I recently realized, that my iPhone 6 64GB Silver has some kind of problem with high end games, I firstly noticed it when I started GTA: San Andreas for the first time (had it bought for iPad 4 before), while playing, I noticed some frame drops here and there, all the time. On my iPad it ran COMPLETELY smooth without any lag whatsoever - on iPhone 6 it should run even better. It is playable, but it is not smooth as my iPad 4 and not as smooth as on other iPhones 6 - i know from watching yt videos. It is the same with Asphalt 8 - it doesnt run as smooth as on other iPhones 6. I've been on iOS 8.1.2 since I got my iPhone (last week). Have cca 30 GB free space on phone. All smaller games run without any problems. Have you got any idea what may be causing this? I would be really thankful if someone could help me with this situation.