This firmware is only for D90 III SABRE and is NOT applicable to any other models. If this firmware is flashed to other models, it will immediately cause the product to be unusable and unable to repair by yourself. If the firmware of your DX9 is already V1.23, then your D90 III SABRE needn't this update.
What's updated:
* Adjustment: Modified the method of exiting standby mode. Instead of resetting the MCU for startup, the system now starts up without resetting.
* Adjustment: When powered on, if the Bluetooth remote control is not connected, the infrared remote control is enabled for control.
* New feature: Added a new system setting option: 12. BT aptX ON\OFF
Firmware and tools for Windows: Download here (Firmware and tools for Windows: Download here (This update requires a Windows 10 or higher OS with driver installed. Drivers could be download here).
Firmware and tools for MAC: Download here
If you have questions about the update of your D90 III SABRE, please contact us before updating this firmware.