hello and welcome to justanswer, my name is ***** ***** i will be assisting you today,
what is your phone provider ? also can you try these settings please :
Go to Settings / More / Cellular network settings / Access point names Press the Menu and select New APN Enter name: Net 10APN: wap.tracfone Proxy: Port: 8080 Usemame: Password: Server: MMSC: http://mms.tracfone.com/ MMS Proxy: MMS Port: MCC: MNC: Authentication type: APN type: default,admin,mms
Keep the default values set by device for all blank fields shown above.
let me know the results