SONY ERICSON

• *#06# xem imel
• *#7353273# kiem tra phien ban phan mem, hay thao sim ra
• 0# truy cap den so dt goi cuoi cung
• >*<<*<* truy cap me nu bi mat
• <**< thong tin ve sim lock
• **04*0000*0000*0000*0000# mo dt khi ko co sim
• 0000 hoac 00000000 ma bao ve mac dinh cua may