Update [May 04, 2017]: The April security patch is now rolling out to the Core Prime. The Android 5.1.1 update, which goes by build G360GYUBU1BQD1, not only applies the patch but also includes various fixes and system enhancements. Before downloading the update, ensure that your device has at least 50% charge.
Update [April 18, 2017]: T-Mobile is sending a new update to the Core Prime. Arriving as build G360TUVU2AQD1, the update tags along with it minor performance and system stability improvements. The Lollipop based update which is being pushed out over the air also includes a few bug fixes. If you haven’t already received the update notification, head over to Settings » About » System update and check manually.
Update [April 04, 2017]: The Galaxy Core Prime is now receiving its March security patch from Verizon. The update which identifies as build number G360VVRU3CQC1, fixes various bugs and optimizes performance, in addition to other improvements. The current update is based on Android 5.1.1 Lollipop. Though there’s almost no possibility of Nougat release for the Core Prime, we are still hoping for the Marshmallow update to arrive sometime in the near future.
Update [March 27, 2017]: Samsung is now rolling out an update with software version G361HXXU0AQC1 to the Galaxy Core Prime. The update which is being pushed out over-the-air installs the March security patch. The new build also optimizes performances in addition to patching up a few issues found on the previous build.
T-Mobile is pushing out the December security patch for the Galaxy Core Prime. The Lollipop based update with build number G360TUVS2APK3 will include performance improvements and improvements to domestic data roaming.
Before updating the device make sure the device is charged to 50% and ensure a stable data connection preferably over Wi-Fi. Though the smartphone hasn’t seen anything over Android Lollipop, it’s still good to see Samsung providing security updates.
For those of you who’ve had enough of Android Lollipop, you can install a custom recovery like TWRP and flash custom ROMs on your Galaxy Core Prime. Head over to this page to find out how you can make your smartphone better with the magic that is custom ROMs.
But be advised though, installing TWRP recovery and installing custom ROMs might void warranty on your device, if there’s still any left on it.