First Step :
Go To Settings
Go To Mobile Network
Go To Access Points Name
Second Step :
Create New APN
& FOLLOW This
NAME : China Mobile
APN : cmnet
Proxy : Not Set
Port : Not Set
Username : Not Set
Password : Not Set
Server : Not Set
MMSC : mmsc.monternet.com
MMS Proxy : 10.0.0.172
MMS Port : 9201
MCC : 515
NSC : 02
Authentication Type : None
APN Type : default,supl,mms
APN Protocol : IPv4
APN Roaming Protocol : iPv4