How does iphone5 send text messages regularly?

Iphone5 sends text messages regularly and needs to escape from prison. After jailbreak, it is implemented with biteSMS plug-in.

1. Open Cydia to search biteSMS and install it;

2. In the SMS content interface, press and hold the SMS content, and select "Forward" in the pop-up menu;

3. The recipient fills in the mobile phone number to be sent, clicks the "+"sign on the left side of the input box to pop up the menu, and selects the clock number to set the time;

4. Set the sending time and click Finish.