This is difficult to solve. . . G 13 5 12m memory is always insufficient, and 1 16m is absolutely not enough. You download a software root directory and delete some useless system files, but be careful not to delete them wrong. But this is just a drop in the bucket, so change your mobile phone, dear. Caton is because the cpu is deficient in congenital conditions and the running memory ram is too small. Even if the memory problem is solved, the mobile phone will not be very familiar with Ah Fu.