T-Mobile phones and SIM cards

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...

I have a samsung tmobile phone and I want to put my unicel sim card in it, but when I do it says wrong card? is there an unlo...

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 ...

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

my sim card like messed up and now I need a new one. how much are they ?

I have bought a micro sd card for my lg viewty mobile phone, my phone memory is full. I have put it in and to format it I nee...

how can i work with two sims on the same mobile?

How are vodafone mobile phones? User friendly? Good?

So on May 31, T-Mobile is going to shut down the sidekicks & delete all the data .. I have 77 messages that I want to save I ...