*#0084# chuyen sang TV
*#0086# chuyen sang TQ
*#0000# chuyen sang TA*#3646633# mo menu kiem tra loi
*#66# mo menu
Danh cho SAM SUNG
*#9998*help# truy cap menu
*#7765626# khoa may
*#7337# unlock djen thoaj
*#2767*java# khoj tao laj java
*#2767*media# xoa nhac va hjnh
*#0842# che do rung
*#3243948# tat am thanh may
*#8999*324# sua loj man hjnh dt
*#9998*5646# thay logo mang
Danh cho NOKIA
*#3370# kjch hoat EFR cho chat luong am thanh tot nhung ma hao pjn nha
#3370# tat EFR tu dong may tat nguon va tu dong mo may nguoc la
*#0000# xem thong tjn fan mem
*#7760# xem so seri
*#92702689# thong tjn cua may nhung phaj tat nguon roj mo may laj
*#746025625# kjem tra sjm co che do hao pjn kg
*#7780# khoj phuc caj dat goc (phaj bjet mk may) nhung may xe duyet vjrut dum ban/luu y:may se tat nguon va tu dong mo nguon nguoc laj
*#7370925538# luu bj mat walle
*#67705646# xoa logo mang
*#7230# tjet kjem thoj gjan truy cap GPRS
*#06# xem imel may
Danh cho MOTOROLA
*#06# xem Imel may
*#300#ok xem phjen ban phan mem
*#301#ok kjem tra ban phjm
*#303#ok chuyen sang tjeng Anh
*#311#ok doj mat khau mat djnh may
*#402#ok do tuong phang may
*#403#ok thong tjn cua may dt
Danh cho SONY
*#06# xem Imel
>*<<*< xem menu an
*#7353273# kjem tra phan mem(nho thao SIM ra nha ban)