To add or remove individual contacts in smsmode©, follow these steps:
Add an individual contact:- Log in to your smsmode© account with your login data.
 - Go to the "Manage contacts" or "Address Book" section.
 - Find the option "Add a contact" or "New contact".
 - Fill in the contact's details, such as phone number, last name, first name, etc.
 - You can also add the contact to an existing group or create a new group for this contact.
 - Save the contact to add it to your contact list.
 
Delete an individual contact:
- Go to the "Manage contacts" or "Address Book" section.
 - Find the contact you want to delete in the list of existing contacts.
 - Tap on the contact to select it.
 - Find the "Delete contact" or "Delete" option and confirm the deletion when prompted.