It does work! It took me few days i kept getting Edge speeds on GSM/UMTS so i switch the Network Operator to Automatic bam it got me LTE SPEEDS. I love it. Use the Tmobile APN settings use APN TYPE- default,supl,mms if any questions ask me or better ideas ill try them. It says LTE on upper rt hand corner dont have 4G with it so i don't think it matters as long it says LTE.