what is dct4 & dongle ???

[beethoven]

please i want to know what is dct4 & dongle ???
programe or hardware or cable ???

my problem is : -
i want to upgrade my nokia 3510 to last version . but i do not know how can i do this ???

i downlaoded last version and some programes like phoniex ( phoniex programe want nokia dongle for run ??? )

thank you for your help

[Yotamz]

dct4 is the name of the new generation of nokia phones (including 3510).

a dongle is a small hardware device that connects to the lpt port. dongles are used to protect software (like the phoenix software) from being copied as they can't run without them.