I have purchased M42 just 4-5 days earlier. From first day ,it is getting issue with jio Sim over Wi-Fi calling feature. It automatically getting off after few minutes and after network reset , it works fine till network is connected. If network reconnected again ,the wifi calling will not be available with jio Sim till you have not reset network settings again. Without resetting Wi-Fi calling feature doesn't work properly while in other phone it works fine. Please resolve this issue asap.
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