Create a New Contact:

1. Launch “Contacts”
2. Tap “+” and select to store the contact on the “SIM card”, “Device”, or on your “Google” account
3. Enter the contact’s name, phone number, email address, and other details in the appropriate fields
4. Tap “Save”

Import / Export Contacts:

1. Open “Contacts”
2. Tap “More” > “Settings”
3. Tap “Import / Export contacts”
4. Perform one of the following steps:
   
   • Tap “Import” > “Device storage” > “Device”
   • Tap “Export”, select the desired location, and tap “OK”

Link a Contact to Speed Dial:

1. Open “Phone”
2. Tap “More” > “Speed dial”
3. Select the speed dial number you want to use
4. Select the contact you want to link to the speed dial number
5. Tap “Back” to save the changes

Delete a Contact:

1. Launch “Contacts”
2. Select the desired contact
3. Tap “More” > “Delete”
4. Tap “Delete” again to confirm

Create a New Caller Group via Contact:

1. Open “Contacts”
2. Select the contact you want to use for creating a new group
3. Tap “Edit” > “Groups”
4. Tap “Create group”
5. Enter the desired name for the group and tap “Create”
6. Tap “Back” > “Save”

Add Contacts to an Existing Caller Group:

1. Launch “Contacts”
2. Select the contact you wish to add to the group
3. Tap “Edit” > “Groups”
4. Select the desired group and tap “Back”
5. Tap “Save” to confirm

Reset the Call Log:

1. On the home screen, tap “Phone”
2. Access the “Logs” tab
3. Select a call log entry to view more details on it
4. To clear the call log, access the “Logs” screen and tap “More”
5. Go to “Settings” > “Edit” > “Select log items”
6. Tap “Delete”