Why cant i change from subscription to pay by traffic?
No problem. 
I’d changed your data plan to PPT (Pay Per Traffic) and reset your changeable date too. If you’d like to change it back I think you can do again.
Why cant i change from subscription to pay by traffic?
No problem. I’d changed your data plan to PPT (Pay Per Traffic) and reset your changeable date too. If you’d like to change it back I think you can do again.