Recently, I updated my Epic 4G Touch to Jelly Bean. The only issue I had was that I lost the ability to send and receive mms messages. I have a pre-paid plan on the Sprint network through Flash Wireless. I called up my carrierand they had me update the MMSC URL by entering a dialer code. While in the menu, I noticed an item 'LTE APN Settings'. Does anybody know what that is?
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