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EUTRAN LTE RF

Field Test on an iPhone

Accessing the Field Testing suite on an iOS Device

I’ve recently been playing with VoLTE on an iPhone to work out the peculiarities of how iOS handles IMS/VoLTE.

While looking for something as in-depth as the Samsung IMS debug tool, I found there’s a field test option on iPhones.

Dialing *3001#12345#* opens up the iOS Field Test Menu,

The options are pretty self explanatory, but it’s a cool feature.

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