Hey..As the title mentions its about buying an I-phone 4.The issue is that currently my sister in U.S is using an I-phone 4,which is under an AT&T contract,so when the I-phone 5 releases in september,if she upgrades to it then will she able to retain her old phone(I-phone4)? Will her old phone be unlocked? If so then she will be sending her I-phone 4 to me. N also will i be able to jailbreak it and use it with my GSM connection(vodafone) here?
Secondly even if the above mentioned idea doesn't work,then how long after the release of I-phone 5 will it take for the price of I-phone 4 to fall in U.S? and any approximation by how much?
Please everybody share your knowledge and help me out.
I have been waiting for a very long time to get my hands on an I-phone 4 so getting very eager and impatient now.Even considering of going to a local I-Store rite away and picking it up for 33K!
Please help me with your suggestions.
Thanks
Secondly even if the above mentioned idea doesn't work,then how long after the release of I-phone 5 will it take for the price of I-phone 4 to fall in U.S? and any approximation by how much?

Please everybody share your knowledge and help me out.
I have been waiting for a very long time to get my hands on an I-phone 4 so getting very eager and impatient now.Even considering of going to a local I-Store rite away and picking it up for 33K!
Please help me with your suggestions.
Thanks
