>>cach nay sai voi mang mobifone:sim gan het tien dang ky gprs.neu sai den khi het tien ma khong bi cat gprs thi cu sai tiep.neu bi cat vi ly do het tien thi ban hay dang nhap va lam thanh vien cua trang web www.mobifone.com.vn sau do hay gui thu vai sms vao chinh so may cua minh(trang web cua mobifone khong dang ky gprs duoc giong nhu loi noi cua nhung hacker da day chung ta)sau do vao phan may dien thoai chon phan cai dat-cai dat mang-lua chon mang thu cong-bat dau do mang trong vong 5-10phut se thay xuat hien lai chu G nhu thong thuong ma thoi.
>>cach nay sai voi mang viettel:vao nam 2006-2007 thi GPRS cua viettel co the sai thoai may tha ho ma bi am tien.nhung hien nay thi chi vai ngay sau khi sai chua se bi cat GPRS ngay.nhung hien nay viettel lien tuc tung ra nhung dau so moi thi he thong co bi loi.mot so dau so vi du nhu 01699-01687-01689-0979 bi loi ve phan GPRS co the sai lien tuc gan 3thang ma khong bi tru mot dong.nhung cung khong bi tru am tien nua.tai khoan van con tien ma khong hieu vi sao tong dai lai khong tru tien.chac la do bi loi cai gi do.
>>cach nay sai mang vinaphone:vinaphone voi cach thuc tru tien offline GPRS nhung tru rat la nhanh so voi hai mang moibifone va viettel thi he thong tinh tien GPRS cua vinaphone hien dai hon nhieu,chi sau 10-15 phut sau khi tai khoan het tien thi tong dai lap tuc cat mat GPRS cua ban ngay.nhung giai phap da co:vi he thong tru tien GPRS se tinh theo blog 10kb nen khi het tien thi chung ta khong nen thoat ra ngoai trinh duyet web ma hay de cho dien thoai trong che do web.neu thoat ra la se bi cat GPRS ngay.ma neu lam nhu vay thi dien thoai se khong lam duoc chuyen gi het.ban co the download thoai may.giai phap thu 2 la ban hay dung dien thoai cua minh ma ket noi voi may vi tinh dung dien thoai lam modem truy cap internet nhung nho khong nen tat may vi tinh neu khong thi vinaphone se cat day.co the down co thoai may.co the de may vi tinh chay ca ngay cung khong sao.
>>chuc cac ban thanh cong

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