Nokia Firmware updates

[catnamedog]

Hi
Can anyone tell me how to update my 6230 firmware please? Its currently on 4.28, and I could also do with debranding. Can it be done wirelessly? Or will I need a data cable?
Thanks in advance
Ken

[Mark]

you need a lot more than a datacable to do this

but we do offer this service

http://www.fonefunshop.co.uk/Unlocking/debrand.htm