Important: You may not be able to use iPhone while the temperature warning screen is displayed. If iPhone can’t regulate its internal temperature, it goes into deep sleep mode until it cools. Move iPhone to a cooler location out of direct sunlight and wait a few minutes before trying to use iPhone again.

For more information, see support.apple.com/kb/HT2101.

iPhone Support site

Comprehensive support information is available online at www.apple.com/support/iphone. To contact Apple for personalized support (not available in all areas), see www.apple.com/support/contact.

Restart or reset iPhone

If something isn’t working right, try restarting iPhone, forcing an app to quit, or resetting iPhone.

Restart iPhone. Hold down the Sleep/Wake button until the red slider appears. Slide your finger across the slider to turn off iPhone. To turn iPhone back on, hold down the Sleep/Wake button until the Apple logo appears.

Force an app to quit. From the Home screen, double-click the Home button and swipe upwards on the app screen.

If you can’t turn off iPhone or if the problem continues, you may need to reset iPhone. Do this only if you’re unable to restart your iPhone.

Reset iPhone. Hold down the Sleep/Wake button and the Home button at the same time for at least ten seconds, until the Apple logo appears.

You can reset the word dictionary, network settings, home screen layout, and location warnings. You can also erase all of your content and settings.

Reset iPhone settings

Reset iPhone settings. Go to Settings > General > Reset, then choose an option:

••

••

••

••

••

••

Reset All Settings: All your preferences and settings are reset.

Erase All Content and Settings: Your information, and settings are removed. iPhone cannot be used until it’s set up again.

Reset Network Settings: When you reset network settings, previously used networks and VPN settings that weren’t installed by a configuration profile are removed. (To remove VPN settings installed by a configuration profile, go to Settings > General > Profile, then select the profile and tap Remove. This also removes other settings or accounts provided by the profile.) Wi-Fi is turned off and then back on, disconnecting you from any network you’re on. The Wi-Fi and “Ask to Join Networks” settings remain turned on.

Reset Keyboard Dictionary: You add words to the keyboard dictionary by rejecting words iPhone suggests as you type. Resetting the keyboard dictionary erases all words you’ve added.

Reset Home Screen Layout: Returns the built-in apps to their original layout on the Home screen.

Reset Location & Privacy: Resets the location services and privacy settings to their factory defaults.

Appendix D    Safety, Handling, & Support

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Apple MD642C/A, MC319LL/A, MC536LL/A, MC918LL/A, MF263LL/A IPhone Support site Restart or reset iPhone, Reset iPhone settings
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MD271LL/A, MD276LL/A, MD635LL/A, MD655LL/A, ME493LL/A specifications

The Apple MC536LL/A, ME344LL/A, MD645LL/A, MD642C/A, and MC919LL/A are a series of devices that cater to diverse user needs with innovative technologies and robust features. Each model, defined by its specific code, offers a unique mix of specifications and functionalities.

The MC536LL/A, commonly recognized as the iPad 2, revolutionized the tablet market with its sleek design and powerful performance. It features a 9.7-inch LED-backlit display, allowing for vibrant visuals and exceptional clarity. Powered by the dual-core A5 chip, the iPad 2 delivers smooth multitasking and supports a wide range of applications, emphasizing user experience. With front and rear cameras, users can engage in FaceTime calls and capture high-quality photos.

The ME344LL/A corresponds to the MacBook Air 11-inch, an ultra-portable laptop that combines performance with portability. It’s lightweight and compact, making it ideal for on-the-go professionals. With an Intel Core i5 processor, it provides sufficient power for everyday tasks, while the solid-state drive (SSD) ensures faster boot times and quick application launches. The MacBook Air’s impressive battery life, coupled with a stunning display, makes it a go-to choice for students and business users alike.

The MD645LL/A represents the 13-inch MacBook Pro, known for its robust performance and Retina display. This model incorporates the Intel Core i5 processor, providing excellent speed and efficiency. The Retina display delivers stunning resolution, making it perfect for graphic design, photography, and video editing. Additionally, it features Thunderbolt 2 connectivity, enabling fast data transfers and wider compatibility with external devices.

The MD642C/A, identifiable as the MacBook Pro 15-inch, offers professionals powerful performance in a full-size package. This model also features a Retina display, coupled with higher-end graphics capabilities, making it exceptionally suitable for demanding creative tasks. With its ample storage and memory options, the MacBook Pro 15-inch stands out as a reliable workstation for video editing and software development.

Lastly, the MC919LL/A, which pertains to the iPhone 5, introduced a notable shift in smartphone technology. It has a 4-inch Retina display, offering enhanced resolution and color depth. The A6 chip inside enhances performance, ensuring fast processing speed for apps and multitasking. It also features an 8 MP iSight camera, allowing for high-quality photography and video recording. With the introduction of Lightning connectors and iOS compatibility, this model became a significant part of Apple's ecosystem.

Overall, these Apple products embody the brand's commitment to innovation, blending cutting-edge technology with user-friendly design. Each model is tailored to meet specific needs, making them popular choices across various consumer categories.
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