To resolve this issue, you can renew and release the IP address assigned to your iPad® by the router using the Renew Lease function. Follow the instructions below to learn how:
Step 1:
Tap
Step 2:
Tap Wi-Fi.
Select the wireless network name or SSID of the network you are currently connected to.
Tap the blue arrow
Step 5:
Tap Renew Lease to renew and release the IP address.
You will receive a prompt verifying if you would like to renew lease. Click Renew to continue.
You should now get a valid IP address which is within the range of IP addresses assigned by your router.
NOTE: In this example, the valid IP address is 192.168.2.128.
Launch a web browser (e.g. Safari®) and connect to a website to ensure that you are already able to connect to the Internet.
NOTE: If you are still not able to get a valid IP address, tap Forget this Network and try to reconnect to renew your connection to the wireless network.