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Voxel Custom Firmware Update Guide for Netgear Orbi RBK50 / RBR50

Overview

Voxel is a frequently updated custom firmware that includes the latest security fixes for the Netgear Orbi RBR50 series.

Original Forum Posts

• Original thread: SNBForums Original Post
• Latest thread: SNBForums Latest Post

Steps to Update (Normal Setup)

Step 0 — Backup Important Settings

Before proceeding, save or screenshot important configuration settings such as:

• PPPoE credentials
• ISP settings
• Static IP settings
• Port forwarding rules
• Wi-Fi names/passwords

Step 1 — Download the Original Firmware (Required for Downgrade)

Router Firmware (RBR50)

Download RBR50 Firmware v2.5.2.4

Satellite Firmware (RBS50)

Download RBS50 Firmware v2.5.2.4

Step 2 — Download the Latest Voxel Firmware

Firmware Page

Voxel Firmware Downloads

Current Latest Version

RBK50-V9.2.5.2.44SF-HW.zip

>

Firmware Installation Process

1. Disconnect the Internet

Disconnect your modem or WAN cable.

>

2. Log in to the Orbi Router

Using a desktop or laptop, open:

• Orbi Login (192.168.0.1)
• or Orbi Login (10.0.0.1)

Log in using your admin credentials.

3. Open Firmware Update Page

Navigate to:

Advanced → Administration → Firmware Update → Manual Update

4. Downgrade All Satellites First

For each satellite:

1. Upload the RBS50 firmware from Step 1
2. Wait for the installation and reboot to complete
3. Confirm the firmware version is now 2.5.2.4

Repeat for all satellites.

5. Downgrade the Router

Upload the RBR50 firmware (2.5.2.4) to the main router.

After rebooting, confirm:

• Router firmware = 2.5.2.4
• All satellites firmware = 2.5.2.4

6. Install Voxel Firmware on Satellites

Install the Voxel satellite firmware:

RBS50-V9.2.5.2.44SF-HW.img

Do this on all satellites first.

Wait until each satellite fully reboots and confirms the new firmware version.

7. Install Voxel Firmware on the Router

Finally, install:

RBR50-V9.2.5.2.44SF-HW.img

on the main router.

Final Confirmation

Once installation is complete:

• The login page should display the Voxel branding/name at the top.
• Reconnect your modem/internet connection.
• Verify internet connectivity and device synchronization.

Important Notes

• Always upgrade satellites before the main router.
• Never interrupt power during firmware installation.
• Allow several minutes for each reboot/update cycle.
• Keep a wired connection if possible during upgrades.

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