Smartphone is nothing without internet connection. Most activities on smartphone need internet data connection. What if your android cannot connect to internet? Here are some common android wi-fi problems and how to fix them.
Wi-Fi Keeps Disconnecting Frequently
One of the most obvious reason for the problem is you enable Wi-Fi Sleep Policy every time your Android goes to sleep to save your battery.
To sett Wi-Fi Sleep Policy, open Advance Wi-Fi settings then tap the option Keep Wi-Fi on during sleep. Here, check the option Always to keep active even though your android is sleep. Note that keeping wi-fi always on consume your battery life. If you are using any third-party app to save your battery, check if it enables Keep Wi-Fi on during sleep
Obtaining IP Address Infinite Loop
So far there is no exact reason behind this. It might be there is a bug in your Android. There are many people getting the same problem. It starts annoying when the problem never gets fixed even after you restart the device.
First, you should restart your Wi-Fi router. Then check if the problem is fixed. If it is clearly a bug in android, you should reset your android wi-fi setting to original state. Many people suggest to reset android to factory state. It works but not an appropriate solution. You can use any third-party app Wi-Fi Fixer to reset only wi-fi setting to the original state. The app will reset your Wi-Fi system setting , service and help you to reconnect and re-obtain the IP address.
These are pretty much Android problems wi-fi problem. One might encounter on rooter setting, the others might be on Android wi-fi problems. Using third-party app Wi-Fi Fixer might be the easiest way to diagnose and fix the problem