I am new to the forum but not to iOS, I am using iPhone 5 and iPad 2, hope to upgrade to iPad Air 128 soon or its next iteration. I also have iMac 27", MacBook 17", and MacBook Air and iPad 1. I switched from PC after 30 years. I am a retired Instructor of Mechanics with interest in computing, microcontrollers, robotics, 3D printing, UAV's, UGV's and carpentry etc.