And unlike
the hidden signal strength numbers, this isn't limited to just carrier - branded phones.
We know that it'll let carriers
hide signal strength and define how they're displayed in the status bar, for example, and we've uncovered evidence that Google may remove developer access to undocumented and hidden APIs.
It remains to be seen whether the next major Android version will really allow carriers to
hide their signal strengths, but it appears that the feature will indeed arrive soon.
The next major Android version may allow carriers to
hide their signal strengths, according to Android Open Source Project commits spotted by XDA Developers.
A commit discovered on the Android Open Source Project shows that Google is working on
hiding signal strengths, depending on the carrier's preference.
Not exact matches
Signal Strength can be seen in Settings > About phone > Status as of the latest Android 8.1 Oreo release, but carriers will be able to
hide this from users on Android P.
By accessing the tiny little web server
hidden inside your modem and reading the diagnostic pages, you can learn a ton of things about your modem and connection like general status,
signal strength, and event history via the system log.
Tapping on a network immediately opens the preference pane where everything save for
Signal strength, Frequency, and Security are
hidden away behind Advanced.