What to redact in screenshots
Before sharing any screenshot of the application, consider that you may want to redact some of the information displayed in it. It is best not to share full screenshots or all of the text displayed by the application unless you are sure of what the content you're sharing means.
MAC / AP MAC
Available in an additional screen that can be viewed by tapping on ⋮ -> WiFi. It should not be disclosed even if you know what it means.
CID / CellId / ServingCellID
Identifies the tower and the part of the tower used, if the carrier is known.
PCI / PSC / BCCH arfcn / BCCH / Tra
Identifies the tower and the part / side of the tower used (though not guaranteed to be unique), if the carrier and TAC / LAC / RAC / URA are known. If the carrier and TAC are not known, it is ambiguous.
TAC / LAC / RAC / URA
Approximately identifies a town if the carrier is known.
GUTI
Contains the country, carrier, group and ID of the carrier's device that does logging in and transferring SMS, and a temporary ID assigned to the phone. A GUTI is available after logging in.
DL & UL Frequency / Earfcn / uarfcn / NARFCN / NR-ARFCN / ARFCN / RX / TX / DEBUG INFO
Generally safe to share. However, it may display a rare frequency only used at one town.
Serving PLMN / Home PLMN / HPLMN / Registered PLMN / MCC / MNC
Identifies the country and/or the carrier.