How can I completely delete my mobile phone information chat record?

The method of deleting SMS on Android phone: open SMS-long press a message-select Delete.

The steps to completely empty the storage space of mobile phone WeChat are as follows:

1. First open WeChat and click "I" in the lower right corner.

2. Then find the setting options and click Enter.

3. Find GM in the setting interface and click.

4. Then, find the option to empty the tipsy storage space, and you can empty the space.

5. Enter the WeChat storage space to clean up and you can see the space occupied by WeChat. Click "View WeChat Storage Space" to see the specific chat space occupied by friends/groups.

6. Then check the chat to be deleted, and finally click Delete.

Tips: Deleting the conversation data will delete the videos, pictures and other records in the conversation.