Unlock your Siemens cellphone
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Unlocked phone will give you the opportunity to change the SIM card to a local provider when abroad, allowing much cheaper calls. It may also increase the value of the phone if you sell it.
You may download software to generate the unlocking code. Software is available on some websites for free and some pay websites that also offer support if things go wrong.
The coolest thind about Siemens cells is that you can even unlock them free. Search for a free software unlock calculator on the interned and you will definetly find a programm that will generate a free unlock code for you.
Be careful, entering a wrong code 5 times will mean that you will only be able to unlock the phone with a data cable.