Wil not work

As salaamu Alaikum wa rahmatullāhi wa barakatu this is a good app but for some reason after I paid my money for the rest of the surahs and books it will not work or let me see them even after I reset it. And I have deleted and reinstalled the app and it still is not working.

Kailasabu24 about AL QURAN - Tafsir Best translations in english & arabic قرآن تفسیر & Sahih Bukhari Muslim for Ramadan 2016