Whether you’re an avid angler, a professional mariner, or a weekend explorer, keeping your Lowrance GPS device up-to-date is crucial for optimal performance and safety. Regular software and map updates ensure your device delivers accurate navigation, enhanced features, and access to the latest cartographic data.

Why Update Your Lowrance GPS?
Lowrance frequently releases updates that enhance user experience by:

Fixing bugs and improving software stability

Adding new features or enhancing existing ones

Updating navigation maps with new depth contours, hazards, and points of interest

Ensuring compatibility with the latest accessories and sensors

Step-by-Step Guide to Updating Your Lowrance GPS Software
Identify Your Device Model
Locate your device model number (e.g., HDS LIVE, Elite FS, Hook Reveal) before proceeding. This will help you find the correct updates.

Visit the Official Lowrance Website
Navigate to Lowrance.com and go to the “Support” section. Click on “Software Updates” and select your model from the list.

Download the Update

Use a computer to download the latest software update.

Save the file to a blank microSD card (4–32GB, formatted to FAT32).

Insert the microSD Card Into the Device
Power on your Lowrance device and insert the microSD card. The system will automatically detect the update and prompt you to install it.

Follow the On-Screen Instructions
Let the device complete the update process without interruption. Once done, it will reboot automatically.

How to Update Lowrance GPS Maps
To keep your navigational charts accurate:

Create a Navico Account
Sign up at www.gofreemarine.com and register your device.

Download the Update Tool
Use the Chart Installer software provided by Navico to download map updates.

Select Your Chart Type
Choose your chart provider (e.g., C-MAP, Navionics) and select the updates relevant to your region and needs.

Install the Updated Maps
Transfer the downloaded map data to your device using a microSD card, and follow the on-screen installation prompts.

Using GoFree Wi-Fi for Wireless Updates
If your Lowrance unit supports GoFree Wi-Fi, you can perform updates wirelessly:

Connect your device to a reliable Wi-Fi network

Access the System menu and check for available updates

Download and install updates directly to your device without needing a computer

Final Tips
Back up your data before any major update

Do not power off your device during installation

Check regularly for updates to keep your maps and software current