I had the outer casing of my smartphone replaced.
The exterior of this building is made of tiles.
商品の外装に傷があったので交換してもらった。
The product's packaging was damaged, so I had it replaced.
戦車の外装は厚い装甲で覆われている。
The tank's exterior is covered with thick armor.
After years of use, the exterior has become worn.
This building is currently undergoing exterior renovation work.
They gave the product a luxurious-looking exterior finish.
外装 covers a building's whole exterior finish (walls, roof, trim), while 外壁 refers specifically to the exterior wall itself.
外装 emphasizes the decorative or protective exterior finish of a device, while 筐体 focuses on the structural shell or box that holds the components.
外装 is the outer covering or exterior of an object or building, while 内装 is its interior finishing or decoration.
外装 refers to the exterior finish or outside appearance of a building or vehicle, the opposite of インテリア's inside space.
Compound of 外 (outside) and 装 (attire, equipment, decoration). The exact historical derivation is uncertain, but the kanji combination naturally conveys 'outer covering' or 'exterior equipment'.