Confirm licensing e-mail is correct and added to your device
Check that the e-mail address you submitted for licensing is registered in the system settings of your mobile device.
Try Gmail address vs @other e-mail addresses
We have found it is best to use a @gmail.com e-mail address, it often resolves hard to solve issues.
Contact us if neither of this resolves your issue or if you choose to change your licensed e-mail address.