Guide How to Flash a Custom Recovery (TWRP or CWM) on Android Smartphone.

Flash a Custom Recovery (TWRP or CWM). This guide we will explain to you how to install or flash custom recovery like TWRP or CWM on Android device. Custom Recovery used to flash / install a custom ROM's or Recovery image to your device.

If you install a custom recovery to your Android device you can do something on your device, such as ;

Install / Flash custom ROMs.
Create and restore a backup image.

To install a custom Recovery on your Android phones, You have to unlock the bootloader first.
This method below work on most Android phone, such as ;

Samsung Galaxy S III
Samsung Galaxy S4
Samsung Galaxy Note 3
Samsung Galaxy Note 2
Samsung Galaxy S5
HTC One (M8),
LG G3,
LG G2,
Moto X,
Moto G,
Sony Xperia Z1,
Sony Xperia Z2, etc.

Guide to Flash Custom Recovery.

Download and install a USB Driver for your Android phone, find this driver on the official website of the company that made the phone. Below is recommend link to the latest driver for your phone.

Motorola
Sony
LG

Go to Software updates -> Select your phone -> Click on Install USB Drivers

Samsung
HTC

Download and Install Android SDK on your computer. download it form Here
Download the latest custom recovery.

TWRP

Go to the website,
Then click Get TWRP for your device
Now, type your device's name to download the image.

CWM

Go to the website,
Then click Get CWM for your device
Now, type your device's name to download the image.

Enable USB debugging on your device. How to do it ?

For Kitkat see here
For Lollipop see here

Now, connect your Android phone to the computer via USB cable.
Then, open command prompt, just press windows key on keyboard, then type cmd, then press enter.
Once command prompt window open, change directory to the place where Android SDK installed. for example Android SDK installed on ;

C:\Android SDK\a\sdk\platform-tools
command prompt - android sdk

Now, type the following command in command prompt.

adb devices

Make sure your device is listed, then type ;

adb reboot bootloader

Wait for the phone to reboot in bootloader mode.

Now, go to the platform-tools directory (a sub-directory of the Android SDK), Then open Command Prompt there, How to do it ?

Prees and hold Shift + Right-click
Then select Open Command Window here

Now, type the following command in command prompt again

fastboot devices

Make sure your device is listed, then type ;

fastboot flash recovery FILE.IMG

Replace ‘FILE.IMG’ with the recovery you want to flash

Wait, once flashing process complete, don't reboot your Android device manually.
You must go to ‘Recovery’ by using volume down to scroll. Don’t scroll using the Volume Up button.
Volume UP button used to confirm your selection.
Once you have gone to ‘Recovery’, only then press the Volume Up to boot in recovery mode.