As per https://en.wikipedia.org/wiki/Femtocell https://developer.android.com/reference/android/widget/ListView.html https://en.wikipedia.org/wiki/BusyBox https://developer.android.com/studio/command-line/logcat.html
It seems to me "CellTowers data" should be "CellTower data", but I sense there is something special about that.
"Neighbour cells" seems like it should be "Neighbouring cells", but likewise.
Also, cold-talking to friends IRL isn't as non-tracked as one might think, but that is another matter for another day. "In already secured channel, or …" might do the trick?