To force restart an iPhone , the steps depend on the model: iPhone 8, X, 11, 12, 13, 14, or later (including SE 2nd/3rd gen): Press and quickly release the Volume Up button. How to restart an iPhone : Step by step guide Your phone has become frozen, or the phone just needs a re-boot , regardless, this guide should help you get your phone back to normal and prevent any frustration or technical problems in the future. Restart your iPhone Find out how to turn your iPhone off, then back on. How to restart your iPhone X, 11, 12, 13 or later Press and hold either volume button and the side button until the power-off slider appears. Drag the slider, then wait 30 seconds for your device to turn off. If your device is frozen or unresponsive, force- restart your device.