If you can't update or restore your iPhone, iPad, or iPod touch. You can put your iOS device in recovery mode and then restore it with iTunes. In these situations, you might need to use recovery mode to restore your device: 1  iTunes doesn't recognize your device or says it's in recovery mode.
Text messaging, or texting, is the act of composing and sending brief, electronic messages between two or more mobile phones, or fixed or portable devices over a phone network.
Error Message Guidelines. An error message is text that is displayed to describe a problem that has occurred that is preventing the user or the system from completing a task. The problem could result in data corruption or loss. Other message types include confirmations, warnings, and notifications.