How to check who are connected with your Wi-fi using android device:-
Step1:- Download Fing app on your android device. Fing is the most popular app for finding Wi-fi stealing. About 4.5 millions of people use this app and it is the great app for identifying the number of users connected to your wifi device.
Step2:- Launch the Fing app. Now Fing will automatically show you all network with their name along with settings and refresh button.
Step3:- Now tap on the refresh button to show all network. You will now able to see all connected network of Wi-Fi with their name and settings. Also, you will be able to see the whether connected network is Pc or smartphone.
Step4:- Now tap on the suspicious network and copy his mac address. Mac address mainly consists of numbers and letters. Mac address is the only way to block the suspicious network.
How to block the Mac address using your desktop browser:-
Step1:- Now open your desktop browser on your PC and enter your IP address like 192.168.1.1 (Dlink routers) or 192.168.0.1(Tp-link routers). Now after opening your login panel, enter your login ID and password of the router.
Step2:- Click Mac Filtering from Security option. The option is varied from the router to router. Then find the mac filtering option from your router. Then click on Add device.
Step3:- Enter the Mac address of the device you copied from Fing app or enter the mac address of the device you want to block using Mac field, and click on apply and Save/Ok.
Step4:-Now all set hacker could not steal your wifi again and you can use your internet with full access and full speed. Just follow the above simple step and stop the hacker from stealing your Wifi network.