From the Home screen, tap Apps (in the Quick
Access Bar), > Contacts
to open
your contacts.
Tap the Groups tab (at the top of the screen), then tap the New Group icon .
Select the account where you want to create the group and enter a group name.
Tap Add members and select the contacts you want to add, then tap Add.
Tap Save to save the group.
If you delete a group, the contacts assigned to that group will not be lost. They will remain in your contacts.