Presently, non-jailbroken iPhone users cannot customize their incoming SMS alert tone. But if you have a jailbroken iPhone, you may follow these steps to customize your SMS alert tone .
Please note that you need to have OpenSSH installed on your iPhone. If you do not have it already, check out steps a-c. If you are looking for a tutorial to jailbreak your iPhone first, you may check out these
Please note that you need to have OpenSSH installed on your iPhone. If you do not have it already, check out steps a-c. If you are looking for a tutorial to jailbreak your iPhone first, you may check out these