Users who prefer to make calls over their mobile network and don’t want to use Wi-Fi Calling can easily disable it on their Android smartphone.
Android offers users the choice of making calls over their mobile network and Wi-Fi, but there is an option to disable Wi-Fi Calling completely. Wi-Fi Calling can often result in better voice quality and call reliability, but it does come with some pitfalls. Recently, it was discovered that some Android devices, including Samsung flagships with Exynos modems, were vulnerable to malicious attacks through VoLTE and Wi-Fi Calling.
There are a few different ways to disable the Wi-Fi Calling feature on Android phones, depending on the manufacturer of the device. The feature can be disabled from the phone's Settings app on most stock Android devices. To do this, open Settings and tap on ‘Network & internet,’ then locate and tap on the ‘Calls & SMS’ option. Next, toggle the switch next to the ‘Wi-Fi Calling’ option to disable it. On other Android phones, users might have to tap on the 'SIM card & mobile data' option in the Settings app. Then tap on each ‘SIM’ option individually for dual SIM Android devices, and select the ‘Wi-Fi Calling’ option to toggle off the switch and deactivate it.
Disable Wi-Fi Calling On Samsung & OnePlus Phones
On Samsung devices, users can turn off Wi-Fi Calling in two ways. Open the Phone dialer app and tap the three-dot menu button in the top right corner to select the ‘Settings’ option. Tap on the ‘Calls’ option and disable the ‘Wi-Fi Calling’ feature by switching off the toggle. Alternatively, users can disable Wi-Fi Calling from the phone's Settings app. Tap on the ‘Connections’ option and tap on the toggle next to the Wi-Fi Calling option to turn it off. On OnePlus devices, go to Settings app and tap on ‘Mobile Network.’. Tap on individual SIMs separately and disable Wi-Fi Calling by toggling the switch.
Wi-Fi Calling allows users to make or receive phone calls over a Wi-Fi network, instead of calls over a cellular network. This feature is especially useful for users who live in areas with poor cellular reception but have access to good Wi-Fi. Users often experience phone call drops or spotty connections inside closed buildings where the network can break down between walls, but with Wi-Fi Calling, calls are routed through Wi-Fi networks offering better call quality. The calls made using Wi-Fi Calling aren't charged, but are usually deducted from the minutes of a user's cellular plan.
Not all carriers support Wi-Fi Calling features, and users will need to check with their mobile network provider to confirm if the feature is available. They will also need to ensure that their Android device supports Wi-Fi Calling. Android users can use the Wi-Fi Calling feature if they have access to a secure Wi-Fi network with decent speeds, but it's best to disable the feature if using free, unsecured public Wi-Fi networks.
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Source: Google
