Sprint is now rolling out a new software update G928PSPT3DQK1 for the Galaxy S6 Edge Plus in the US. The latest patch comes with Android November security patch.
The new firmware update includes Android November security patch which addresses a total of 81 Common Vulnerabilities and Exposures (CVE) in the open-source Android OS.
Software update G928PSPT3DQK1 for the Galaxy S6 Edge Plus will gradually release to everyone. You can also check manually for updates, go to Settings > About device > System update.
Make sure you have enough charge on your device at least 60% to 70% before downloading the update.