The Samsung Galaxy Tab A 10.1 S-Pen model: SM-P580 (WiFi), SM-P585 (3G,4G/LTE and WiFi) released in September 2016. It is a 10.1- inch tablet manufactured by Samsung Electronics and their new “A” series.
@tamamma no they are not. The T-580 and the T-585 are interchangeable. The P580 and the P585 are interchangeable, but the T-580 (585) is not interchangeable with the P-580 (585).