Previously a week ago we've heard a rumour that Samsung is going to release two high variants of Galaxy S4 powered by Snapdragon 800 and Intel chip. Now the recent rumors suggest that there that Samsung is going to unveil a refreshed Galaxy S4 that uses Qualcomm’s Snapdragon 800 chip. The device has the model number “SHV-E330″, which means it’s meant for Korean operators, not Europe or the US.