One device can test the code one time only. You can subscribe directly if you are satisfy.
Why my new purchased code can’t activate which showing the code already be used?
1. whether install the correct apk? iview HD and iview HD plus are totally different apk. Please assure the right one installation.
2. whether you enter the code on the second device? One code be used on one device only.
3. contact us if not happened above 2 mistakes. We will check and reset.
Note: send us the order number & code & user ID to solve the problem.