How to Fix a Bootloop and Flash Stock Firmware LG K20 Plus Using LG Flashtool 

Fix a Bootloop LG K20 Plus. If your LG K20 Plus stuck in a loop of reboot when attempting to booting and then stuck showing an LG logo, this called a bootloop phone. Generally, this problem is caused by a user failure in experimenting on his cell phone. for example, the user has failed to perform OTA updates to the latest firmware version before the official firmware is released by the vendor or manufacturer. Or, failure when installing custom ROM and custom recovery. then what can you do to solve the problem? simply installing a new stock firmware on your phone. then it will fix the current problem.

Before this tutorial proceeds, here the LG K20 Plus specifications. This phone released 2016, December. Comes with 5.3 inches IPS LCD capacitive touchscreen, 16M colors. Powered by Quad-core 1.4 GHz Cortex-A53 CPU, Qualcomm MSM8917 Snapdragon 425 chipset, and Adreno 308 GPU. Also supported by 2 GB of RAM. This device runs on Android 7.0 (Nougat). There are some LG K20 Plus versions, they are for T-Mobile & MetroPCS and K20 V VS501 (Verizon).

flashing tutorial starts here.

Requirements.

1. Make sure the device you are using is LG K20 Plus in order to follow this tutorial. To avoid your phone bricked or totally dead.
2. Make sure your battery has enough power or at least has 75% of battery capacity.
3. Disable all antivirus runs on your computer. 
4. The LG driver must be installed correctly on your computer, if you do not have LG driver yet, please download via the following link. Here
5. Then, you need to download LG Flashtool 2014. This flash tool will flash KDZ or TOT method. LG Flashtool 2014 can be download Here
6. Now, download LG stock firmware for LG K20 Plus. You can download the LG stock firmware with the following methods.
• Download LG Stock firmware by yourself. This method requires an IMEI number. For more instructions, you can follow this tutorial. Here 

7. Download LG K20 Plus stock Firmware directly from the following link.
8. LG K20 Plus (LG MP260)

As the alternative methods, you can flash your LG K20 Plus with LG UP and Uppercut, Use this Tutorial.

Flashing Tutorial.

1. Make sure to backup everything before proceed to flash your phone. You can use this tutorial to backup your phone data. Here
2. Make sure LG flash tool and LG driver correctly installed on the computer.
3. We highly recommend moving LG K120 Plus stock firmware in the same folder as LG flash tool 2014 folder.
4. Now, open LG flashtool2015.exe as administrator. How to open the program window as an administrator?
• Go to program window application (Lgflashtool2014.exe)
• Then, right-click the application with your mouse.
• Now, click/select 
5. If LG flashtool2014 can't open, you may need to install Visual C ++ Runtime Library. Download the file and then try the previous step again.
6. For the next step please see the following link (How to flash kdz firmware via LG Flashtool)

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