No LTE data service after 7.1.1 update to version 32.4.A.1.54

[jfreeman3]

I nstalled  7.1.1 update version 32.4.A.1.54 yesterdaY.  i have no mobile Data Service.  AT&T installed a new SIM and checked settings. No Help. I did a Software Repair using Xperia Companion. No Help.

Any suggestions or advise would be appreciated.

[ChloeS]

Hi @jfreeman3

Welcome to the community 

Have you tried downloading the internet and MMS settings on your handset?

To do this go to Settings > More > Internet Settings > OK 

Once these settings have downloaded, restart your handset and your mobile data should now load. 

Let me know how it goes