iPhone Field Test

iPhone Dial Code is *3001#12345#* (star 3001 hash 12345 hash star).
On Field Test main menu go PDP Context Info and check outputs 0 to 3.
0 is your main IPv4 (iphone IP-Address) and APN (internet provider name).
1 to 3 are reserved for additional providers. Other outputs and submenus
on Field Test, both static and dynamic, are for experts only.
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10 Brilliant iPhone Tricks You Didn't Know
https://www.youtube.com/watch?v=u2iCAd62La4
https://www.youtube.com/watch?v=0dapEsLz9TE
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