*#9998*help# : truy cap menu tro giup. *#7465626# : tinh trang khoa may. *#7337# : unlock cho dien thoai doi moi. *2767*java# : khoi tao java, xoa java dang co. *2767*media# : xoa nhac, hinh. *2767*wap# : khoi tao laithong so wap. *2767*cust# : tao lai phan mem tu EEPROM. *2767*full# : tra lai tinh trang xuat xuong. *# 9998*java# : menu cac tinh nang tuong thich java. *# 9999*0# : che do man hinh. *# 9999# : phien ban firm ware. *# 0837# : thong tin cau truc phan mem. *#8888# : phien ban phan cung. *#9998*746# : thong tin ve sim. *#9998*778# : hien thi bang dich vu sim. *#0523# : do tuong phan. *#0842# : chuyen sang che do rung. *#0288# : thong tin tinh trang pin. *# 8999*228# : thong so ly thyet cua pin. *#9998*377# : xem danhsach cac loi. *#9998*782# : hien thi lich va dong ho bao thuc. *#9998*585# : thong tin vung bo nho cam truy cap(NNM). *#3243948# : tat tinh nang chong nhieu am thanh. *#0001# : hien thi thong so ve ket noi serial. *0001*s*f*t# : thay doi cac thong so cua ket noi serial (s = toc do; f = 0, 1; t = 0, 1). *# 9125# : bieu tuong matcuoi khi sac pin. *#8999*246# : tinh trangung dung. *#8999*289# : thay doi tan so chuong bao thuc. *#8999*324# : man hinh sua loi (dung cho KTV). *#8999*364# : bat tinh nang theo doi he thong WATCHDOG - mot ung dung java. *#8999*427# : xem thong tin do WATCHDOG cung cap. *# 8999*523# : thay doi tuong phan man hinh LCD. *# 8999*636# : tinh trangbo nho. *#8999*764# : dung luong cua sim. Mot cach kiem tra xem ban dang dung super sim hay khong (super co dung luong 64k). *# 8999*842# : kiem tra tinh nang rung cua dien thoai. *# 8999*862# : hien thi mot so tinh nang khi dungdien thoai voi carkit. *#8999*999# : lan kiem tra cuoi cung. *#8999*9266# : mot manhinh sua loi khac. *# 8999*638# : hien thi thong tin ve mang cua nha cung cap dich vu ma ban dang su dung. *# 9998*5646# : thay logo khoi dong. *#9998*76# : xem ma sosan pham. *#9998*968# : giai dieu dang duoc dung cho tinh nang bao thuc. (Ma bao ve mac dinh cua Samsung: 1111)