Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to trust a computer on an iphone [title] Connect your iphone to your computer via usb. [step] You'll be prompted to trust computers that you haven't connected to and trusted in the past. [title] Unlock your iphone's screen.

Ending1: [step] This saves power for apple computers by disabling and losing a backup. [substeps] If done correctly, you won't need to connect to the system until the backup process is complete. Ending2: [step] Press and hold the home button or home key to bring out the lock screen. Swipe the screen to open the lock screen menu, then tap " settings. Ending3: [step] The screen will need to be unlocked in order to trust the computer you're connected to. [title] Tap trust in the notification that appears. Ending4: [step] Press and hold the " home " button on your iphone. Photos and videos will be displayed under the " home " header.

Answer format: ending1/ending2/ending3/ending4