Create a New Contact:

  1. Open “Phone
  2. Tap “+
  3. Enter the contact’s name
  4. Tap the button under “Contact type” and select an appropriate option
  5. Tap the button under “Phone” and select a phone number type
  6. Enter the contact’s phone number and other optional details in the appropriate fields
  7. Tap “Save

Import/Export Contacts:

  1. Launch “Phone
  2. Tap “Menu” > “Manage contacts
  3. Tap “Import/Export contacts
  4. Select to “Import from SD card”, “Import from SIM” or “Export to SD card
  5. Select the desired contacts or tap “Menu” > “Select all
  6. Tap “Save

Assign Contacts to Speed Dial:

  1. Launch “Phone
  2. Tap “Menu” > “Speed dial
  3. Tap “+” and select the contact you want to add to speed dialing
  4. Tap the “Number” button and select the desired phone number
  5. Tap the “Location” button and select the desired speed dial key
  6. Tap “save

Delete Contacts:

  1. Open “Contacts” and tap “Menu
  2. Tap “Delete contacts
  3. Tick the boxes linked with the contacts you want to remove
  4. Tap “Delete

Reset the Call Log:

  1. Launch “Phone
  2. Access “Call history
  3. To view more details on a call log entry, tap it
  4. To reset the call log, tap “Menu” > “Remove call history
  5. Tap “Menu” > “Select all” > “Delete
  6. Press “OK” to confirm

Create a New Caller Group:

  1. Launch “Phone
  2. Access “Groups
  3. Tap “+
  4. Enter the desired name for the group
  5. Tap “Save

Add Contacts to an Existing Caller Group:

  1. Launch “Phone
  2. Access “Groups
  3. Select the desired caller group and tap “+
  4. Tick the check boxes associated with the phone number you want to add to the group
  5. Tap “Save

See More: HTC Desire 12: Create & Manage Contacts and Caller Groups; Reset the Call Log