OS7 Activation Lock Activation Lock Open method
1. Let's go to the iphone's "settings" and navigate to icloud, and turn on "Find My iphone" as shown in the following image.
2. The Activation lock feature is automatically turned on when our iphone opens the "Find My iphone" feature, which is implied in the "Find My iphone" feature, and you can use the Activation Lock feature through the Web page version icloud.
3. Now we are in the computer to enter the icloud official website (www.icloud.com), enter the Apple ID and password in the text box, click the right arrow button to log in icloud, and then click the "Find My iphone" icon to go to the next page.
4. Then we click on "All Devices" and then see there is a "lost mode" where we click Lost mode to enter.
5. You will be prompted to enter your mobile phone number, we click the "Next" button.
6. So your iOS7 device will be locked, in the lock screen interface will display your warning message, even if the brush iOS6 also useless.
Friendly Tips
Activate lock activation lock only the Apple phone that upgrades the IOS7 system has this feature oh, if you are ios6 it seems like there is no activation lock.