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 stands for Short Message Service, and it is synonymous with text message, text, TXT, etc. An SMS (text message) is a short message, which can be sent to and from a cellular phone. Nearly all phones purchased in the last ten years are capable of sending and receiving text messages.