I have MTS Prepaid Cellular....MTS Evolve, and a high balance which expires on July 14/15. I know that I read somewhere a few weeks ago where it was stated that there is a 7 day grace period to top-up the account after the 30 day top-up date. I have tried with no success to find that information. There is no problem topping-up the account, I just need an extra 4 days to do it. Does anyone know about the top-up grace period I am talking about. Thank you.