Today we will explain how to set the lock code of our Nokia N97 or N97 Mini. Something simple and useful, to make life harder for thieves.

Steps:
In this way so simple, every time we turn on our Nokia will ask the lock code. In addition, it is good change the default code, so, if we have blocked our Nokia remotely via SMS, the thief do not have so easy.
And now we will activate the Phone autolock period, for this

We can also activate Lock if SIM card changed in Menu > Settings > Phone > Phone mgmt. > Security > Phone and SIM card, so it will be harder for the thief
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i forgot my lock code and i want to change it.
i forgot my lock code and i want to change it.
my cell phone tells me (code error) please help me!
i forgot my lock code and i want to change it.
i forgot my lock code and i want to change it.
I am facing the same problem.