Originally Posted by bebop707
Is yours sticking? I finally got mine to change by doing what you said but it keeps flipping back to wcdma preferred after a min, I'm on beanstalk 4.3.007 and I727UCMC1
Mine stays until I reboot then I have to go back in to be able to change to lte otherwise it will do like you said and switch right back to wcdma. Try picking a different att from the list of operators and see if that helps. If not try refreshing the radio. I'm in the same rom and radio as you.
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Kindle Fire- CM10.2
Straight Talk (ATT) Galaxy SII Skyrocket-Beanstalk (4.3)