The Lightning connector is Apple's proprietary mobile device connector that you'll need to recognize and understand for the CompTIA A+ certification exam. Introduced in 2012, it replaced the older 30-pin dock connector and remains a key component in Apple's mobile ecosystem.
Physical Characteristics
The Lightning connector is a small, reversible 8-pin connector that measures approximately 6.7mm wide by 1.5mm thick. One of its most significant features is its reversible design – unlike older connectors, you can insert it either way up, making it more user-friendly than its predecessor.
The connector uses a flat, blade-like design with contacts on both sides, which is how it achieves reversibility.