Samsung Galaxy S3 has a 4.8″ 720p display. It was the first device to have a quad-core Exynos 4412 processor, with each core clocked at a maximum 1.4 GHz. It packs NFC, wireless charging capability, and the latest wireless radios. It ships with Samsung’s Nature UX interface. At the time of its launch, it ran on Android 4.0.4 ICS.
Samsung Galaxy S3 is a really old device. Although Samsung have stopped official support, the CyanogenMod team have continued to support it. They have come up with a nightly of CM 13 which will update Galaxy S3 to Android 6.0.1. Interested users can follow the guide below to install CM 13 on S3.