Managing Contacts
Editing a contact
After creating a contact, you can edit their contact information at any time. This includes adding or deleting default information such as phone numbers or email addresses. You can also choose a custom ringtone and add a birthday, nickname, or photo.
Contact photos cannot be added for contacts stored on your SIM card.
1. Open 
Contacts.
2. Touch and hold the contact you want to edit, and then touch Edit.
3. Touch the contact’s portrait to choose another image. Update the contact’s information, and then touch
.
Add multiple numbers for one contact: Select a contact from the contact list and touch Edit > Add phone number.
Merging duplicate contacts
When you add contacts to your device from different sources, you may end up with duplicate entries. These duplicate entries can be merged into one to help keep your contacts organized.
1. Open Contacts.
2. Touch
> Organize contacts > Merge duplicate contacts.
3. Select the contacts you want to merge and touch.
Deleting contacts
1. Open Contacts.
2. Touch > Organize contacts > Delete contacts by batch.
3. Select the contacts you want to delete, and then touch .
4. Touch Delete
.
Alternatively, touch and hold a contact until a popup menu appears. From here, select Delete to delete the contact
Deleting contact history
Delete call records and text messages by contact to protect your privacy.
1. Open Contacts.
2. Select a contact and touch > Erase traces > Erase.
Your device will delete all call records and text messages for the selected contact.
Adding contacts to the blacklist
1. Open Contacts.
2. Touch and hold the contact that you want to add to the blacklist, and then touch Add to blacklist.
Your device will automatically block incoming calls and messages from blacklisted contacts.
– View blacklisted contacts: Open 
Phone Manager and touch Blocked
> . Touch Numbers blacklist to view blacklisted contacts.
– Remove contacts from the blacklist: Open Contacts. Touch and hold the contact that you want to remove from the blacklist, and then touch Remove from blacklist.
Identifying contacts with incomplete information
1. Open Contacts.
2. Touch > Organize contacts > Contacts with incomplete info.
3 .Your device will display a list of You can then choose to add missing information or delete unwanted contacts.
Questions about your Huawei Mate 10? Post in the comments!
Huawei Mate 10 Manual [PDF]