The application Mobirich allows you to sell unused SMS.
Install the program for automatic earnings on the Android smartphone.

A very convenient mobile application that allows you to sell unused SMS. See how it works. Perhaps you signed a contract with your mobile operator and in the services, you purchased dozens of SMS remain unused every month.

So why overpay? You can use the mobile application and return the money spent on SMS that you have not used!

Official mobirich website