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Another customization option available on your iOS device is the Restrictions area located under Settings > General > Restrictions. To enable Restrictions, you'll have to first enter a four digit passcode. This can and probably should be a passcode different than the passcode you use to unlock the phone if you set one of those up. Type it a second time to confirm it, and now you can start adjusting your restrictions. So in this area, you can decide what your device can be used for. You can turn off Safari, the Camera, FaceTime, the iTunes Store, as well as the ability to install or uninstall apps or make in-app purchases.
If you're using a Siri-capable device, you can turn off Siri, or you can even go to the Siri settings here under Allowed Content and you can turn off Explicit Language and Web Search Content. That basically means that, respectively, Siri won't interpret or convert to text any explicit words you may purposely or accidentally dictate to it and it won't search the web for answers to your questions. Now, with apps like Safari, the Camera and the iTunes Store, disabling them will make their icons disappear from your home screens and the apps will be completely unavailable until you come back in here and turn them back on.
If you disable FaceTime, you won't see its button during calls. This section of the Restrictions panel is mostly targeted for parents, but it may also be useful for businesses that don't want employees using their company issued iPhones to surf the web or install apps from the App Store. Now besides turning off functions, you can also specify what content you'll allow on your device under the Allowed Content area. You can select ratings for particular countries. Different countries have different ratings for movies and music. For example, a rated R movie in the US might be rated 18 in England. The choice you make in here will be reflected in the movies and TV show options that you'll find below here.
Here, you can decide what content to allow for music and podcasts. So you can turn off Explicit here and that way, you can leave the iTunes option on but block any items in the iTunes Store listed as containing explicit content. Under Movies, you can decide what movies can be allowed by selecting ratings. For example, if I only want to allow PG-13 and below, I just tap PG-13 and the R, NC-17 and Allow All Movies options become unchecked. Similarly, you can set rating restrictions in the TV shows, and apps areas. Now, I'm going to talk about privacy settings in their own movies so I'll skip that section for now.
Under that, we have the Allow Changes section. All four of these settings basically just have an allow or don't allow setting. So, for example, if you don't want to allow mail accounts, contacts, or calendar events to be added to your device, you can tap Accounts and choose Don't Allow Changes. Parents who don't want their kids accessing email on their phone or iPad might find this setting useful. Another one they might find useful is Volume Limit, and that lets you prevent the volume limit from being changed. If you recall, I showed you how to set a maximum volume limit through the music settings back in chapter seven. If you want to prevent your kid from turning the volume limit back up after you set the limit, you can restrict changes here.
And the last section here just has to do with Game Center settings. Game Center is a social app where you can compare scores and challenge friends to various games that you can get through the App Store. These switches down here allow you to restrict multiplayer games and adding more friends without permission. So those are the Restrictions settings, and let me stress again that it's vitally important to remember your password as you'll need it to turn Restrictions on and off.
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