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.
A text message is a short, typed message you send or receive on a mobile device. Text messages have a 160-character limit and can contain letters, numbers and special characters, like punctuation marks. They may also include links and emoticons.