My Viva is a simple solution for subscribers to check account balance, recharge it, switch to tariff plans, control available services, and much more. The app lets: ∙ Control account balance; ∙ Choose tariff plans and service, best fitting subscriber needs; ∙ Activate/deactivate services; ∙ Control Internet, airtime, and SMS packages; ∙ Check the nearest service centers; ∙ Contact the Hot Line; ∙ Exchange bonus points to gifts.