troi may game dsi do.co phai add balance thi no cho 1 bang thong tin day du ve the dung khong ak. em dien day du roi no hien ra bang can nap bn tien 5do,10,15,20 dung ko ak. nhung e khong chon cai nao ma chon cai lay du tien mua game thoi chon xong load 1 luc no bao loi do ak.