How to get 4G on my iphone 4 from t-mobile?
My sister just got it, by updating some t-mobile iso thing, but she forgot how she did it. Can someone please help me? Please, thanks.
The iphone 4 does not support 4g only the 4s and 5 does but there's a carrier update for the iphones on tmobile go to setting>general>about and it should pop up just keep trying until you get it.
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