Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to download and use applications from the itunes app store [title] Find your ipod touch, iphone or ipad. [title] Press the lock button at the top of the device. [step] This will either turn your device on, or bring you directly to the lock screen.

Ending1: [title] Check to see if your ipod touch and ipad have a screen lock. [step] If so, then you have enabled itunes' device lock feature. Ending2: [title] Select your itunes music file from the menu. [title] Select your ipod touch (iphone, ipad) music cd to download. Ending3: [title] Slide your finger at the bottom of the screen where it says " slide to unlock. [step] " [title] Unlock your device if you have a pass code, and then you should be at the home screen of your ipod or iphone. Ending4: [title] Wait for the app to arrive on your device. [title] Tap on the " home " button.

Answer format: ending1/ending2/ending3/ending4