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Is it possible to disable the network in iOS Simulator? Get personalized job matches now stackoverflow Get started 281 am trying to debug some inconsistent behaviour I am seeing in an application that gets its primary data from the internet. I don’t see the issues in the simulator, just on the device, so l’d like to reproduce the network and connectivity environment in the simulator. Is there any way of disabling the network in the simulator? 17 Answers active oldest Use a simple Faraday cage to block or limit the external RF signal level. 1214 You can make your own with aluminum foil. The openings should be smaller than the wavelength of your data service if that’s what you want to block. 800 Mhz has a 37 cm (14) wavelength, 1900 Mhz has a 16 cm (6) wavelength. This works better with an actual device than with the simulator since the Mac is hard to work on when inside the Faraday cage 😉 share improve this answer edited Aug 27 ’13 at 19:56 answered Dec 12 ’12 at 1:12 , progrmr 57.2k 13 88 135