How to delete the signature of bullfrog assistant 10 times?

Delete steps are as follows:

1. Open the bullfrog assistant and enter the personal center interface.

2. In the personal center interface, find the option to modify the signature and click.

3. After entering the modify signature interface, find the Clear All button and click.

4. After clearing the number of signatures, click the Save Changes button.

5. After waiting for the prompt of successful saving, exit the modify signature interface.