Please familiarize yourself with the instructions on changing your status from various devices:
Enter the profile menu on the left side of the screen from the game's main screen --> Tap the bright line above your avatar in the upper area of the window that opens. Choose the nickname you want and press 'Enter' on your device's keyboard.
Your status may be reset by the moderator team if it contains swear words or other symbols or words unsuitable for 12+ content. If you cannot change your status for any reason, please contact support. We'll be sure to help you.