Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to use a kindle fire hd [title] Charge the device. [step] Look in the box to find the charging cable, which should come with your kindle. [title] Plug the charging jack (smaller end) into the the kindle fire's charging port on the bottom.

Ending1: [step] You should also find a small opening in the side of the device with a button with numbers located on it. [substeps] Don't open the port or it will not work. Ending2: [step] The wire should be in the corner of the screen. [title] Convert the direct connection to wi-fi. Ending3: [step] Go back to your device and recharge the device. [title] Plug in the kindle recharger cord that came with your kindle. Ending4: [title] Plug the other end into a wall outlet. [step] You can check if your battery is fully charged when you swipe down from the top of the screen and tap more] device, you'll see the battery remaining as full.

Answer format: ending1/ending2/ending3/ending4