View the radio wave strength of iPhone and Android Hidden commands
The "FIELD TEST" mode that starts with the hidden command of the iPhone was known for being able to display the radio wave intensity numerically.However, after iOS11, the radio wave intensity is no longer quantified, although it is included in "Field Test".Let's take a look at the hidden commands to check the radio wave intensity mounted on the iPhone and Android.
iPhoneとAndroidの電波強度を見る隠しコマンドの画像はこちら >>Radio strength of the hidden command of the iPhone
Enter the iPhone hidden command from the standard phone app.When the display is the key pad, enter " * 3001 # 12345 # *" and finally push the transmission button.This enters the test mode displayed as "Field Test".
If you select "Serving Cell Info" from the displayed menu, you can know the type of radio waves you are now using in "Freq Band Indicator"."3" is docomo, "41" is Softbank or au LTE band ...
Until iOS10, when you entered the "Field Test" mode, the radio strength on the screen was quantified, and you could know more about the radio wave intensity in numbers.However, it seems that iOS11 does not support numerical display of radio strength.
Android is also a command with a phone app
By the way, tap "Serving Cell Measurements" if you want to know the conventional radio strength numbers displayed in the hidden command of the iPhone.Radio strength is displayed in "AVERAGE RSRP".
Even on Android devices, it is possible to enter the test mode by driving certain numbers and symbols.The Android hidden command is also launched and entered the phone app.If you enter " * # * # 4636 # * # *", it will transition to test mode.
Some menus should be displayed on the screen, along with the display "under testing".There seems to be a difference in the menu displayed by the terminal.Radio strength can be confirmed with "mobile phone information".You can check the usage time and log with "Use Statistics" or "Wi-Fi Information".
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