Update [May 04, 2017]: The Grand Prime is receiving a new update now. The Android 5.0.2 based update arriving as software version G530FZXXS1BQD1, installs the April security patch and ensures that your device stays protected from malware and other known threats. Download the update over WiFi to save on additional data charges.
Update [April 28, 2017]: Samsung is now distributing a new update to the Grand Prime. The update installs the April security patch and is identified as G531BTVJU0AQC1. The update also packs in necessary bug fixes which were prevalent in the previous build and also spruces up system performance.
Update [April 18, 2017]: The Galaxy Grand Prime is up for another update from T-Mobile. The update which is identified as G530TUVU2AQD1, is Android 5.1.1 Lollipop based and is rolling out as OTA. We’re not sure if this installs the latest security patch as T-Mobile hasn’t mentioned so in its changelog. But the update will bring minor system optimizations and performance increases.
The December security patch is making its way to the Galaxy Grand Prime from T-Mobile. Though the smartphone hasn’t seen anything more than Android Lollipop, Samsung & T-Mobile are still providing security updates for the device.
The T-Mobile Galaxy Grand Prime December security update comes with firmware build number G530TUVS2APK2. And with the security patch, the update also brings improvements to domestic data roaming on the device.
The OTA update is on the roll as we speak, but if in case you haven’t received the update yet on your T-Mobile Grand Prime, be sure to go to Settings » About phone and check for system updates manually.
The Grand Prime won’t get past the Lollipop update officially, if you’re any bit interested in flashing a custom ROM, the folks over at XDA have an unofficial build of CyanogenMod 14 available for Galaxy Grand Prime.
Officially, Samsung is rolling out Nougat update to the Galaxy S7 and S7 Edge which is currently on the fourth round of beta testing the update. Samsung will be releasing the Nougat OTA for the Galaxy S7 and S7 Edge by the end of December.