Unhappy [Q] bad esn galaxy s3 SCH-S960L

[Q] Bought bad ESN straight talk galaxy s3 SCH-S960L i need to know if theres anything i can do? I have an LG Optimus Dynamic set up through net10 and would like to transfer my number on the optimus to the bad esn galaxy REALLY NEED HELP been surfing the web for weeks its all beyond me