Realunix Pro Hg680p Install Exclusive -

RealUnix Pro HG680P — Installation Report

Flash the bootloader to eMMC

dd if=/boot/u-boot.bin.emmc of=/dev/mmcblk0 bs=1 count=444 dd if=/boot/u-boot.bin.emmc of=/dev/mmcblk0 bs=512 skip=1 seek=1

Expand the root partition (eMMC is 8GB, image may be smaller):

growpart /dev/mmcblk0 2
resize2fs /dev/mmcblk0p2   # if ext4
# or for F2FS: resize.f2fs /dev/mmcblk0p2

Reboot and remove SD card:

poweroff

Remove SD, power on. The box should now boot RealUNIX Pro from eMMC. realunix pro hg680p install

Troubleshooting Quick Fixes

Boot loop? Reflash with "Erase Bootloader" checked (only do this if you are 100% sure you have the correct bootloader).
No video signal? The HG680P has a dual HDMI/AV output. Hold the "TV Mode" button on the remote while booting to cycle resolutions.
Stuck at "Optimizing storage"? Your NAND is dying. Time to run everything off an SD card.

Have you managed to get Android 11 or PostmarketOS running on your HG680P? Drop a comment below!

Disclaimer: This guide is for educational purposes. Flashing custom firmware voids your warranty and may violate your ISP’s terms of service.

Since these devices often run Android and are refurbished for generic use, the "install" process usually involves flashing firmware or booting from an SD card. RealUnix Pro HG680P — Installation Report Flash the

Here is a structured text draft for a guide or forum post regarding this installation.

Step 1 – Download the Correct RealUnix Pro Build

Go to the official RealUnix Telegram or GitHub page. Look for the build labeled RealUnix-Pro-HG680P-vX.X.img.

⚠️ Do not use generic S905X builds – Wi-Fi, Bluetooth, and remote may not work. Expand the root partition (eMMC is 8GB, image

Step 2 – Install USB Burning Tool & Drivers

Install USB_Burning_Tool.exe (run as admin).
During installation, check “Install WorldCup Device Driver”.
After install, launch the tool and load your .img file via File → Import image.

Step 1: Entering USB Burning Mode

The HG680P does not have a dedicated reset button. You must short the test points:

Disconnect the power.
Connect the USB A-A cable from your PC to the USB port closest to the Ethernet port (Port #1).
Open USB Burning Tool. It should say "Connect success" – if not, short the pins.
Use tweezers to short the C125 and GND pads (look for two small holes labelled "UBOOT" near the NAND chip).
Plug in the power while holding the short. The PC will ding.

Configure wpa_supplicant

wpa_passphrase "YourSSID" "YourPassword" >> /etc/wpa_supplicant/wpa_supplicant.conf systemctl enable wpa_supplicant@wlan0