Samsung has released a new software update A720FXXU1AQF2 for Galaxy A7. The new update comes with latest Android July security patch.
Android July security patch which addresses a total of Common Vulnerabilities and Exposures (CVE) in the open-source Android OS and additional patches designed specifically for Galaxy-branded smartphones.
In addition, the firmware update also brings device stability improvements, bug fixes and other improvements for performance.
The software update A720FXXU1AQF2 for Galaxy A7 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.