iPhone 6gb..want to change phone to either Xperia Pro or Samsung S Glide

[wireless]

Hi After a year and a half with my iP4 I am tired of not having a physical keyboard. I had one prior to the iP4. I am looking at preferably the SE Xperia Pro which is a Fido phone or the Rogers Samsung S Glide. If I get a phone from another carrier aka Fido will there be a problem when I put my...

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