This simple trick you can play on anybody having an iPhone or iPad, or even do it on your idevice and when somebody grabs it, he will be scratching his head for couple of minutes to figure out where the Slide to Unlock button went.
- First Lock your device orientation using the switch on side. This switch is not configurable which you can change from Settings Page.
- Then press home button thrice and you will get option to zoom. Turn Zoom On.
- Now lock the screen to see if the slide to unlock button is visible.
- If not you are good to go, else you can touch on top left or right and it will push the slide to unlock down.
I cannot take a screenshot to show how it looks, so just have a look at the video :
Related : Do you share your iPad with your Kids ? If yes make sure you take the right security measures.