Everything is OK, but there is no voice call/dialing option. Please provide voice call or dialing option through an update and we will be highly obliged thereby
You will have to forward this inquiry to the official developers, since it's an issue that is related to their service functionality, and besides, they're the only ones who can provide an official statement about the problems you might encounter. Use the link posted below to reach the page where you can get in touch with the ZTE developers and support team.
