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Access the ID TECH SREDKey 2 Firmware Update Guide for detailed instructions and links to download the firmware update package.
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Download the latest firmware update package to a Windows computer.
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Connect the SREDKey 2 to your computer.
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From the package, run the ID TECH Reader Bootload Software and follow the instructions in the ID TECH SREDKey 2 Firmware Update Guide to update both the Bootloader and Firmware.
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When complete, verify that the firmware version displayed in the app is v1.01.008.0392.S or higher.