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→Enter maskrom mode to burn the system to EMMC
1)First make sure that the development board is disconnected from all power sources, and the SD card is pulled out<br>
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2)Then use metal tweezers to connect the solder joints reserved for OrangePi 4 4B (note the yellow circle in the picture below), and keep
<div>[[文件:Orange-pi-4-img55.png|800px|]]</div>
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3)Then plug the Orange Pi 4 4B into the DC power supply, wait for 2~3 seconds, and then loosen the metal tweezers. At this time, the OrangePi 4 4B development board will enter the maskrom mode<br>
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4)Then use the Type C cable to connect the OrangePi 4 4B development board and the Windows PC, and then open the AndroidTool tool, if everything is normal, you can see that AndroidTool has found a maskrom device
<div>[[文件:Orange-pi-4-img56.png|800px|]]</div>
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At this time, you can burn the Android image, please refer to the steps to burn the Android image directly to EMMC through the Type C interface<br>
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=== '''Start the Orange Pi development board''' ===
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