How to Clear & Flush DNS Cache on iPhone & iPad
If you ever need to set custom DNS or change the DNS settings on iOS devices for using an alternate domain name server or a faster one, you’ll probably want the DNS changes to take effect immediately, which requires the flushing of DNS caches on the iPhone or iPad. There are actually several ways to perform a DNS flush on an iOS device, we’ll cover the two fastest methods below, the first is preferential because it has the least amount of impact overall to other activity on the device as it does not require a reboot.













