All you can do it use it with a carrier other than what it was designed for. If you bought a T-Mobile one I believe you can use it with Verizon or AT&T or vice versa.
Sent From My Frosty Verizon LG G2
"Do not conform to the pattern of this world, but be transformed by the renewing of your mind. Then you will be able to test and approve what God’s will is—his good, pleasing and perfect will. Romans 12:2