My mobile phone is Unicom Apple 3GS. How to change the ringtone of SMS?

As far as I know, the SMS ringtone of IPHONE can only be replaced, not added;

There are six default SMS ringtones in OS4.x system, all of which are in /System/Library/Audio/UISounds, and the file name is sms-received*. caf (* = 1~6)。

Answer:

If you want to modify the system SMS ringtone, the premise is that your 3GS has escaped from prison.

Then download or make a. caf file and change the file name to sms-received*. Caf (please choose this * but it must be 1~6).

Upload it to the directory of the above one through ifun or itool software, and overwrite the original file.

In addition, third-party SMS software such as Bitesms also comes with more SMS ringtones to choose from.

The above are just the methods I know at present, I hope they are useful to you ... It would be great if you could learn some other methods through this post!