First and most important, does it have wifi calling?
Second, will tmo release say a 64gb?
Third, if I want to get a different color, or 64gb, can I get a dev edition, and flash tmos firmware? Will all the radios work, or will like it be like with the m7 and will I lose out on 4G (not LTE but between the 3G and LTE, I think it's WCDMA) this would be great help, my S4 is getting to me.
Thanks for the help
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