2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/107741We give an explicit description of L-packets and quadratic base change for depth-zero representations of unramified unitary groups in two and three variables. We show that this base change is compatible with unrefined minimal K-types.30 pages; uses LaTeX packages graphics (for a rotated table) and xy (for a diagram)Representation TheoryNumber Theory22E50; 20G05; 20G25text