I have been a developer of window applications for many years and have finally decided to see about working with winphone. Sorry for the really basic questions but I am totally out of my depth here. Once I get started with the phone, the programming will not be such an issue as I have looked at some source code for winphone apps and it is all pretty straight forward stuff. I have installed the SDK and so far, so good.
I have owned a smart phone for two weeks so be gentle, please.
I have been given a Nokia 520 AT&T GoPhone as a test bed. It is of course locked to AT&T pre-paid. I would like to use the TMo SIM from my
current phone but the GoPhone spits on it with "unknown network."
I need to understand exactly what unlocking means. If I follow the process for a new ROM here...
Will the phone still be tied to the AT&T network or will the TMo SIM now work?
I have seen a section on the msoft site for dev-unlocking, I have paid the $19 fee to join the low-level devs and now wondering if that unlocking process will allow the use of the TMo SIM or must I buy an unlocked 520 or something else.
I'd really appreciate some guidance here.