide. There is two way you can try to download this file.
• Download LG Kdz file by yourself using the web browser and IMEI phone number.
• LG X Mach KDZ firmware. 
2. LG Flashtool 2014. 
3. LG driver 
4. LG mobile support tool and install it on your computer.

Flashing Guide.

1. Extract Kdz Firmware and the other file to your computer local disk, we recommend saving this kdz and LG driver to the desktop for easy access later.
2. Make sure your LG X Mach is fully charged or at least has 75% of battery capacity before the flashing process.
3. To avoid failed when detecting your LG phone the LG driver should installed correctly on your computer or PC.
4. If you see any error when installing the LG driver, try to install the Visual C++ Runtime Library first.
5. Now, go to LG flash tool 2014 folder, and run it as administrator. (right-click at LG Flashtool2014.exe - select run as administrator).



run as administrator - Flash LG X Mach

6. Once the LG Flashtool 2014 window is launched. Now you can set these windows like the following guide.



flash LG X Mach

• Number 1: At Select type, you can choose 3GQCT
• Number 2: Select DIAG at the phone mode drop-down menu.
• Number 3: Browse where your kdz saved on your computer drive.
• Number 4: Click normal flash, it will Flash ROM without losing any data. Only use this when you need to fix system error. For some selected type, you will see CSE flash beside normal flash. CSE flash used for fresh format your phone. Also, it used to downgrade or upgrade phone firmware.

Video Guide.

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