1. Although it less likely you lose your data while use this app but as we always say, backup your device data to avoid any uncomfortable situation.
2. Make sure your device have at least 30% battery power. You can install an app like Battery Percentage on your Android device to check it easily.
3. Internet Connection or WiFi
Hope you back up all your data and settings as mentioned above. So, its time to jump into next stage of this guide.
How To Root Samsung Galaxy Mega 2 SM-G750A (AT&T) Easily
Step 1: Download KingRoot and install it (open a file explorer, navigate your download and tap on it; you can also directly open the apk from browser download section to install it). If you see a warning box then you require to check Unknown sources under Settings –> Security.
Step 3: Tap on ‘TRY TO ROOT’ or ‘START ROOT’ button that shown at the bottom of the screen.
Step 4: It will then start rooting your device. Sometime your phone may automatically restart during this process.