You can either select 'Install update' or schedule the update overnight. Once the download completes, your handset will prompt you to install a new version of the software. If a new software update is available, select 'Download now'.

Go to Settings > Software update > Download updates manually.

If you don't see a Wifi Calling or 4G Calling menu option, you may have to update to the latest software: To switch off 4G Calling, set the toggle to Off.

To switch on 4G Calling, go to Settings > Connections > Mobile networks > 4G calling.

If you can’t find the settings here, try going to Phone > tap the 3 dots in the top right corner > Settings > scroll down to find Wifi Calling and toggle On.

To switch off Wifi Calling, set the toggle to Off. To enable Wifi Calling, go to Settings > Connections > Wi-Fi calling.You can turn on Wifi and 4G Calling in your device settings. Once your new services are added to your account, follow the instructions below to enable Wifi and 4G Calling.Business customers: Contact Business customer services, your Digital Advisor or Business Partner.For personal tariff customers: Sign in to My O2, go to Device Details and tap Wifi and 4G Calling where you can then add the service to your account.How to set up Wifi and 4G Calling - Samsung Please note: This set-up process may re-start your device so if you would like to receive these instructions by email please click here and we will send them over. Follow the instructions above to enable Wifi and 4G Calling.If this hasn’t updated automatically, you should get a message from us to update to new carrier settings. The ‘Carrier’ value on this screen should be set to 28.3 or above. Once installed go to Settings > General > About.Install an update if available (you’ll need iOS 10.3 or above). Go to Settings > General >Software Update.If you don't see a Wi-Fi Calling or 4G Calling menu option, you may have to update to the latest iPhone software: To switch on 4G Calling, go to Settings > Mobile Data > Mobile Data Options > Enable 4G and then Voice & Data to enable 4G Calling. To switch off Wifi Calling, set the toggle to Off.Ģ. To enable Wifi Calling, go to Settings > Phone > Wi-Fi Calling. You can turn on Wifi and 4G Calling in your device settings:ġ. Once your new services are added to your account, follow the instructions below to enable Wifi and 4G Calling. How to set up Wifi and 4G Calling - iPhoneįirst you'll need to add Wifi and 4G Calling to your account.įor personal tariff customers: Sign in to My O2, go to Device Details and tap Wifi and 4G Calling where you can then add the service to your account.īusiness customers: Contact Business customer services, your Digital Advisor or Business Partner.

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