Samsung's first Android Go phone - the Galaxy J2 Core - has been making the rounds and causing some confusion. We saw the quad-core CPU of the Exynos 7570 benchmarked and we have some idea about the geographic distribution of its variants. Perhaps its manual can clear some things out. Here's some good news - the back is removable and you can change the battery. Here's some bad news - the USB port looks like a microUSB. The phone is a dual SIM handset with old-school slots, there are no card trays here (and you need to remove the battery to change the SIMs). There's a microSD card slots...
Source: https://www.gsmarena.com/samsung_galaxy_j2_core_manual_shows_a_samsung_customized_android_go_phone-news-32770.php
