Verizon Apn question

[JAPsoldier21]

I was wondering on my phone and I came across this. What do all of these different selection do or can I even unlock them?

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[JAPsoldier21]

Anybody?

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[anon(238680)]

You don't need access to any other than the one that's already highlighted.

 

[JAPsoldier21]

What do they do though?

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