Updating your Septentrio GPS/GNSS receiver firmware helps improve receiver performance, GNSS signal tracking, compatibility with new satellite systems, stability, and reliability. Septentrio provides firmware updates for supported receivers, and updates are typically installed using RxTools utilities such as RxUpgrade.

This guide explains how to update Septentrio firmware step by step.

Why Update Septentrio Firmware?

A firmware update can improve:

• GNSS satellite tracking
• Position accuracy
• Receiver stability
• Compatibility with new GNSS signals
• Communication performance
• System reliability

Firmware updates may also fix:

• GPS connection problems
• Satellite detection issues
• Navigation errors
• Software compatibility problems

Before Updating Septentrio Firmware

Before starting the update:

Check Your Receiver Model

Confirm:

• Septentrio receiver model
• Hardware version
• Current firmware version
• Compatible firmware package

Installing incorrect firmware can cause update failures.

Backup Your Configuration

Save important settings:

• GNSS configuration
• Communication settings
• RTK/NTRIP settings
• Data logging options
• Output message settings

Prepare Required Tools

You need:

• Computer (Windows/Linux depending on setup)
• Stable power supply
• USB, serial, or Ethernet connection
• Septentrio RxTools software
• Correct firmware file

Septentrio RxTools provides receiver control, monitoring, and firmware upgrade utilities.

Step 1: Install Septentrio RxTools

1. Download and install the latest Septentrio RxTools package.
2. Open the software.
3. Connect your Septentrio receiver.

RxTools includes RxUpgrade, which is designed to update Septentrio GNSS receiver firmware.

Step 2: Connect Your Septentrio Receiver

Connect the receiver using:

• USB
• Serial connection
• Ethernet/IP connection

Then:

1. Open RxControl or RxUpgrade.
2. Select the connection method.
3. Confirm the receiver is detected.

Step 3: Check Current Firmware Version

Before updating:

1. Open receiver information.
2. Note the current firmware version.
3. Compare it with the latest compatible release.

Make sure the update matches your exact Septentrio model.

Step 4: Download Compatible Firmware

Download the correct firmware package for your receiver.

Check:

• Receiver compatibility
• Firmware version
• Required permissions or licenses

Septentrio firmware upgrade files are commonly provided as .suf files for receiver upgrades.

Step 5: Start Septentrio Firmware Update

Using RxUpgrade:

1. Open RxUpgrade.
2. Select your receiver connection.
3. Choose the firmware update file.
4. Start the upgrade process.
5. Follow the instructions shown by the upgrade wizard.

RxUpgrade provides a guided process for updating Septentrio receivers.

Step 6: Wait for Firmware Installation

During the update:

• Keep the receiver powered on.
• Do not disconnect cables.
• Do not close the upgrade software.
• Avoid computer shutdowns.

The receiver may restart automatically after the firmware installation completes.

Step 7: Verify Firmware Update

After updating:

1. Reconnect to the receiver.
2. Open receiver information.
3. Confirm the new firmware version.
4. Check satellite tracking.
5. Test positioning performance.

Verify:

• GNSS status
• Position fix
• Communication output
• Correction services

How to Update Septentrio Firmware Using RxControl

You can also update through receiver control software:

1. Connect the receiver with RxControl.
2. Open the firmware upgrade option.
3. Select the firmware file.
4. Start installation.
5. Restart the receiver after completion.

RxControl is used for controlling and monitoring Septentrio receivers, while RxUpgrade handles firmware upgrades.

Common Septentrio Firmware Update Problems

Septentrio Firmware Update Failed

Possible causes:

• Incorrect firmware file
• Power interruption
• Connection failure
• Unsupported receiver model

Solutions:

• Confirm firmware compatibility.
• Use stable power.
• Check cable connections.
• Retry the update.

Septentrio GPS Not Working After Firmware Update

Possible causes:

• Configuration reset
• Firmware mismatch
• Changed communication settings

Solutions:

• Restore saved configuration.
• Check receiver settings.
• Verify firmware compatibility.

Septentrio GPS Cannot Find Satellites After Update

Possible causes:

• Antenna issue
• GNSS settings changed
• Incorrect configuration

Solutions:

• Check antenna connection.
• Verify GNSS settings.
• Test outdoors.

RxUpgrade Cannot Detect Receiver

Possible causes:

• Wrong connection type
• Driver issue
• Network configuration problem

Solutions:

• Check USB/serial/Ethernet connection.
• Restart RxTools.
• Verify communication settings.

Tips for a Successful Septentrio Firmware Update

Follow these recommendations:

• Backup settings before updating.
• Confirm receiver model first.
• Use official compatible firmware.
• Maintain stable power.
• Avoid interrupting installation.
• Verify settings after updating.
• Keep RxTools updated.

Frequently Asked Questions

How do I update Septentrio GPS firmware?

You can update Septentrio firmware using RxUpgrade from the Septentrio RxTools software suite with the correct firmware file.

Does Septentrio firmware update improve GPS accuracy?

Firmware updates can improve GNSS tracking, performance, reliability, and support for newer satellite signals.

Does firmware update delete Septentrio settings?

Some configurations may change during an update, so backing up receiver settings is recommended.

Can I update Septentrio firmware manually?

Yes. Advanced users can upload firmware files manually through supported receiver interfaces, but using RxUpgrade is the recommended method.

Conclusion

Updating your Septentrio firmware helps maintain accurate positioning, improved GNSS performance, and long-term receiver reliability. By using RxTools and RxUpgrade with the correct firmware package, you can safely update your Septentrio GNSS receiver and keep it compatible with modern navigation requirements.

Regular firmware updates and proper receiver configuration help ensure stable operation for surveying, mapping, robotics, autonomous systems, and precision navigation applications.