Loader upgrade mode

For the introduction of boot mode, please refer to the chapter “Introduction to updating firmware”

Introduction

In Loader mode, the bootloader will enter the upgrade state, waiting for the host command for firmware upgrade and so on. To enter Loader mode, the bootloader must detect a RECOVERY key press at startup and the USB is connected.

Here’s how to put your device into upgrade mode:

• Disconnect all power supply

• Press and hold RECOVERY button on board

• Connect the power supply

• After few seconds, release RECOVERY button

upgrade firmware

Developers can choose different firmware upgrade tools according to their different PC operating systems.

Please refer to Use USB cable to upgrade