Serial Port Upgrade - Ebyte E842-DTU User Manual

Chengdu Yiyit Electronic Technology Co., Ltd E842-DTU（EC03-485)User manual
4.9 Serial upgrade
Open the E-Yi Special Serial Upgrade Tool, select the serial port and open it, import the version firmware that needs to be
upgraded, click the Start Upgrade button
The device is powered off and restarted, automatically completing the upgrade.
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