From the iCloud website we can quickly locate the device, display a message on the screen so that if a Good Samaritan has found it, return it to us, block it, make it emit a sound or erase all its content remotely. Thanks to the activation lock included from iOS 7, if the device is stolen or we lose it, we can block access to the terminal in addition to finding out at all times where it is, ideal for when we have lost or forgotten it. Apple was forced to implement this functionality to improve user security, but also to try to reduce the theft of this device, which had increased in recent years due to the increasingly expensive price they had and which had made it one of the most desired devices on the black market. With the arrival of iOS 7, Apple expanded the functionality of iCloud by adding an option that allowed us to lock our iPhone in case of loss or theft. 8 Can iCloud lock be removed with jailbreak?.7 How to unlock an iPhone locked by iCloud with iOS 9 / iOS 10 / iOS 11.6 How to unlock an iPhone locked by iCloud with iOS 8.5 How to unlock an iPhone locked by iCloud with iOS 7.4 How to turn off iCloud lock on iPhone, iPad, and iPod touch.3 How to avoid buying a device locked by iCloud?.2 I have forgotten my iCloud password, what can I do?.