The Galaxy A7 update brings December security patch, including fixes for 11 critical vulnerabilities that were discovered in the Android OS and fixes for 10 vulnerabilities discovered in Samsung’s own software. While the Galaxy A3 update only brings December security patch.
The firmware version “A720FXXU2BQL9” for the Galaxy A7 (2017). The Galaxy A3 and Galaxy A7 owners can see if the update is available for their device by tapping the Download updates manually option in the Settings » Software update menu.
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