Watch this electronics tutorial video to learn how to enter a secret code and see a lot of interesting info on how your iPhone connects to the network. Field testing your iPhone is easy with the tips in this how-to video.
Apple's iOS 26 and iPadOS 26 updates are packed with new features, and you can try them before almost everyone else. First, check our list of supported iPhone and iPad models, then follow our step-by-step guide to install the iOS/iPadOS 26 beta — no paid developer account required.
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