* # 06 # shows the IMEI (International Mobile Equipment Identity) code for Nokia 6150
* # 0000 # shows the software version your phone
* # 6110 # Try this code if the previous does not work
* # 746025625 # stop Sim-Clock (Mode saves the charge
battery)
This code will only work on phones with software version 5.24.
* [...]

Some very old Nokia phones can razlochit directly from the keyboard.
To do this:
1. Insert the card of another operator.
2. Turn on your phone and hold the button increases the volume of more than 3 sec., Then release and your phone asks PIN-code.
3. Click the button «C»
4. Then press the button several times * and [...]

Many users of this phone would like to copy a song from the flash card in the phone, but do not know how to do it, but there is only menu item «Move».
Nevertheless, the solution is. You need to enable playback of the desired song in media player and turn the player in the background.
Then [...]