If you need to change your IP, you need to figure out how your IP addresses is structured. If you want to override and use a static address, go to your network settings, change the IPV4 properties and then you can click on the use the following IP address and then you can fill out the IP address box. Click ok and you are done. The first step is to note down the IP Address of Router, as this will be required for use in the next step. 1. Go to Settings > WiFi > tap on your WiFi Network. 2. On the next screen, scroll down to “IPV4 ADDRESS” section and note down the IP Address of Router. Also, note down the Subnet Mask Address and the last number set of current IP Open the “Settings” app on your iPhone. 2. Scroll down and tap on “Mobile Data” (or “Cellular” in some cases). 3. On the Mobile Data/Cellular page, you will find various settings and information related to your mobile data connection. 4. Look for the section called “IP Address” or “IP Settings.”. 5. lCZBQ.