If your browsing speed feels slow or websites take too long to load, adjusting your DNS settings can help. Using a custom DNS for iPhone not only boosts speed but also improves security and can bypass region-based restrictions. Whether you want smoother gaming, safer browsing, or faster streaming, this easy guide will show you how to set up custom DNS on your iPhone step-by-step. Step 1: Open Wi-Fi Settings Step 2: Configure DNS Step 3: Add Custom DNS Addresses Step