First boot may take a while, so be patient. You will also learn about manually flashing the factory image of Android 8. Subscribe to Newsletters via Email. Also, support us by donating via PayPal. Email Address. Skip to content Search for: Search Close. Close Menu. Email Address Subscribe.
Leave a Reply Cancel reply. Next Entry Oxygen OS 3. Loading Comments Email Required Name Required Website. Sorry, your blog cannot share posts by email. Root any Android device and version without connecting to PC. Toggle navigation. Install Android 8. The update should start downloading. The device will automatically flash and reboot into the New Android 8. Enjoy the wonderful Android 8. Steps for Install Android 8. While not every manufacturer encourages it, the Fastboot tool is available from Google for you to use and should work with official firmware images from almost all Android manufacturers.
To proceed, you just need to be able to unlock your bootloader and have a suitable firmware image for your device and carrier. Make sure USB debugging is enabled on your Android device before you begin. Open the file explorer and head to the saved location of your Android SDK installation.
Make sure the Android image files you need to flash are here, too. Unzip the contents to this location. On macOS or Linux, navigate to this folder using the Terminal application. Type adb devices in the Windows PowerShell window to make sure your Android device is detected. If it is, type adb reboot bootloader to restart your device and boot into the Android bootloader menu.
Once your device is in the bootloader mode, type flash-all to start the flashing process. Type the following commands into Windows PowerShell or Terminal hitting the Enter key between each step:. Once this process is complete, your phone should restart. If the flashing process was successful, your device will now be running the downgraded firmware image. Thanks to the work of volunteer developers, third-party flashing tools are available. These manufacturer-specific firmware flashing tools offer you an alternative method to flashing your firmware without using the Fastboot method.
Samsung devices can make use of Odin to downgrade their phones. This is one of the best-known flashing tools outside of the official Fastboot method. The Odin interface is not the most beginner-friendly, but it will allow you to flash onto some Samsung devices, including the latest unlocked Galaxy phones. Keep in mind that some cellular carriers lock down the bootloader on devices sold through its stores. These network operators can be reluctant to allow users to unlock their phones unless the handset is completely paid for.
Additional tools are available for other manufacturers. Whether you use a third-party tool or the Fastboot method, the risk of bricking your device remains the same.
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