How to delete all the call records and SMS records of the specified person?

Delete a single call record. I believe all my friends except Comrade Apple Xiaobai will know this method. That is, in the call record, select a person's phone, swipe left or right until the "Delete" button as shown in the figure below appears, and then click "Delete". Deleting a single call record Deleting all call records Deleting all call records is also very simple. In Recent Calls, select Edit in the upper right corner, Clear in the upper left corner, and then click Clear Recent Calls. Delete all call records Delete all short messages of a single contact: Method 1: Open Info, slide left or right in the contact bar to delete, and a red "Delete" button appears. Click to delete all messages of a single contact. Method 2: Click "Edit" in the upper left corner, and then click the red sign of the line of the contact to be deleted, and a red "Delete" button will appear. Delete all messages of a single contact. Delete one message and enter the message list. Click "Edit" in the upper right corner to select the message to delete. The selected messages will be marked with a red check mark. Click "Delete" at the bottom after it is selected.