The Samsung Galaxy A3 (2016 Exynos) “a3xeltexx” SM-A310 F/M/Y isn’t the smallest of the smaller than 5 inch Android™ smartphones. But it has a noble style of Corning Gorilla Glass 4 and metal frame.
Dimensions:
-
134.5 x 65.2 x 7.3 mm (5.30 x 2.57 x 0.29 in)
-
4.7 inches Super AMOLED Dispaly, display resolution in pixels 720 x 1280 (HD)
Note: in /e/ documentation - Screen: 540x960 (pixel) and Dimensions 130.1 x 65.2 x 7.3 mm do not correspond to the Samsung data sheet specs.
https://ecloud.global/s/rQkrj5gRAoEeLTw
https://ecloud.global/s/CHT7b9eDL82wGPx
As with stockROM Android™ 7.0 (Nougat), it also supports 128 GB microsSD cards with LOS 17.1 and /e/ OS 9-pie, which can be used either as mobile removable memory or internal memory expansion.