Full guide How to Root Galaxy Core 2 SM-G355H Without PC is right here. To begin with the custom stuff, the very first thing you need is to gain the root access on your phone. After having it rooted, you will be able to install applications like Titanium Backup, Greenify, System Tuner etc.
Having the device rooted will allow you to access the core of your Android system and you will be able to make changes to improve performance and battery life of your device. The second important thing to play with custom stuff is to have a custom recovery installed on your device
How to Root Samsung Galaxy Core 2 SM-G355H
1.Download the Rooting package from the link and without extracting place it on your phones SD card
Note: As you enter the recovery mode you’ll notice that touch won’t wok here. So for navigating you need to use Volume Up and Volume Down keys and Home button for selection
3.Now navigate to the ‘ Update from SD card’ option using Volume keys and select it using the Home button (Middle button).
4. After successful rooting, you’ll again return to the main menu of Recovery mode.
Just restart your Galaxy Core 2 by selecting ‘ Reboot system now’ option.
That’s all! You’ve successfully rooted your Samsung Galaxy Core 2 SM-G355H smartphone.
An app named Superuser installed on your phone will confirm that your device is properly rooted. This Superuser app supervises each and every app that requires a root access.
You can use this Root Checker app to confirm the same.