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I want to either edit the existing groups' descriptions or delete them as the group names ain't relevant to me and only fill my list of groups unneccessary

Create a New Contact:

1. Launch “Contacts”
2. Select to save the contact on the “SIM card”, “Device”, or on your “Google” account
3. Enter the contact’s name, phone number, and other details in the right fields
4. When ready, tap “Save”

Import / Export Contacts:

1. Open “Contacts”
2. Tap “More” > “Settings”
3. Tap “Import / Export contacts”
4. Choose to import or export contacts and follow the on-screen steps according to your initial selection

Delete Contacts:

1. Launch “Contacts”
2. Tap the desired contact
3. Tap “More” > “Delete”
4. Tap “Delete” a second time to confirm

Add a Contact to Speed Dial:

1. Tap “Phone” on the home screen
2. Tap “Menu” > “Speed dial”
3. Select the speed dial number you want to use
4. Tap the contact you want to link with the speed dial number
5. Press “Back” to save the changes

Reset the Call Log:

1. Open “Phone”
2. Access the “Logs” tab
3. Select a call log entry to view more details
4. To clear the call log, go to the “Logs” tab and tap “Menu”
5. Next, tap “Settings” > “Edit” > “All” > “Delete” to confirm

Create a Caller Group via New Contact:

1. Open “Contacts”
2. Select a contact to add to the group you wish to create
3. Tap “Edit” > “Groups” > “Create group”
4. Enter the group’s name
5. Tap “Create” > “Back” > “Save”

Add a Contact to an Existing Caller Group:

1. Launch “Contacts” and select the desired contact
2. Tap “Edit” > “Groups”
3. Select the desired group and tap “Back”
4. Tap “Save”