Should I upgrade from the fujifilm x t1?

Here is what the site says about that.

From Fujifilm X-T1: Fujifilm X-T1: A mirrorless camera by Fujifilm with a 16.3-megapixel APS-C sensor, announced in 2014. The first SLR-style X body, with a large viewfinder and dials; slow autofocus by today's standards. Specs - Maker: Fujifilm - Mount: Fujifilm X - Sensor: APS-C, 23.5 x 15.6mm, crop factor 1.5 - Resolution: 16.3 megapixels - Stabilisation: none in the body; use stabilised lenses for slow shutter speeds - Announced: 2014 - Type: mirrorless camera ...

From Buying used: Buying used: Cameras and lenses are built to last, and many photographers upgrade often. That makes the used market one of the best ways to afford good gear. A body that's one or two generations old is often most of the camera for a fraction of the price.

Quoted from this site's pages.