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1. Download and install a root app on your computer. 2. After running it, connect your phone to the computer via a USB cable. 3. Root your phone by following In this guide, we'll see how you can manually update Andriod to the latest version using device settings, using a computer, or using a device upgradeHow to Manually Upgrade an Android Device Operating System · Go to your device manufacturer's official website from a desktop browser. · You may have to enter