Good news for those who use Jio, Airtel, Vodafone Idea (VI) and BSNL SIM. If you do not have a network, calling can be done. Can make free calling without any network connectivity. But for this you will need broadband connection and WiFi calling. Currently, almost all smartphones have WiFi calling properties. It is through this that you can achieve the work.
Need Network: Adhere to this method
Nowadays, most modern smartphones have WiFi calling features, so that users will be able to call without mobile networks. That is, even if the network connectivity in your area is bad, you can continue calling as long as you have a WiFi connection in your home.
Turn WiFi Calling on a smartphone –
Open the settings first on the Android phone.
Then go to the network and internet settings.
Select the SIM card and mobile network here.
Select the SIM card you use to call.
Scroll to the bottom and find the WiFi calling toggle.
Tap the button to enable WiFi calling.
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Once this feature is activated, even if the mobile network is not weak or available on your device, the smartphone will automatically use WiFi for calls. Now every smartphone is available in WiFi calling feature.
