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No, the VoLTE service is not accessible for customers on prepaid plans.

VoLTE calls are not charged additionally and are priced according to the plan used and do not consume the available MB mobile internet.

VoLTE is a technology for voice over 4G network - it uses data packs to make HD calls. This allows for clearer sound than that transmitted over 2G and 3G networks.

It depends on the duration specified by the sender. If it is set to maximum, messages will be kept in the SMS Center for 5 days.

The roaming service for prepaid cards is activated by dialing *111# from your mobile telephone and pressing the calling button. You will receive an SMS with confirmation for successful service activation.

Another option is to call the Customer Service Department for assistance (0.10 BGN/min).

In case of a lost/ stolen SIM card the user should promptly inform Yettel’s Customers Services centre by calling 123 (089 123) and within 48 hours to confirm in writing their request to stop the access to the stolen/ lost SIM card. In such cases the lost/stolen SIM card has to be replaced. In case of theft, loss or other reason of replacement of the SIM card, the price of the new one is as follows:

If your phone does not support MMS, you can see messages sent to you on the following Internet address mms.telenor.bg. The message will be stored for 3 days. Moreover, when someone sends you an MMS you will receive an SMS with the address to which you can see it, and the necessary username and password.

The number of MMS messages that can be saved in the phone, depends on the phone memory and the size of the messages.

Yes. If you were not out of coverage for more than 5 days and if you have not received more than 15 messages.