Warning: Do not confuse this with the standard STJ1001-10.3.2.2876 retail autoloader. The "Developer Exclusive" will have the string eng (engineering) in the build fingerprint, visible only via adb shell getprop ro.build.fingerprint .
8 GB internal flash memory (expandable via microSD) Display: 5.0-inch qHD (540 x 960 pixels) OS Baseline: BlackBerry 10.2.1 (upgradable to 10.3.x) blackberry z3 stj1001 autoloader developer exclusive