So i have Ios5 installed on my unlocked iphone4. my friends have gevey iphone 4. somehow we cant manage to use imessage. i mean i cant send normal text message to my friends, neither can they.i have two adresses on settings for messages. one of them is my number which can not be changed other one is my mail. i chose my mail as my Caller ID.i cant send text message.isnt that weird.i mean we should somehow choose to send either text or imessage.but i cant.is anyone having these issues.?? please help me. or i start hating Ios 5 already.