When a new update is released, typically through the developer’s devlog, a unique code is provided to supporters. Inputting this code into the in-game "phone" allows access to:

Always copy your original .NTRBCKP file to an external folder prior to modification Managing Updates and Troubleshooting Codes

Quickly check if your calls, SMS, or data are being forwarded to unknown numbers.

Provides a precise measurement of your cellular signal in decibels (dBm). -50 to -80 dBm indicates an excellent, perfect signal.

Because the game functions around a simulated smartphone interface, entering correct "exclusive codes" alters variables in the Godot engine framework, granting permanent access to hidden character pathways like the Lilith Update. This comprehensive breakdown explains how these exclusive codes function, how they impact specific character routes, and alternative structural methods to unlock your in-game smartphone gallery. How NTR Phone Exclusive Codes Work