Release Note
Supported Models
  • C31, HD580 2026, C6
Supported Remote Controller
  • HD402
Version Information
Aircraft Firmware Version
  • 3.49.7.1
Remote Controller / App Version
  • 3.5.8.2.ceresair
Main New Features
  1. Improved Drone Mapping and Field Survey Functions
  • Enhanced drone trajectory mapping and field surveying capabilities
  1. Optimized Terrain Following and Obstacle Avoidance Functions
  • Improved terrain-following performance
  • Enhanced obstacle avoidance behavior and flight stability
Fixes for Some Known Bugs:
Resonance Protection Optimization
BMP Barometer Abnormal Protection
C6 Takeoff / Return-to-Home Speed Issue
Spray System Accuracy Issue