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i have a friend going to germany. he wants his iPhone to carry his german lessons, but wants to remove it from the network so as to not get high charges.<br />
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how can he do this? if he removes it from his us carrier before leaving, how can he be sure it is disconnected while practicing german in germany?<br />
<br />
thanks.
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i have a friend going to germany. he wants his iPhone to carry his german lessons, but wants to remove it from the network so as to not get high charges.

how can he do this? if he removes it from his us carrier before leaving, how can he be sure it is disconnected while practicing german in germany?

thanks.

removing iPhone from the network

The iPhone is a smartphone made by Apple Inc. It and the iPad, along with several other mobile devices from Apple, run on the iOS operating system, which has its own topic, as does the iPad for device-specific questions. Native iOS applications are written in Objective-C or in Swift using the Cocoa Touch frameworks or HTML5 compiled with the help of a package manager such as Adobe PhoneGap; a common IDE is Xcode.

iPhone

iOS is a mobile operating system developed by Apple; it is a derivative of the Mac OS X desktop operating system, with which it shares many (but not all) common frameworks and other components. These include Cocoa Touch, the Mach/Darwin/XNU kernel and code from the Berkeley Software Distribution (BSD). Each iOS application runs in its own secure sandbox to prevent altering other applications, the operating system, or any other data.

A cellular phone (also known as a mobile phone, cell phone, hand phone, or simply a phone) is a telephone that can make and receive telephone calls over a radio link while moving around a wide geographic area by connecting to a cellular network provided by a mobile phone operator, allowing access to the public telephone network. Mobile phones that offer services such as text messaging, email, Internet access, business applications, gaming, photography and more general computing capabilities are referred to as smartphones.