To update the firmware, connect your Sharpener 3 (ES300) to the Sparx Hockey app. Tap the gear icon (shown below) in the top right corner, then select "Firmware Update" to check for any available updates. Click the "Sharpen" tab on the bottom menu of
Error Code 90 means that the firmware update didn’t complete successfully. This can happen if the connection between your phone and the Sharpener is interrupted during the update or if your Wi-Fi or cell signal is weak during the update. How to Fix I
Alert 70 (error 70) indicates that a firmware update is available for your Sharpener 3 (ES300). Keeping your firmware up to date ensures optimal performance and access to the latest features. To update the firmware, follow these steps:
Alert 71 (error 71) indicates that a firmware update check is required. Keeping your Sparx Sharpener's firmware up to date ensures peak performance and access to the latest features. Follow these steps to check for and apply any available firmware up
Alert 72 (error 72) indicates that you must check for a firmware update before you can continue sharpening. This alert cannot be bypassed—you are now required to verify whether an update is available. Keeping your firmware up to date helps ensure you