Apple originally restricted major iOS updates to Wi-Fi to protect user data plans, but newer devices and software versions have relaxed these rules.

If you are away from Wi-Fi and check for an update ( Settings > General > Software Update ), you may see a prompt asking for permission to use cellular data. Tap "Continue" to bypass the Wi-Fi requirement. download software update over cellular

On Samsung Galaxy devices, you can automate this by going to Settings > Software update > Auto download and selecting "Using Wi-Fi or mobile data" . Key Considerations Before You Start iPhone won't update using mobile data or wifi? - Facebook Apple originally restricted major iOS updates to Wi-Fi

Navigate to Settings > Software Update (or System > System update ). On Samsung Galaxy devices, you can automate this

Modern mobile devices are designed to prioritize Wi-Fi for heavy data tasks, but most modern smartphones allow you to if you have a sufficient data plan. This capability is especially useful when traveling or in areas with unreliable Wi-Fi. How to Update Your iPhone via Cellular