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The sections below describe two alternative methods that you use to flash your device with a factory Android system image:Flashing the device using an updated recovery image (recovery-image method)
This approach involves using the adb tool, available in the Android SDK, to copy updated radio and recovery images to the device's recovery partition on the SD card. It's a straightforward operation that you can run in a Windows, OS X, or Linux environment. If you are an Android application developer, this method of flashing your device is recommended. Note that to use this method, the device must have the original factory bootloader that came with the device (hboot 0.95.3000).Flashing the device using fastboot commands (fastboot method)
This approach is slightly more complicated and involves using the adb tool to update the radio image and the fastboot tool to flash a system image to the device. Flashing your device in this way is useful if you need to install the radio and system images independently or you are already familiar with fastboot and are using it successfully in your environment. To use this method, your device must have a fastboot-compatible bootloader. Having the original factory bootloader included on ADP devices is not required.
Before you get started, decide which of these two methods is appropriate for you, then follow the instructions below, in the order given. The flashing process for both methods is similar ??the main difference is that the recovery-image method does not require the fastboot tool. Rather than using fastboot to flash a system image to the device, you use adb to copy an updated recovery image to the device. All other steps are the same.
Supported Devices.The system images provided on this page are designed only for installation on devices that meet the following requirements:
HTC Dream hardware platform only
Device must have the original factory bootloader (hboot 0.95.3000) or a development bootloader that supports fastboot You cannot flash these system images to other hardware platforms or to a version of HTC Dream hardware that doesn't have an original factory bootloader, unless the device bootloader supports fastboot (fastboot is described in the next section).
Additionally, you cannot flash these images to a retail devices such as the T-Mobile G1 because the images do not have the appropriate cryptographic signatures.
Get the Tools To flash a system image to your device, you need to have access to the proper tools.
If you are flashing your device using the recovery-image method, you need the adb tool, included in the Android SDK.If you are flashing your device using the fastboot method, you need the fastboot tool, in addition to the adb tool.For either method, if you are working in a Windows development environment, you should update your USB driver to the version provided in the Android SDK.Adb Tool The adb tool is included in the Android SDK. If you have already installed the Android SDK on your local machine, you will find adb in the If you do not have the Android SDK, download the latest version from this location and install it: If you are flashing your device using the fastboot method, you need the command-line tool called fastboot.The fastboot source code is available in the Android open source repository and is compiled whenever you build from that tree. If you've built from the Android open source tree, you will find the fastboot executable in this location
This approach involves using the adb tool, available in the Android SDK, to copy updated radio and recovery images to the device's recovery partition on the SD card. It's a straightforward operation that you can run in a Windows, OS X, or Linux environment. If you are an Android application developer, this method of flashing your device is recommended. Note that to use this method, the device must have the original factory bootloader that came with the device (hboot 0.95.3000).Flashing the device using fastboot commands (fastboot method)
This approach is slightly more complicated and involves using the adb tool to update the radio image and the fastboot tool to flash a system image to the device. Flashing your device in this way is useful if you need to install the radio and system images independently or you are already familiar with fastboot and are using it successfully in your environment. To use this method, your device must have a fastboot-compatible bootloader. Having the original factory bootloader included on ADP devices is not required.
Before you get started, decide which of these two methods is appropriate for you, then follow the instructions below, in the order given. The flashing process for both methods is similar ??the main difference is that the recovery-image method does not require the fastboot tool. Rather than using fastboot to flash a system image to the device, you use adb to copy an updated recovery image to the device. All other steps are the same.
Supported Devices.The system images provided on this page are designed only for installation on devices that meet the following requirements:
HTC Dream hardware platform only
Device must have the original factory bootloader (hboot 0.95.3000) or a development bootloader that supports fastboot You cannot flash these system images to other hardware platforms or to a version of HTC Dream hardware that doesn't have an original factory bootloader, unless the device bootloader supports fastboot (fastboot is described in the next section).
Additionally, you cannot flash these images to a retail devices such as the T-Mobile G1 because the images do not have the appropriate cryptographic signatures.
Get the Tools To flash a system image to your device, you need to have access to the proper tools.
If you are flashing your device using the recovery-image method, you need the adb tool, included in the Android SDK.If you are flashing your device using the fastboot method, you need the fastboot tool, in addition to the adb tool.For either method, if you are working in a Windows development environment, you should update your USB driver to the version provided in the Android SDK.Adb Tool The adb tool is included in the Android SDK. If you have already installed the Android SDK on your local machine, you will find adb in the If you do not have the Android SDK, download the latest version from this location and install it: If you are flashing your device using the fastboot method, you need the command-line tool called fastboot.The fastboot source code is available in the Android open source repository and is compiled whenever you build from that tree. If you've built from the Android open source tree, you will find the fastboot executable in this location
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