Samsung Galaxy S7 and S7 Edge are receiving their continues support from Samsung and now getting updated to the latest security patch and improvements.
This latest update for Galaxy S7 devices brings February 2019 security patch that provides providing fixes to 12 Samsung Vulnerabilities and Exposures. Also, the update installs bug fixes and stability improvements.
This update for Galaxy S7 and S7 Edge is rolling out as software version G930FXXS4ESAE and G935FXXS4ESAE respectively. If you want to check this update, please head into Setting > Software Update > Download and Install.