If you don’t root your Samsung Galaxy Mega 6.3 successfully, you will need to install stock firmware for your device. Although customers root their devices carefully, you’d better reserve the firmware in case you need it.
Samsung Galaxy Mega 6.3 i9200 runs android 4.2.2 operating system, I am sure Samsung will release android 4.3 update to it later, as android 4.3 OS was just released. It comes with 6.3 inches touchscreen, so it is big enough to play games and do other works on this device just like tablet. Besides, it has 8MP rear-facing camera with 1.9MP front-facing camera.
Different firmwares for different countries, here you will find all stock firmwares for Samsung Galaxy Mega 6.3 i9200, including Taiwan, Singapore, United Arab Emirates, and so on. These firmwares are based on android 4.2.2 Jelly Bean OS. Choose the right version you need.
Reserve the firmware for Samsung Galaxy Mega 6.3 in case you need it.