Restore My Suspended Tango Account

I am using a Tango line in Kenya and my service was suddenly suspended without any prior notice or explanation. One day it was working normally, and then it stopped working without any warning or message from Tango. I tried to contact Tango customer service about this sudden suspension, but I did not receive any response from them. I still do not know the reason why my line was suspended. I request that my line be reactivated immediately and that I be informed clearly why it was suspended in the first place. My contact email is: gracemwi***@gmail.com.