Knowledge Base
Companion

Main screen overview

The main screen displays the following interface elements:

  • Menu bar
  • Account balance
  • Core Tools for controller management and device firmware operations
  • Status bar
  • Controller Information Panel


Menu bar sections:
  • CID — Displays the program's unique Client ID and its current registration status.
  • Tools — Contains essential utilities including DJI drivers, the firmware library, an add-ons manager, and additional software tools.
  • COS — Provides access to specialized service and system maintenance features.
  • Modes — Allows you to select the program's operational mode. Detailed information is available in the corresponding section.
  • Settings — Configuration menu for the program's parameters. Details can be found in the settings guide.
  • Help — Offers quick links to the project website, knowledge base, support chat, and the COS Store.
  • About — Shows the current version of the Companion application.
  • Activate Pro — Enables the Pro version of Companion using a valid activation key.