Change a VPN configuration: Choose General > Network > VPN and tap the configuration you want to update.

Turn VPN on or off: Choose VPN, then tap to turn VPN on or off.

Delete a VPN configuration: Choose General > Network > VPN, tap the blue arrow next to the configuration name, then tap Delete VPN at the bottom of the configuration screen.

Bluetooth

iPhone can connect wirelessly to Bluetooth devices such as headsets, headphones, and car kits for music listening and hands-free talking. See “Using a Bluetooth Device for Calls” on page 67.

You can also connect the Apple Wireless Keyboard via Bluetooth. See “Using an Apple Wireless Keyboard” on page 40.

Turn Bluetooth on or off: Choose General > Bluetooth and turn Bluetooth on or off.

Location Services

Location services lets apps such as Maps, Camera, Compass, and third-party location- based apps gather and use data indicating your location. The location data collected by Apple is not collected in a form that personally identifies you. Your approximate location is determined using available information from cellular network data, local Wi-Fi networks (if you have Wi-Fi turned on), and GPS (may not be available in all locations).

When an app is using location services, appears in the status bar.

Every app that uses location services appears in the Location Services settings screen, showing whether location services is turned on or off for that app. appears for each app that has requested your location within the last 24 hours. You can turn location services off for some or for all apps, if you don’t want to use this feature. If you turn location services off, you’re prompted to turn it on again the next time an app tries to use this feature.

Turn location services on or off for all apps: Choose General > Location Services and turn location services on or off.

Turn location services on or off for some apps: Turn location services on or off for the individual apps.

If you have third-party apps on iPhone that use location services, review the third party’s terms and privacy policy to understand how that app uses your location data.

To conserve battery life, turn location services off when you’re not using it.

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Chapter 25    Settings

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Apple MD146LL/A, MC603LL/A, MC610LL/A, MC678LL/A, MC604LL/A, MC537LL/A, MC606LL/A manual Bluetooth, Location Services, Settings
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MC603C/A, MC609LL/A, MC606LL/A, MC678LL/A, MC603LL/A specifications

The Apple MD128LL/A, MC679LL/A, MC608LL/A, MD127LL/A, and MC605LL/A are renowned models from Apple's extensive lineup of devices, primarily comprising MacBook Pro and MacBook Air systems. Each of these models showcases Apple's commitment to innovation, reliability, and performance, catering to a broad range of users, from everyday consumers to professionals requiring high-powered computing.

The MD128LL/A, also known as the MacBook Air (13-inch, Mid 2013), integrates Intel's fourth-generation Core i5 processor, leading to improved performance and energy efficiency. It features a crystal-clear display with a resolution of 1440 x 900 pixels that provides vibrant colors and sharp text, making it ideal for both work and entertainment. The solid-state drive (SSD) configuration ensures fast boot times, quick application launches, and seamless multitasking, significantly enhancing the user experience.

Turning to the MC679LL/A, this model relates to the MacBook Pro (Retina, 13-inch, Early 2013). It boasts a Retina display with a resolution of 2560 x 1600 pixels, delivering exceptional clarity and detail. The Intel Core i5 processor, alongside the Intel HD Graphics 4000, enables efficient handling of graphic-intensive applications. The integrated 720p FaceTime HD camera, coupled with high-fidelity speakers, enhances video conferencing and media consumption.

The MC608LL/A represents another variant within the MacBook Pro series, featuring similar specifications as the MC679LL/A but offering different configurations for storage and RAM. Its robust aluminum chassis provides durability while maintaining a sleek, portable form factor. The laptop's energy-efficient design extends battery life, allowing users to stay productive for extended periods.

On the other hand, the MD127LL/A and MC605LL/A are earlier iterations of the MacBook Air and MacBook Pro models, respectively. With the MD127LL/A, users experience Intel's dual-core i5 processor, ensuring efficient performance across various applications. Its lightweight design and impressive battery life make it perfect for users on the go. The MC605LL/A, associated with the MacBook Pro (13-inch, Early 2011), may be older but still offers a capable performance with its Core i5 processor, alongside a dedicated AMD graphics card, making it suitable for entry-level gaming and graphic design tasks.

Overall, the MD128LL/A, MC679LL/A, MC608LL/A, MD127LL/A, and MC605LL/A represent a significant evolution in Apple’s laptop offerings, combining advanced technologies, powerful performance, and exceptional design, thus catering to a diverse array of user needs and preferences. Whether for casual use, professional tasks, or creative endeavors, these models stand as testaments to Apple’s enduring legacy in the computing landscape.
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