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SMHUB Update via Type-C / Factory Restore

SMHUB OS v0.30B — Windows Flashing Guide (Step-by-Step)

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⚙️ What You’ll Do

  1. Download the ZIP file with firmware

  2. Unzip it

  3. Install the driver

  4. Open CMD as Administrator

  5. Go to the folder with flash.bat

  6. Run flash.bat

  7. Only then connect SMHUB to the PC

  8. Wait for flashing to finish

  9. Wait for first boot (LED cues)

🚫 Before You Start

You’ll need:

  • Windows 10 or 11 PC with administrator access

  • USB-C data cable (not just charging)

  • The firmware ZIP file (from the link above)

Do NOT:

  • Connect the SMHUB before starting flash.bat

  • Skip the driver installation

  • Run CMD without Administrator rights

🔴 Common user errors:

  1. Connecting SMHUB before flash.bat starts

  2. Not installing the driver

  3. Not running CMD as Administrator

1) Download the file

  • Click the firmware link above and save the ZIP file to your computer (e.g., Downloads).

  • [screenshot: browser download]

2) Unzip the archive

  • ight-click the ZIP file → Extract All… → choose a simple path (e.g., C:\SMHUB\firmware\)
    (Avoid paths with non-Latin characters or very long names.)

  • You should now see these files/folders inside the extracted directory:

    • driver\smhub-driver.exe

    • rom\emmc.img

    • rom\fip.bin

    • rom\partition_gpt.xml

    • usb_dl.exe

    • flash.bat

    • cv_dl_magic.bin

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3) Install the driver

  1. Open the driver folder.

  2. Double-click smhub-driver.exe.

  3. Complete the installation wizard. Allow the installer in Windows security prompts if shown.

  4. When it says Finished, close the installer.

If Windows asks for permission to install device software, click Install.

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4) Open Command Prompt as Administrator

  • Press Win key, type cmd.

    image.png

  • Right-click Command Prompt → Run as administrator.
    image.png

  • The title bar must say Administrator: Command Prompt.

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You’ll know it’s correct if the window title says Administrator: Command Prompt.

5) Go to the extracted folder

In the admin CMD, change directory to the folder with flash.bat. For this purposes, type cd C:\SMHUB\firmware and press Enter.

Hint: if your path is long for typing, copy it, and in CMD enter cd + do right click. This will insert Clipboard content into CMD window.

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6) Start the flashing script

Important: Do not connect the SMHUB yet. The script need to be run first.

Run: 
flash.bat

By typing this command flash.bat and pressing Enter button.

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7) Now connect the SMHUB

When flash.bat is running, connect SMHUB to the PC via USB-C.


The script will detect the device and begin flashing automatically. You’ll see progress output in the CMD window.

If nothing happens for ~a while, try another USB port or USB-C cable, but keep the script running while you reconnect the cable.

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8) Wait for “Flashing completed” (script finishes)

  • When the script completes, it will show a success message and return to the prompt or close.

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  • You can now safely disconnect the SMHUB from the PC and power it normally (via its regular power supply), or leave USB-C connected if it provides power.

9) First boot and LED cues (what “ready” looks like)

  • First start takes longer than subsequent boots. This is normal.

  • Blue LED (4G/Status):
    When the blue LED stops running, SSH is available.

    smhub-rotating.gif

  • Ambilight green LEDs:
    When all ambilight green LEDs are lit, the Web UI is ready.

You can proceed as soon as you see the respective cue:

  • SSH actions once blue LED stopped running.

  • Web administration once all green LEDs are lit.

[screenshot: example LED state — SSH ready]
[screenshot: example LED state — Web UI ready]

10) (Optional) Quick post-flash checks

Web UI:

  • Open a browser and go to: http://smhub.local/ (or your device’s IP).
    [screenshot: browser opening Web UI]

SSH (from Windows using built-in OpenSSH or PuTTY):

  • Hostname: smhub.local (or your device’s IP)

  • Username: smlight

  • Password: smlight

Example using Windows OpenSSH:


ssh smlight@smhub.local

[screenshot: SSH client ready screen]

Web UI:

  • Open a browser and go to: http://smhub.local/ (or your device’s IP).
    [screenshot: browser opening Web UI]

Troubleshooting

A) The script doesn’t detect my device

  • Most likely cause: Device connected before flash.bat.
    Fix: Close the script, unplug SMHUB, re-run steps 4–7 exactly: admin CMD → flash.bat → then connect SMHUB.

  • Try a different USB port or another data-capable USB-C cable.

B) Driver didn’t install or Windows blocked it

  • Re-run driver\smhub-driver.exe as admin.

  • Approve any Windows prompts.

  • Reboot Windows if the installer requests it, then try again.

C) “Access denied” or “cannot open port”

  • You’re likely not in an Administrator CMD. Close CMD, re-open as Administrator, repeat from step 5.

D) Flashing stops or errors out mid-way

  • Leave the CMD window open; wait a bit to ensure it’s not still working.

  • If it clearly failed, unplug SMHUB, close the CMD, reopen admin CMD, start flash.bat again, and only then plug SMHUB back in.

E) SSH/Web UI doesn’t come up after flashing

  • Give the device more time on the first boot.

  • Watch the LEDs:

    • Blue ambilight LED stopped running → SSH should be ready.

    • All ambilight greens lit → Web UI should be ready.

  • If still nothing, power-cycle the SMHUB and check your network/DHCP (try accessing by IP, not by hostname).

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