Android What Is Google FRP? A Complete Buyer and Seller Guide Google FRP (Factory Reset Protection) is a built-in Android security feature that locks a device to the last registered Google account after a factory reset. For buyers of used Android phones, an FRP-locked device is unusable without the previous owner's credentials. For sellers, failing to remove FRP before shipping can result in a return. This guide explains exactly how FRP works, how to spot it before buying, and the step-by-step process sellers must follow to clear it before listing a device on Swappa.
Apple iPhone Face ID: What It Is, How It Works, and Tips to Use It Better iPhone Face ID is Apple's biometric face-recognition system, first introduced on the iPhone X in 2017 and now standard across the entire iPhone lineup. This guide covers how Face ID works, every iPhone model that supports it, the most common problems users run into, and practical tips to get the most out of it. Whether you're troubleshooting a unlock failure or shopping for a used iPhone, here's what you need to know.
Apple How to Clean Apple AirPods: Every Model, Every Part Learn how to clean AirPods, AirPods Pro, and AirPods Max the right way — speaker mesh, ear tips, and charging case included. Whether you own the AirPods 4, AirPods Pro 2, or an older model, this guide covers safe cleaning methods that protect your Apple earbuds and their resale value. If you're selling your AirPods, a clean pair lists faster and fetches more on Swappa.
