Profile: - Allows cabbies to update their particulars including their email address, mobile number & App password. Feedback: - Allows cabbies to send feedback or enquiries to our Driver Relations Officers (DROs). System Requirements: - The CDG Zig Driver App runs on OS versions 14 and above. Features within this app may vary according to different OS versions and phone models. Note: Continued use of GPS in the background can dramatically decrease battery life.