zip file into the phone's SD card memory.

Step 3: Place EuphoriaOS Android v5.1 Lollipop custom ROM zip file and Google Apps. Step 2: Connect Samsung Galaxy Grand 2 (SM-G7102) to PC via USB cord. Though installing custom ROM improves the device's performance and UI experience, it makes the company warranty void the company will no longer be liable to provide updates in future.Also, make sure your device has more than 80 percent battery, or else there is chance of the smartphone getting temporarily bricked if the installation process is interrupted midway.Installation of custom ROM requires clearing of memory in the smartphone, so make sure to back all the data by installing Clockwork Mod (CWM) Recovery/ TWRP in the smartphone.Make sure you have installed USB drivers on the PC, or else your smartphone (Samsung Galaxy Grand 2) will not be recognized by the computer.Make sure the device is rooted before going forward with custom ROM installation.The new CyanogenMod Android 5.1.1 Lollipop CM12.1 custom ROM has to be installed on the Samsung Galaxy Grand 2 (SM-G7102) models only if tried on other devices, it might get bricked.Prerequisites (things to remember before installing Custom ROM)

Grand 2 custom rom