Have you ever wondered if your iPhone has a secret menu similar to an Android smartphone? This trick may not be as useful as the user interface or graphical tweaks that the Android operating system (or for that matter, jailbroken iPhones) offers but this secret menu is interesting nonetheless.
It even has a nice graphical tweak that some iPhone users might find extra useful.
It is very easy to get access to this iPhone secret menu. Keep reading to learn the simple steps!
This code opens a secret menu filled with your iPhone’s hidden field test data. Once it’s successfully processed, it will display information about your iPhone’s cell connection, its quality, and even your mobile IP address.
If cute terms like “neighbor measurement,” “connected mode LTE intra-frequency measurement” or “serving cell information” sound like geeky vague, don’t worry, this menu really isn’t for average users.
Since it is full of detailed data about cell towers, it is more than likely for engineers conducting field tests or cell site surveys. (For example, the PDP reference information contains information about your carrier’s access point name, APN, and your mobile IP address.)
placing numerical signal indicator
For the casual iPhone tinkerer, the most useful feature on this incognito menu is its use of a numerical signal strength indicator instead of the standard signal bar.
With it, you’ll see a decibel value (for example, -115 for a weak signal or -50 for a good one) instead of signal strength in the upper-left corner of your screen.
To bring your signal bar back to standard points, simply enter Field Test Mode again and simply exit it (by pressing the Home button) or you can reboot your iPhone.
Note: For accurate cell tower readings, it is recommended that you turn off your iPhone’s Wi-Fi.
Warning. Although Fields menu items are read-only and immutable, this trial mode is for professionals and, in some cases, may have the potential to disrupt your cell service.
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