Motorola mobile secrets codes

IMEI number:* # 0 6# (IMEI : International Mobile Equipment Identity)

The "master key" unlock code for phone and SIM card lock: 19980722 OK

Access the manufacturing information:*#403# OK

To change the phone's PIN number: [] [] [] 0 0 4 [] 1 []

Adding phonebook to the main menu: [] [] [] 1 0 5 [] 1 []

Turn on Enhanced Full Rate (improves call quality/trade off of using 5% more energy:*3370# ->

To make Enhanced Full Rate go away: #3370# ->

Change default language to English (lovely when renting cell abroad): *#303# Ok ->

Unlocking SIM after pressing wrong PIN three times ("puk" number): [] [] [] 0 0 5 [] 1 []

Copy your phonebook menu: [] [] [] 1 0 8 [] 1 []

Adding messages to main menu: [] [] [] 1 0 7 [] 1 []

Settings saved, restore set phone to default language *#0000# OK ->

List the Software & Hardware Version: *#300# OK ->

Set ON Engineering mode: #304*19980722# ->

And to make it go away: *304# OK ->

Turning the net monitor on: * * * 1 1 3 * 1 * [OK]

And off: same

In order to lock keys: *7 (press at same time)

Keypads functionality test: *#301# OK ->

Press to hear self indulgent, experimental music: #9

Net Monitor ON:* * * 1 1 3 * 1 * [OK]

Net Monitor OFF:* * * 1 1 3 * 1 * [OK]

* - press this until box shown up

Not all codes are guaranteed to work with all