Phenique

Okay, I am a complete noob to cell phones, I know little to nothing about them sadly.

I currently own a Nokia 3120B cell phone(with cingular), I would like to upgrade to a new phone and have been eyeballing RAZRs from Motorola for quite awhile.

My friend recently got a blackberry and no longer uses his RAZR, I am wondering if I can place the SIM card into his RAZR and it would work. I know his RAZR is NOT T-mobile, but I believe he has verizon or sprint. Can I actually put my SIM card in it, or would that not work. The only reason I want his is that otherwise it's 60 bucks out of my pocket

My second question is that if I buy a cingular RAZR, will my SIM card from the Nokia 3120B work in it?

Any help would be appreciated!

Thanks