kenh
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I purchased a slightly used A7M4. Firmware is at 1.2. Looking to upgrade to 5.1. Following the instructions for a card based update, when viewing the version in the Setup section, the Software Update option is not available. Looked for clues or even older firmware updates, but haven't found any indication of solution. Wonder if 1.0.5 update was not applied or applied properly. Looking for guidance for steps.
