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WhatsApp uses your phone’s Internet connection to send messages so you can avoid SMS fees.

Either from mobile data or from WiFi, to use data without any restriction, you need to turn off the less data usage feature within WhatsApp. On the contrary, to place a video call, you need a sufficient amount of data. WhatsApp has in-app settings that, when enabled, limit the usage of data while using WhatsApp. Tap the switch beside the camera to enable camera access for WhatsApp.Under the various elements under WhatsApp settings, scroll to the camera.Without using the camera doing a video call will not work. Enable Camera permission for WhatsAppĬheck that WhatsApp has permission to use the device camera.

Also, instead of a 4G network, if you have access to the latest and most robust 5G network, it is even better for smoothly carrying out the video call on WhatsApp without the black screen issue. WiFi is mostly stable enough to provide crystal clear video calling without any drop in video or audio. Instead of using the mobile data to do a video call on WhatsApp, try to switch to a WiFi network. Use a WiFi network to do Video Calls on WhatsApp