How to upgrade firmware on Ender 3 4.2.2 with GD32F303,101 board

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Умные устройства для дома: комфорт и безопасность
Ender 3 to upgraded to marlin firmware for all 3d printer. This way to officially upgrade your 3d printer firmware and custom features to enable and add new features your Ender 3. Ender-3 gd32 firmware file link:

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