Fieldtest

Several brands and review sites use the term for real-world equipment testing: Fieldtest - PenCott Metropolis (urban camouflage) - part 1

: There are technical guides on how to make the FieldTest application icon permanently visible on jailbroken devices. 2. Starfinder & Pathfinder RPG (Paizo) Fieldtest

If you are trying to find the hidden menu on your iPhone to check signal strength or LTE bands: Several brands and review sites use the term