Hi there, I'm an expert in mobile phone technology. I've worked with iPhones for many years and I'm happy to help you understand what happens when you reboot your iPhone.

**What happens when you reboot your iPhone?**

Rebooting your iPhone, also known as a restart, is the process of turning your phone off and then back on again. This can be done by holding down the Sleep/Wake button until the Slide to power off slider appears, and then sliding it to the right. You can also reboot your iPhone by going to Settings > General > Shut Down.

When you reboot your iPhone, a number of things happen:

* The operating system (iOS) is shut down and all running apps are closed.
* The iPhone's hardware is turned off and then back on.
* The operating system is reloaded and all running apps are restarted.

Rebooting your iPhone can be helpful for a number of reasons, including:

* Fixing minor software glitches. If your iPhone is acting up, rebooting it can often fix the problem.
* Freeing up memory. Rebooting your iPhone can help to free up memory and make your phone run faster.
* Installing software updates. When you install a software update, your iPhone will need to be rebooted in order to complete the installation.

Rebooting your iPhone is a simple and effective way to fix many common problems. If you're having trouble with your iPhone, rebooting it is a good place to start.

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An ordinary reboot of your phone -- which Apple calls a restart -- does not cause you to lose data, except for any unsaved files you have open in apps without autosave. To restart the phone, press and hold the "Sleep/Wake" button until a red slider appears on the screen.read more >>