Motorola Secret Codes

T205/T19x *#06# -> Displays imei *#300# OK -> List the Software & Hardware Version *#301# OK -> Full Keypads Functional Test *#303# Ok -> Set Default Language to English *304# OK -> Set OFF engineering mode #304*19980722# -> Set ON Engineering mode *#305# OK -> Location: 1 OK *#307# OK -> Engineering Test Mode *#311# OK -> Phone code changed to default code *#400# OK -> ADC, Cal val* *#402# OK -> Adjust Display Intensity/Contrast *#403# OK -> List the manufacturing Informations 19980722 OK -> Master Unlock code for Phone & Sim Lock *#302# OK -> Acoustic Test* *3370# -> Enhanced Full Rate #3370# -> Deactivate Enhanced full Rate *#72837726# OK -> Confirm?, Data Saved 1234 OK Phone Code Default *#0000# OK -> Settings saved, restore set phone to default language