My mobile phone is Android 2.2 system all here only for Android 2.2 system other system versions of friends can try to try a dial-up software: PPPOE dial-up software; The dial-up software must obtain root permission (administrative permission) to dial; Download and install these two software to the mobile phone: PPPOE version 1.9 (1.6 1.7 are not good) and one-click security ROOT tool (there is a Chinese version) Use steps :1: open wifi and successfully connected 2: Run the ROOT tool and select Temporarily Obtain ROOT Permission (permanent obtaining is not recommended). Wait for about 1 minute, and a message is displayed indicating that the device succeeds. (Do not restart the phone.
3: Run the PPPOE dial-up tool to enter the broadband account and password after the successful connection, it will show that there is an advertisement below the connection, everything is OK ！！！！