Motorola moto g7 - Settings: Network and internet

6. Do one of the following:
•
To add to an existing contact, touch Add to existing.
•
To set up a new contact, add contact details.
7.
Touch or Save.
Delete calls from history
Caution: There’s no way to restore the history after you delete it.
To delete one call:
1.
Touch .
2.
Touch .
3. Touch & hold the number.
4.
Touch .
To delete all calls:
1.
Touch .
2.
Touch > Call history.
3.
Touch > Clear call history.
Contacts, calls, voicemail : Phone calls 135