I have been using the iphone 3GS from the past several months and I am very much familiar with its features and functions. I do know how to customize things in this. I have heard that for any customization in iphone or ios capable to device you need to do a jailbreak. Without jailbreaking many people are saying that it is not possible to do things in this phone. However in my case I would like to put custom text message alerts in this phone and that is even without jailbreaking the device. Is this possible?
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