Tap Online Update . If a new version is available, tap Download and Install . How to Flash Firmware Manually (Stock ROM)
To update the firmware on your Tecno Spark 30C , you can use the built-in system update tool to ensure you have the latest HiOS features and security patches. Before starting, it is recommended to back up your data and ensure your battery is at least 50% charged. How to Update Firmware (OTA) The most common and safest method is the Over-The-Air (OTA) Open Settings : Locate the gear icon on your home screen or app drawer. Navigate to System : Scroll to the bottom and select Check for Updates System update , then select Online Update Download and Install
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If you are looking to "develop a piece" or customize the software environment, you must first enable Developer Options (or About Phone). Build Number
