Have you ever connected to a working network but you are unable to surf the internet? You may have seen an exclamation mark next to the WiFi icon. When you check the network by connecting to other devices, the internet works perfectly. So the problem is your device.
What is WiFi Exclamation Mark error and can you fix it? Fortunately, you can. We will talk about it in a moment. Before you go ahead and blame your device, it is worth investigating whether your network is working properly or not. A router restart can fix this issue of it is the router’s fault. If it doesn’t, and if the internet is not working on other devices either, then the network has an issue. Contact your ISP ASAP. Now let’s get back to how you can solve this issue. Here’s how to fix WiFi exclamation mark issue. 
Fix WiFi Exclamation Mark Issue
This issue can be fixed easily by assigning a static IP. This is not the best way to solve this issue and you may enter an IP address that is in use, but that is a rare case. You should first know if an IP address is available. You need to manually enter DNS1 and DNS 2 also. These are entered by default on most of the device but in case you don’t see them, you can enter Google’s DNS 8.8.8.8 and 8.8.4.4.
Follow the steps below to Fix WiFi Exclamation Mark Issue.
Step 1: On your Android device, go to the system’s Settings.
Step 2: Tap on WiFi.
Step 3: Long press the name of the network you are trying to connect to.
Step 4: When a popup appears, tap on Modify Network. 
Step 6: Select the IP Settings.
Step 7: Select Static.
Step 8: Enter all the necessary information and tap on Save. IP addresses use 192.168.1.x format. In the place of x, use any number that is not taken by any other devices on the network. Restart your device and the WiFi should run just fine.
Also Read: How to Fix Failed to Obtaining IP Address Error
