5)Unzip AndroidTool_v2.58.zip, this software does not need to be installed, just find AndroidTool in the unzipped folder and open it

<div style="padding-left:200px;">[[文件:Orange-pi-4-lts-img47.png|600px|]]</div>

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6)After opening the AndroidTool tool, because the computer has not been connected to the Orange Pi 4 LTS development board through the Type-C cable at this time, the lower left corner will prompt "No Devices Found"

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7)Then start the burning of Android firmware<br>

c. First press and hold the upgrade button of Orange Pi 4 LTS, then lightly press the reset button and release it immediately, wait for 3~5 seconds and then release the upgrade button. The position of the button on the development board is shown in the figure below.

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a.If the previous steps are successful, the development board has entered the Loader mode, and "Found One LOADER Device" will be prompted on the interface of the AndroidTool tool

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b.Then click the "Upgrade Firmware" column of AndroidTool<br>

c.Then click the "Firmware" button to select the path of the Android firmware, and then click "Open", as shown in the following figure

d.After the Android firmware path selection is completed, the firmware will start to be loaded, and the button will turn into a gray unselectable state.

e.After the firmware is loaded, the button becomes selectable, and then click "Erase Flash" to start erasing eMMC

f.The interface of the successful erasing is shown in the figure below, because the system in eMMC has been erased, so you can see the prompt "found a MASKROM device"

g.Finally, click the "Upgrade" button to burn. During the burning process, the AndroidTool is displayed as shown in the figure below, and the Android system will automatically start after the burning is completed.

==== '''Burn Android image to eMMC via TF card''' ====

1)First prepare a TF card with a capacity of 8GB or more. The transmission speed of the TF card must be above class 10. It is recommended to use a TF card from a brand such as SanDisk<br>

5)Use the decompression software to decompress '''SDDiskTool_v1.59.zip''', this software does not need to be installed, just find '''SD_Firmware_Tool.exe''' in the decompressed folder and open it<br>

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After opening SDDiskTool, if the TF card is recognized normally, the inserted disk device will be displayed in "Select Removable Disk Device". Please make sure that the displayed disk device is consistent with the drive letter of the TF card you want to burn. If there is no display, you can try to unplug the TF card<br>

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7)Then start writing Android firmware to TF card<br>

b. Then select "Firmware Upgrade" in "Choose function mode"<br>

c. Finally click the "Create" button to start burning</p>

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8)After burning, you can exit SDDiskTool, and then you can unplug the TF card from the computer and insert it into the development board. After the development board is powered on, it will start to burn the Android firmware in the TF to the eMMC.<br>

9)If the development board is connected to an HDMI display, you can also see the progress bar of burning Android firmware to eMMC from the HDMI display

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10)When the following information is displayed, it means that the Android firmware has been burned into the eMMC. At this time, the TF card can be pulled out, and then the Android system in the eMMC will start to start.

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