How to get iMessage to work and stop saying waiting for activation?

My iPhone 4s is broken really badly to the point the screen is black and blue, I bought an iPhone 5 with the same number and iMessage is not working it just keeps saying "waiting for activation"

You have to sign into iCloud on your phone and that should do the trick

You must have a active sim card in the iphone and turn on location service until imessage is achieved

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