These add-ons include 10000 MB valid for mobile internet at maximum reachable speed, available for use on the territory of the Republic of Bulgaria and roaming in the European Union Zone from and to the mobile apps for smartphone and tablet. The activation of an add-on is possible at any time during the relevant billing cycle, except for the billing day and in case no other mobile Internet add-on for traffic is active for the specified applications.
The add-on is valid from the date of activation until the end of the current billing cycle and is renewed for each billing cycle until it is deactivated by the customer. The add-on can be deactivated through YettelApp. Unspent MB shall not be transferred for use in a subsequent billing cycle. With available MB of a traffic pass, the internet traffic from and to the respective apps does not deplete the included national and roaming in EU Zone MB at maximum reachable speed or such additionally purchased to the subscription plan.
It is possible that an app generates consumption from and to external pages, in which case the traffic is not considered as such from and to the apps and spends from the included in the plan or additionally purchased to it national and roaming in European Union Zone MB. After the depletion of the MB from the traffic pass, the traffic from and to the respective applications is spent by the included national and roaming in European Union Zone MB or additionally purchased to the subscription plan, if any are available. After depletion of the included or additionally purchased to the subscription plan national and roaming in EU zone MB per month, the connection speed drops until the end of the billing cycle for all Internet traffic, including from and to the respective applications, down to 64kbps.

The price of the add-on is invoiced and paid together with the services used under the contract for mobile services for the SIM card / mobile number for who the add-on is activated.

The one-month trial period is provided to customers using a subscription plan for mobile services, with included in the plan MB, which at the date of activation of the access to a digital service, inclusive, have not used access to the service as an add-one with and/or the service was not been activated in a slot in a subscription plan. After expiration of the one-month trial period, the service is charged a standard monthly subscription for the add-on in accordance with the price list shown in the table above. It is possible to benefit from the trial period for the service without payment only once for one mobile number (SIM card). The benefiting subscribers will be informed of the expiration of the period with a short text message (SMS) before the expiry of the trial period. The trial period is one month from the activation date, regardless of the billing date of the subscription plan for mobile services.