Upgrading z530i? - Esato archive

Posted by djoloman
Hey im new to this forum. I already tryed the SEARCH button to find things about upgrading z530i.
But i cant find annything.
Might people here that can help me upgrading my phone like those things:
Lock folders ( put an password on those things )
Camera driver ? i got z530i with an sort of badly camera might i can make better?
and i want help with my bluetooth.
I can send everyone files with bluetooth. But,, if people are sending me files with they're bluetooth i get an error like this:
Ur phone is mightly full.
Please delete some items.

But i got freaking 5,8MB left on mobile
and like 500MB on my memory stick