NOKIA: Xem IMEI *#06# . Bat che do EFR cho chat luong am thanh tot *3370# . Tat che do EFR #3370# . Kich hoat che do HRC chat luong am thanh kem *4720# . Tat che do HRC #4720# . Thong tin phan mem,phien ban,ngay san xuat *#0000# . Xem seri san pham *#7760# . Xem cac thong tin bao hanh *#92702689# . Kiem tra sim co che do tiet kiem pin hay khong *#746025625# . Khoi phuc cai dat goc *#7780# . Xoa du lieu thong tin khoa bang ma da bi quen *#7370925538# . Xoa logo mang *#67705646# . Bat che do PCCCH *#7220# . Tat che do PCCCH *#7230# . Kiem tra thong tin bao hanh *#92702689# . Khoi dong lai may *#3370# . Thong tin ve sim bi khoa *#92702689# . Hien thi ma bi mat dang su dung *#2640# . Xoa bo chi tieu *#3925538# . Tiet kiem thoi gian truy cap GPRS *#7220# . Kiem tra co bluetooth hay khong *#2820# . Format symbian s60 *#7370# . Symbian kiem tra co khoa hay khong #pw+1234567890+1# hoac +2# ,+3#,+4#,+5#,+6#,+7# . Mo khoa ma symbian #pw+xxxxxxxxxxxxxxx+1# hoac +2#,+3#,+4#,+5#,+6#,+7# .
SAMSUNG: Xem IMEI *#06# . Hien thi phien ban phan mem *#9999# . Hien thi cac thong so dung giao tiep voi may tinh *#0001# . Thay doi cac thong so giao tiep voi may tinh *0001*s*f*t# . Khoi phuc toan bo thong tin trong EEPROM ve mat dinh *2767*3855# . Hien thi cac loi cua EEPROM *#8999*377# . Xem trang thai chuong trinh *#8999*246# . Thay doi tan so am thanh canh bao *#8999*289# . Hien thi man hinh sua loi *#8999*324# . Chinh do tuong phan man hinh *#8999*523# . Xem trang thai bo nho *#8999*636# . Hien thi bang dich vu cua sim *#8999*778# . Kiem tra che do rung *#8999*842# . Mo man hinh go loi *#8999*9266# . Phien ban phan mem *#8999*9999# . Kiem tra che do hoat dong cua pin *#9998*228# . Chinh do phan giai man hinh *#0523# . Ho tro ben trong *#52828378# hoac *#5737425# . Kiem tra voicastkid lan cuoi *#8999*9266# . Vung bo nho cam NVW *#3243948# . Thong tin ket noi *#9125# . Tinh trang ung dung *#8999*289# . Co su dung supper hay khong *#8999*364# . Theo doi mot java *#8999*427# . Do vach cung cap *#8999*523# .
MOTOROLA: Xem IMEI *#06# . Xem phien ban phan mem *#300# . Kiem tra ban phim *#301# . Chuyen sang tieng anh *#303# . Bat engincering mode #304*19980722# . Tat engincering code *#304# . Kiem tra *#307# . Doi code mat dinh cua may *#311# . Chinh do tuong phan man hinh *#402# . Thong tin tu nha san xuat *#403# . Quan ly mat ma *#19980722# .
TRUNG QUOC: Xem IMEI *#06# . Xem phien ban phan mem *#3646633# . Xem cac tinh nang an *#66*# . Chuyen doi sang ngon ngu tieng anh *#0000# . Chuyen doi sang ngon ngu tieng viet *#0084# . Chuyen sang tieng hoa *#0086# .
SONY ERICSON: Xem IMEI *#06# . Kiem tra phien ban phan mem *#7353273# .
Meo S60 co nhung chuc nang ma khong duoc hien thi tren menu:
Chuc nang speed dial:
Bam va giu phim chon phai. May se hien ra menu speed dial
Chuc nang coppy: bam va giu phim co hinh cay but chi. Sau do bam phim di chuyen va chon muc coppy. De dan noi dung da coppy bam va giu phim but chi, chon muc paste
Chuc nang task manager: bam va giu phim menu. May se hien het ung dung dang chay. De dong 1 ung dung bam phim C.


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