You can first open the cell phone settings wireless LAN, the following to find the use of WLAN and cellular mobile network applications, and then go in to find safari, the browser software, to see if the network is WLAN and mobile cellular network, if not, select it. The second is to open your cell phone settings. After entering the same is to scroll down to find the safari browser, and then see if the network is the same as the above, if not, please select, if the settings are not after the words, the phone reboot, and then open the cell phone settings, privacy, restore, network restore.