Hi,

My brother has a Galaxy Mega I9200, using with custom rom and he told me to flash a stock rom and when i tried to flash 4.4.2 it won't boot stucking on samsung galaxy mega logo, wiped cache and dalvk cache tried kies but can't :/ any idea? i want to flash stock rom i cant flash 4.2.2 cuz of the knox bootloader and when i tried to any other 4.4.2 custom touchwiz ron its won't boot

Sorry for my bad eng