If you have completed your subscription through Apple Store and paid the subscription fees from your credit card, but your account is still not activated, do the following:
1- Open Lamsa App on your iOS device.
2- Tap the crown icon on the top of the screen
3- Tap (Restore Apple Purchases)
4- Enter your Apple ID password or fingerprint, making sure you are using the same Apple ID you subscribed through.
*If you received a message of process failure, then check the conditions here, to ensure restoring your purchases.