It is recommended to buy 4+128GB, because now the elderly are brushing the jittery voice or watching square dance videos, as well as playing video with their children more, and the rest they do not need. At most some will look at the news, 128GB with a long time will not be card, otherwise they sometimes watch some videos is that they will unknowingly download some videos, the back will be more card Oh, buy 128GB will not have to worry about the problem of cell phone lagging, buy a comfortable ~