To update the software of a fish finder, you will typically need to visit the manufacturer's website and look for the 'Support' or 'Downloads' section. There, you should be able to find the latest software updates available for your specific fish finder model. Follow the instructions provided by the manufacturer to download the update onto a compatible memory card. Insert the memory card into your fish finder and follow the on-screen prompts to initiate the software update. It's crucial to ensure that the fish finder is fully charged and that the update process is not interrupted to avoid any potential issues.

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Fish Finder Software Update Manufacturer's Website Support Downloads