Samsung starts rolling out Blueborne vulnerability fix to many of its devices including the Galaxy J5 (2016) variants. Galaxy J5 SM-J510FN starts getting the update with build number J510FNXXS2AQI4 and includes August security patches (Patch level 01.08.2017). All users will get the update via OTA (over the air) or tech-savvy users can download and install the update manually via Odin tool.
For your information, the recently discovered Blueborne vulnerability affects all latest OS platforms including Android, iOS, Windows and Linux. Device vendors like Samsungs are now updating their devices with patches. If you want to learn more about Blueborne vulnerability, its risk level and affected devices, read at source here.
Comes to the Galaxy J5 (2016) update, the European variant Galaxy J5 SM-J510FN starts getting the Blueborne fix with August 2017 security patches. Other region variants will get the update soon. The update is still based on Android 6.0.1 Marshmallow, although there is rumor about the Android 7.0 Nougat update. However, users can expect Nougat update for Galaxy J5 2016 soon.
If you did not get the J510FNXXS2AQI4 update on your Galaxy J5 SM-J510FN, check it by heading to Settings > System Updates > Download. Depending on the region and carrier, it will take a week or more to get the update. Alternately, you can download the firmware and flash manually.
If you prefer manual installation, you may follow the below guide. It is recommended for technically talented users only.
1. Download J510FNXXS2AQI4 update for your region from here.
2. Also download latest version of Odin toll from here.
2. After downloading both firmware and Oding, follow this guide.