Các mã số bí mật của MOTOROLA Acer Models Version SW & HW: *#300# OK Full KeyTest: *#301# OK Set Language to English: *#303# OK Set OFF engineering mode: *#304# OK Set ON engineering mode: #304*19980722# OK Engineering Test mode: *#307# OK Phone changed to default code: *#311# OK ADC, Cal val*: *#400# OK Adjust Display Intensity /Contrast *#402# OK List the Manufacturing Informations: *#403# OK Master Unlock code for Phone anh Sim lock: 19980722 Acoustic Test* *#302 OK P2K Models Version SW & HW: *#9999# Flash Mode: * + # + Power Enter NCK Mode: [/b] Put sim card no accepted anh whait 30 mn [/b] Old Models EFR ON: *3370# EFR OFF: 70# Confirm ?, Data saver: *#72837726# OK Phone code default: 1234 OK Setting saved, restore set phone do default language: *#0000# Display lock code: 59# Change lock code: 59#xxx# Display Security Code: 58# Change Security Code: 58#xxx# Display Modem S/W version: 20# Flex version : #02#...