Firmware for restoring the Magcubic HY300 Pro, Magcubic Pro, and Magcubic Ultra projector series; with minor differences, all of them are powered by the popular Allwinner H726 SoC.
The HY300 Pro / Pro / Ultraprojector features LCD technology and a native HD 720p resolution of 1280 x 720 pixels. This projector is powered by the Allwinner H726, manufactured on a 22-nm process. The chip includes four ARM Cortex-A53 processors capable of reaching 1.8 GHz and an ARM Mali-G31 MP2 GPU with support for HDR10 video and MEMC. The motherboard also features 1 GB of DDR4 RAM, 8 GB of storage, Wi-Fi 6, and Bluetooth 5.4.
- The HY300 Pro Android projector is available on AliExpress starting at just $19.

Firmware for Magcubic HY300 Pro / Pro / Ultra H726
- Download the firmware / ROM for the Magcubic HY300 Pro projector with the Allwinner H726 SoC.
- Download the firmware/ROM for the Magcubic HY300 Pro projector with the Allwinner H726 SoC.
- Download the firmware / ROM for the Magcubic HY300 Ultra projector with Allwinner H726 SoC.
- Update the firmware by following ourAllwinner H726 Processor Update Guide.
Update Process
- Use a paperclip to hold down the flash button above the HDMI port.
- Connect the projector to a PC using a USB-A to USB-A cable.
- Plug in the power cord.
- The flashing program in the manual will detect the projector, and you’ll be able to flash the firmware.
List of Changes
- Added root access.