Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to refresh an ipad [title] Press and hold the sleep/wake and home buttons. [step] The sleep/wake button can be found on the top-right side of the ipad. The home button is the large button in the bottom-center.

Ending1: Alternatively, there may be two small buttons. [substeps] The first button is labeled " sleep/wake. Ending2: [title] Press the home button on your ipad. [step] Your ipad will attempt to refresh itself. Ending3: [substeps] Press or hold the home button as you normally would. An error message will appear on the screen, signifying it's time to refresh the ipad. Ending4: [title] Hold both buttons after the screen turns off. [step] The screen will turn off after a few moments.

Answer format: ending1/ending2/ending3/ending4