T-Mobile keeps releasing new Samsung Phones and now a new one is coming really soon. The new Samsung T599 aka Samsung Galaxy Exhibit (new) aka USA version of the Galaxy S 3 Mini will be available on T-Mobile this March 27th. The new Galaxy Exhibit will be available as a post paid and prepaid and in one color so far : Pebble Gray.
The new Galaxy Exhibit will feature a 480×800 display, 4G HSPA+ but still no words of LTE capable.
More information soon
Source : Unwired View