
The exploit affects devices powered by Samsung’s Exynos 4210 or Exynos 4412 processors and allows any app installed on the device to be used to gain access to the device and wipe the memory or brick the device.
The Galaxy Note II is one of Samsung’s top devices which border between a smartphone and tablet. It features a 5.5 inch HD touch display, up to 64GB of internal storage which can be expanded through microSD, 4G LTE connectivity, an 8 megapixel camera capable of 1080p HD video capture, a secondary camera for video calls and is powered by a quad-core processor with 2GB of RAM.
Before you update your device make sure you battery is fully charges and that you have an active SIM card in the device. Once the update is available for the device you will receive an OTA update notification, but you can also manually check for the update by heading over to Settings > About device> Software update > Check for Updates.
source – AT&T | Android Authority