Ensure your phone has at least 50% battery or is plugged into a charger. A shutdown during an update can "brick" the device.
Software updates can be large (often over 1GB). To avoid draining your mobile data, connect your Spark Go 2024 to a stable Wi-Fi network. How to Update Software on TECNO Spark Go 2024
While standard updates usually don't delete files, it is always safer to back up your important photos and documents. Ensure your phone has at least 50% battery