******************************************************************************* SHIELD TV 2019 (TUBE) RECOVERY IMAGE FLASHING INSTRUCTIONS ******************************************************************************* To follow the instructions in this guide, you require the "adb" utility. This tool is provided as part of the Android SDK: - http://developer.android.com/sdk/index.html To setup the tool, follow one of Google's guides: - http://developer.android.com/tools/help/adb.html#Enabling - https://developers.google.com/cast/docs/android_tv#adb-usb If you are running Windows and the standard Google adb USB driver does not detect the SHIELD device, you can use NVIDIA's driver: - https://developer.nvidia.com/gameworksdownload#?search=SHIELD%20Family%20Windows%20USB ******************************************************************************* ENTERING FASTBOOT MODE ***** Software Method: To begin, connect to your SHIELD via adb to a host PC where you setup the adb utility. To connect to adb, - Enable Developer Options on the SHIELD device by clicking 5 times on Settings->Device Preferences -> About->Build - In Settings->Device Preferences->Developer Options, enable the "Network debugging" option - Obtain the device IP address from Settings->Device Preferences->About->Status->IP Address - Connect to the device from the host by typing "adb connect :5555" on the host PC command terminal Hardware Method: - Disconnect power cable - Connect power cable to SHIELD and hold down the remote locator button - Release the keys once you see the fastboot menu on the screen - If the standard boot process starts, disconnect the power cable and repeat the process NOTES: 1. You should leave the HDMI TV connected to SHIELD at all times. 2. The SHIELD device should be connected to the same network as the host PC Next, put your SHIELD into fastboot mode using the following method: - Open terminal (on linux); command prompt (on windows) on the host PC - Type "adb reboot bootloader" at the prompt NOTES: 1. You should leave the HDMI TV connected to SHIELD at all times. ******************************************************************************* FASTBOOT MENU NAVIGATION ***** Once in fastboot mode, navigate the menus using the remote locator button on the device. Short press to navigate and long press for ~2s to select. ******************************************************************************* FLASHING THE DEVICE ***** To flash the recovery image to your SHIELD, download the image package. - Download the image package. Copy the same downloaded zip file with name 'nv-recovery-image-shield-atv-2019_.zip' to a uSD card that is FAT32 formatted (where corresponds to the image version of the update being installed). Insert uSD card into the uSD card slot on the device - Enter recovery kernel by selecting the option "Boot recovery kernel" from fastboot menu - Once the device boots into recovery kernel, you will see a "No command" image on the screen - Long press the remote locator button for ~2s. Recovery menu should show up. If not, please try to long press the button again - On the recovery menu, select the option "apply update from SD card" (navigate using short press of remote locator button and long press ~8s to select) - From the SD card contents, select the image package - At anytime if the display goes back to the "No command" picture, press the button for ~2s to go back to the previous screen - Once the image is selected, the update process should start - Reboot the system by selecting "reboot system now" option once the update is complete