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.
SMS is an acronym that typically describes the communication method known as texting. Local weather stations may use SMS to send out weather alerts. In some cases, keeping in touch through SMS can build stronger interpersonal bonds. The popularity of SMS has led some states to make texting while driving illegal.