DJI Digital FPV System Release Notes

Firmware Versions

What's New?

• 2021.07.27: Added support for new Air Unit (Lite) hardware.
• 2021.03.02: Added ability to switch goggles to DJI FPV. Fixed issue: coordinate information on custom on-screen display was incorrect when using third-party modules in some areas.
• 2021.02.09: Fixed issue: could not adjust screen brightness on some DJI Goggles V2.
• 2020.07.08: Added 50Mbps bitrate mode for better image quality. Added frequency range display for each channel in 25Mbps bitrate mode. Optimized power algorithm for improved video transmission stability and locating lost aircraft. Optimized user experience with multiple devices. Fixed rare issue with simulator connection causing aircraft vibration. Fixed update failure report issue. Fixed rare issue of air unit automatically stopping recording during flight.
• 2020.04.13: Added ability to view HDMI live broadcast by connecting goggles to DJI Smart Controller. Added custom on-screen display information: home point direction, home point distance, altitude, and GPS speed. Added on-screen flashing prompt for weak signal. Added menu setting to enable recording after unlocking flight controller. Added menu setting for low battery warning alarm. Added support for Caddx Nebula camera model. Optimized AV IN interface display and operation. Fixed issue: screen blurred or froze when unlocking Air Unit (Lite). Fixed issue: operation delayed when using remote controller on simulator. Fixed rare issue: PID tuning did not take effect after settings change.
• 2020.01.19: Optimized custom on-screen display of goggles; on-screen display will not be disabled when video transmission is disconnected.
• 2020.01.13: Added support for Air Unit (Lite). Added on-screen display for remote controller signal strength. Optimized custom on-screen display of goggles by updating center point icon. Optimized flight controller protocol settings, removing the need to restart the air unit. Optimized on-screen display of goggles in certain situations. Fixed rare issue: public channel displayed incorrectly after enabling custom on-screen display.
• 2019.12.02: Added support for recording AV IN analog video transmission. Fixed display issues in AV IN analog video transmission. Optimized AV IN analog video transmission performance. Added ability to customize on-screen display information (up to 24 OSD items). Added ability to adjust frame rate and bit rate based on distance and channel bandwidth. Added support to connect remote controller via USB cable to PC for simulator play. Goggles enter Channel 1 by default after activation. Optimized UI menu of PID Tuning. Optimized microSD card error type. Fixed issue: playback speed was slow when playing 120fps video.
• 2019.11.01: Added Auto to Focus mode. Added 200mw and 500mw power limit options for video transmission. Added framing lines with adjustable size and position for DJI Osmo Action. Added support for saving on-screen display information as subtitle files. Added screensaver for goggles. Changed DJI HDL to Sbus Baud Fast under Protocol. Optimized multilingual text. Optimized AV IN analog video transmission display. Added microSD card error prompt for slow writing speed. Fixed issue: microSD card could be formatted while recording. Fixed occasional issue: only air unit recorded when set to record simultaneously. Fixed rare issue: UI interface froze during playback. Fixed issue: writing issue during recording caused screen blur or freeze. Addressed arming prevention command issue related to Betaflight Configurator and DJI FPV Air Unit connection.
• 2019.07.31: Added ability to set storage mode (Overwrite or Stop When Full) for air unit or goggles. Added ability to set protocol between air unit and flight controller (Normal (S.Bus) or DJI HDL). Added display for public channel (CH8). Added firmware detection prompt for version mismatches. Fixed occasional issue: remote controller unable to unlock third-party flight controller. Removed alert when remote controller is in public channel. Optimized screen display for live view. Optimized file loading speed for playback. Optimized battery level detection for goggles. Optimized viewing experience in Audience mode. Optimized screen display of remote controller during calibration.

Notice:

• Restart the air unit, goggles, and remote controller once the update is complete.
• Ensure that the firmware of the air unit, goggles, and remote controller are in the same version. Check firmware version in Setting, Device Info, and then Device Info on goggles.
• If the firmware update fails, restart the device and DJI Assistant 2 (DJI FPV Series), and try updating again.
• Update the Air Unit (Lite) in a well-ventilated area. Ensure goggles and remote controller are powered off before updating the Air Unit (Lite). Do not touch the Air Unit (Lite) during update as it may get hot. If the update fails, wait for the Air Unit (Lite) to cool down before trying again.
• Restart the air unit after setting the protocol between the air unit and flight controller.

Coming in Next Update:

• Optimize the flight controller on-screen display information and add ability to customize the display.
• Support for recording AV IN analog video transmission.
• High bitrate mode (50Mbps), which provides better image quality.