Manually flash Android Things

To flash Android Things onto your board, download the latest system image in the Android Things Console (see the release notes) and follow these steps:

Download and install Android Studio or the sdkmanager command-line tool. Update the Android SDK Platform Tools to version 25.0.3 or later from the SDK Manager.
- Navigate to the Android SDK location on your computer; the path can be found in the system settings for Android Studio. Verify that the fastboot binary is installed in the platform-tools/ directory.
- After you verify platform-tools/, add it to your PATH environment variable. This command should be similar to the following:
  
  export PATH="path/to/platform-tools":$PATH
Open a command line terminal and navigate to the unzipped image directory.
Verify that the device has booted into Fastboot mode by executing the following command:
```
$ fastboot devices
1b2f21d4e1fe0129    fastboot
```
Note:
Your device will not boot into Fastboot mode if it was previously flashed with Android Things. You need to first execute the following command using the adb tool to reboot the device into Fastboot mode.
```
$ adb reboot bootloader
```
Execute the flash-all.sh script. This script installs the necessary bootloader, baseband firmware(s), and operating system. (On Windows systems, use flash-all.bat instead).

Note: The device automatically reboots into Android Things when the process is complete.

To verify that Android is running on the device, discover it using the adb tool:

$ adb wait-for-device
...
$ adb devices
List of devices attached
1b2f21d4e1fe0129    device

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Last updated January 17, 2019.