Wireless Joint

I received my new LT500 router in the mail this morning. I am running on visible. I have my cell on visible and a mofi 4500 on visible. I got this one for my shop. I unpackaged the LT500 plugged it in and I must say, setup seemed to be super easy! But I must have done something wrong. My phone gets ...

I do not have this option. Here is what my options are.

There is no way to change the APN on these routers. I need to change the APN. Any help would be greatly appreciated!!!