Low-level Development

📄️ Entering EDL Mode

Qualcomm Download Mode (EDL) is an emergency download mode for Qualcomm processor devices, primarily used for emergency repairs, firmware flashing, or device unlocking.

The Radxa Dragon Q6A comes with SPI boot firmware pre-installed by default. Under normal circumstances, there is no need to flash the boot firmware. However, if the system fails to boot properly, you may try re-flashing the SPI boot firmware.

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Low-level Development

📄️ BIOS Introduction

🗃️ Build System

📄️ Entering EDL Mode

📄️ Flashing SPI Boot Firmware