Samsung Galaxy Note 5 getting Android February Security AT&T network. According to AT&T support page the update comes along with security and performance enhancements.
This is the same security update that Google rolled out to its own Nexus smartphones at the beginning of the month, and it’s a pretty significant one as far as security updates go, fixing ten security loopholes and seven major vulnerabilities. This Update brings the Galaxy Note 5 security patch level up to February 1. As for size, the update weighs around 49MB.