Iphone ios 7.1 having No network after upgrade

After I upgraded to ios 7.1, i have restarted my phone almost every hour because i am always having "no network" on my phone. My husband also have iphone 5s and upgraded his ios is not having issues. We are sitting beside each other, he's got network signal, i dont!  I always need to restart and i even did a hard reset but it didn't help. Been restarting my phone almost every hour since i updated to ios 7.1 for 4 days now! It's starting to get annoying! How do i fix this?

Hello apple-userfromsgp
Start with the article below to troubleshoot issues with No Service on your iPhone. It will walk you through reseating the SIM card as well as simply trying a restore of your iPhone.
iPhone: Troubleshooting No Service
http://support.apple.com/kb/ts4429
Regards,
-Norm G.

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