 On June 11, 2012, it was announced that iOS 6 would not be released for the first-generation iPad, making iOS 5.1.1 the final operating system officially available for the device.The first-generation iPad features an Apple A4 SoC, which comprises a 1 GHz processor, 256 MB of RAM and a PowerVR SGX535 GPU.There are four physical switches on the iPad, including a home button near the display that returns the user to the main menu, and three plastic physical switches on the sides