I need ansor for some question

[AYARI BEDIE]

Dear frien:
I'm new with BB 8900 curve and I need to know somhing,
I need anser for this 2 question:
1-what is mean OS ?
-for why we use the updaet for our OS ?
-what is the stuep to do this updaet ?
-can I make my BB do the updet by itself when I connect with intenet?
( I need to know if it's possibel or not and how can I do that ?)
2-why my BB 8900 curve don't connect with my wifi ?
in the first I try and he work very well and the next day they find my wifi intenet,
but when I oppen homme page they give my messag to contact my broussor
Any solution for this poblem please .
Thank you for your undretanding .

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