Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to root the lg optimus g pro [title] Verify that your lg optimus g pro has a battery charge of at least 75 percent. [title] Tap on " menu, " then tap on " settings. [title] Tap on " software development, " then place a checkmark next to " usb debugging.

Ending1: [title] Tap on " erase all the settings. [step] " when the page of reset settings displays, tap on " erasing all the settings. Ending2: [title] Connect your device to your computer using a usb cable. [title] Wait for your computer to recognize your lg optimus, and wait for it download and install all updated software drivers, if applicable. Ending3: [step] " [title] Tap on " devices, " then tap on " drivers " next to " settings. [title] Tap on " software update, " then place a checkmark next to " device updates and updates. Ending4: [title] Tap on " samsung galaxy s2 _ (1). [title] Click on " samsung galaxy s2 _ (1) " in the options menu, then select " latest software updates " from the drop-down menu under " os.

Answer format: ending1/ending2/ending3/ending4