But our purpose today is to provide a guide on how to root the Samsung Galaxy Core Dual Sim GT-I8262. The steps below are the ones to watch out for. 1  Download the latest version of Framaroot and install the APK.2  Now, Open Framaroot select the action to perform. 3  Select “ Install SuperSU ”.he steps below are the ones to watch out for. 1  Download the latest version of Framaroot and install the APK. 2  Now, Open Framaroot select the action to perform. 3  Thereafter, in the rooting menu, Select an exploit in list above to potentially root your device as Gandalf and proceed further. 4  When it i finished, reboot the device.