The Galaxy S3 is the successor to Samsung’s best-selling Galaxy S2. It has a bigger, 4.8″ 720p display. It also is 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’s available in 16, 32, and 64GB configurations.
Recently, Samsung has started to roll out the official Android 4.3 update for this device. Not all the regions have received this update. You can manually install this update without having to wait for the OTA. Follow the instructions given below.