For Samsung, you may simply turn on/off VoLTE and VoWiFi by going to Settings > Connections > Mobile Networks for VoLTE or > WiFi for WiFi Calling. For Huawei, go to your Settings > Wireless & networks > Mobile network for VoLTE, or > WiFi Calling. For iPhones, go to your Settings > Cellular > Cellular Data Options > Voice & Data for VoLTE, or How to activate VoWiFi: Via Settings: Go to Settings Mobile network Mobile data Wi-Fi Calling Tap on the switch to enable Wi-Fi calling Via Dialer: Open dialer Settings Wi-Fi Calling Tap on the switch to activate the feature You can also select preferred network mode from either Wi-Fi or 4G network. Related Topics: Tips T-Mobile US - VoLTE OK, but no Wifi Calling AT&T US - No VoLTE, no Wifi calling Docomo Japan - VoLTE OK. Wifi calling doesn't exit. Softbank Japan - VoLTE OK. Wifi calling doesn't exit. Interestingly, the Mate 20 Pro doesn't support VoLTE on T-Mobile US, but the 20 X does. The phones have a whitelist of MNC/MCC to enable VoLTE/VoWifi options for. April 3, 2020 by Amit. Honor 9 lite smartphone users are receiving the latest security patch updates but still, no WiFi calling (VoWiFi) feature. According to the latest info, the Honor 9 lite will get WiFi calling (VoWiFi) update this month. Voice over Wi-Fi (VoWiFi), Voice over wireless LAN is the use of a wireless broadband network according Choose Phone and scroll down until you see Wi-Fi Calling – select the box beside this option. A pop-up will appear asking you to confirm if you want to enable Wi-Fi Calling – tap OK". Also check in your myvodafone. That all said sometimes a simple soft reboot by turning the phone Off and On can help. Current Phone >. Press Settings. Press Wireless & networks. Press Mobile network. Press Wi-Fi calling. Press the indicator next to "Wi-Fi calling" to turn the function on or off. Press the Home key to return to the home screen. See how to turn Wi-Fi calling on your Huawei P30 lite New Edition Android 9.0 on or off. By default Wi-Fi Calling should be enabled automatically or go to Settings-> Wireless & networks-> Mobile network-> Select Wi-Fi Calling-> Enable switch next to Wi-Fi Calling. OR Go to your Dialler, Select More (3 vertical dots in top right hand corner) -> Settings ->Scroll down to Wi-Fi Calling and enable the Wi-Fi Calling Switch. Causes & Solutions of Heating Problem in Huawei Mate 10 Lite. Heating while doing the following things on your smartphone is expected. Read the tips after each activity to minimize it. Gaming. While gaming, your phone will heat up. It is normal. Take small breaks to let your Huawei Mate 10 Lite cool down. Bulky Cases n9lS3L.