Here is a step-by-step instruction on how to configure DNS on your iPhone or iPad with DNS Override app. The standard DNS changing method has to be performed manually in Wi-Fi settings, separately for each network. Also, by default, iOS does not offer an easy way to change DNS settings for the cellular connection. That’s where DNS Override app comes in handy, as the app allows you to set DNS globally for all networks and it works with Wi-Fi and cellular.
Two popular DNS-based functions include content blocking (i.e. adult content) and accessing geo-restricted content through SmartDNS service.
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