News Tagged: WiFi

Now you can use O2 WiFi and 4G calling 3

O2 launch WiFi and 4G calling

On: Thursday, 20 April, 2017
O2 have launched a WiFi and 4G calling service, giving customers a new way to connect when making voice calls. The move should make for clearer reception and better coverage, especially when making calls indoors. What are 4G and WiFi callin...
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