How to switch to contract without changing my phone or sim?

My phone carrier is AT&T, and I haven't had a formal contract for over 5 years.My minutes are still the same, but the specifi...

Is verizon free to other verizon cell phones even without the $15 card??

I have a verizon flip phone its nothing special but yesterday my brother gave me his old phone it is an envy 1 and I want to ...

I'm thinking about switching my phone from an LG Voyager to a Blackberry Pearl. Do you think it's a good idea?

Is it possible to switch my plan with the cell phone I have now onto a blackberry I own? Right now I have a 3 year contract...

I am changing phones with my boyfriend and want to save my contacts to sim not phone I have gi from tmobile

I just wondering about mobiles well im on contract but the bill when way to high so they cut me off its on orange a d500 and ...

does the samsung sch u740 alias cell phone take sim card

heeya :D I am currently searching ebay for a hello kitty phone which I want to get but I am on a contract with o2, does anyo...

Hey, got a motorola q9h off of ebay to use with a vodafone sim on contract. I works! but I have a question, will it cost me ...