Dial 1909 from your Vi number
Follow the IVR prompts to activate DND
Send an SMS with START 0 to 1909 to block all promotional calls and messages
Send an SMS with START 1 to 1909 to block banking, insurance, and financial promotions
Send an SMS with START 2 to 1909 to block real estate promotions
Send an SMS with START 3 to 1909 to block education promotions
Send an SMS with START 4 to 1909 to block health promotions
Send an SMS with START 5 to 1909 to block consumer goods and automobiles promotions
Send an SMS with START 6 to 1909 to block communication and entertainment promotions
Send an SMS with START 7 to 1909 to block tourism promotions
Send an SMS with START 8 to 1909 to block all other promotional categories
Use the Vi app or Vi website to manage DND settings
Wait for the activation confirmation from Vi