Due to security measures, some of the NTT Game accounts NTTNow bounds have been reset. These accounts' owners need to bind their accounts on NTTNow application again to connect Altar, Vega and Sirius servers.
If you having trouble with binding on NTTNow application, please create a ticket on Customer Support/NTTNow category which include your phone number, device's brand/model and if it's possible, a screenshot that shows the error that you encountered.
Users who will install the AnyOTP application onto Android devices can download the application here.
IOS users can download the applicaton from Apple Store.