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04-Oct-2017 04:50
mailto://EMAIL_ADDRESS will launch the mail program to compose a message to EMAIL_ADDRESS.
On the i Phone you can enter special phone numbers to access special features or information.
As for the frequency you are using, use the following guide to match your ARFCN (Absolute Radio Frequency Channel Number): "Network Operating Mode", if it is NOM 001 then Voice has higher priority (Class A), while NOM 002 indicates Data has a higher priority than Voice (Class B). Note that this Field Test Mode was disabled in i OS 4.0, and re-enabled in i OS 4.2.1.
However, many of field test features listed are no longer available unless you use an earlier version of the firmware, or re-enable via homebrew.
If you’re unfamiliar with the Android Nougat update’s features, take a look at our walkthrough and comparison versus the Android Marshmallow update.
You’ll also want to take a look at Samsung’s own Android Nougat guide.
If a number you called is actually forwarded to another number, this feature allows you to see the actual number you got forwarded to.
Note that this ability is similar to the assisted GPS feature of the i Phone 3G and i Phone 3GS, with the difference in that turning ON Location Services lets i Phone and its applications use this tracking info immediately (less than 10 seconds).
Turning it OFF means this tracking info from the cell towers is simply not processed on the i Phone, but is available if needed.
The closer this number is to 0, the stronger the cell signal (or the closer you are to a tower).
The Field Test entries under categories on this page are: "Neighboring Cells" you can see how many cell towers or relays are visible to your i Phone while using GSM (2G).
Mode: Field Test You will then be taken to a page providing many current information detailing your cell connection.