Official Apple Support

If your Apple device needs repairs, you can go to an Apple Store, visit an Authorized Service Provider, or mail in your device. Whatever you choose, we’ll make sure your device works the way it should. Beware of counterfeit parts Some counterfeit and third party power adapters and batteries may not be designed properly and could result in safety issues. To ensure you receive a genuine Apple batter

[hiroqli]

まさか公式にヘルプにのってるとは思いませんでした

[retlet]

OS XではhostsファイルではなくNetInfo Managerを使う。

[bunchan98]

hostsファイルの編集方法。hostsファイルを直編集してイイのか？