If you want to know how you can use Att wifi, then you need to stay with the executives via Att Customer Service.They will provide you some essential steps and you have to perform each step carefully. For example- ensure the mobile data has wifi connection functionality on. Select the Att wifi from the available wireless connections. Get further information from the executives. 1-833-276-4777 http://attcustomerservicephonenumber.com/