Those who want to dig deeper into the system can take advantage of iPhone secret codes, otherwise known as USSD codes (Unstructured Supplementary Service Data). These are used mainly by confident ...

You can use these codes to learn more about your iPhone, assist with troubleshooting, and even hide your caller ID during outgoing calls. In some cases, entering a USSD code will initiate an ...

An curved arrow pointing right. Did you know that there are actually a handful of secret iPhone codes? Well it's true, and the features range from extremely useful (like showing your exact signal ...

An curved arrow pointing right. Did you know that there are actually a handful of secret iPhone codes? Well it's true, and the features range from extremely useful (like showing your exact signal ...

But documents aren't the only item you can scan with your iPhone. Another of the iOS 11 updates was the addition of a QR Code scanner, which Apple integrated seamlessly into the camera app.