Apple earlier today rolled out iOS 15.6 update to iPhone users all over the world. In general, it is a rather minor update that focuses on security patches as well as fixes for device storage alongside several apps but for those who are on Celcom, there is an additional reason for them to update their iPhones immediately.
As it turns out, the iOS 15.6 update has also enabled the Voice Over Wi-Fi (VoWiFi) feature for Celcom’s iPhone users. Based on the screenshots provided to Lowyat.NET by Twitter user @tcp_asdf, the update seems to also carry settings of version 50.0.1 for Celcom users.
However, the telco has confirmed the availability of VoWiFi for iPhone with iOS 15.6 inside its FAQ. If you are not sure how to obtain the update, all you got to do is go to Settings >> General >> Software Update and follow the on-screen instructions.
Enabling the VoWiFi feature would allow you to make and receive a phone call even though you are facing bad cellular coverage. Of course, do note that you need to have an iPhone 6s or newer in order to obtain the iOS 15.6 update.
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