To upgrade your Android version from 8 to 9, follow these steps:
1. Check device compatibility: Before upgrading, ensure that your device is eligible for the Android 9 update. Some older devices may not receive the latest Android versions.
2. Backup your data: It's crucial to back up your data before any major software update. This will prevent data loss in case something goes wrong during the upgrade process. You can backup your data either to the cloud or by connecting your device to a computer.
3. Ensure sufficient battery and storage: Make sure your device has enough battery power to sustain the upgrade process. Additionally, ensure that you have enough storage space available for the update. Android will require a certain amount of free space to download and install the update.
4. Connect to a stable Wi-Fi network: It's recommended to connect your device to a stable Wi-Fi network to ensure a fast and uninterrupted download of the update files. Using mobile data for such a large update may not be optimal.
5. Check for system updates: Go to the settings of your Android device and navigate to the "System" or "About phone" section. Look for the "System updates" or "Software updates" option. Tap on it and check for any available updates. If the update to Android 9 is available, proceed to download and install it.
6. Download and install the update: If an update to Android 9 is found, follow the on-screen instructions to download and install it. The process may take some time, and your device may restart multiple times during the installation process. Ensure that your device remains connected to a power source during the upgrade.
7. Complete the setup: Once the upgrade is installed successfully, your device will restart and boot into the updated Android 9 version. Follow the on-screen instructions to complete the setup, including signing in to your Google account and configuring your preferences.
8. Restore your data: After the setup, you can restore your data from the backup you created earlier. Use the appropriate method, whether it's restoring from the cloud or connecting your device to a computer.
Remember that the steps may slightly vary depending on the manufacturer and model of your Android device. It's always a good idea to refer to the specific instructions provided by the device manufacturer or visit their support website for detailed guidance on updating your particular device.