Guest rccola Posted March 28, 2005 Report Posted March 28, 2005 right now i've got an att plan, but i'm looking to switch to cingular for the rollover minutes. of course my phone was created for att, and switching to cingular means a new sim card. the guy at cingular said that the sim cards for the plans are not interchangeable, and that i wouldn't be able to use is in my current phone. is there anything that i can do in order to use a new cingular sim card in my mpx200?
Guest awarner [MVP] Posted March 28, 2005 Report Posted March 28, 2005 What you need to find out is if Cingular is using the same frequency band as AT&T as some places in the US they do not. Unless you have had your Apart from that you will probably need to SIM unlock your phone as well but you need to check the band part first otherwise you will be wasting money in SIM unlocking.
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