Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to update the galaxy s2 [title] Tap on " menu " and select " settings. [title] Scroll to and tap on " about device. [substeps] On some galaxy s2 devices, you may be required to tap on " system updates.

Ending1: " [title] Tap on " software update, " or " update samsung software. [title] Follow the on-screen prompts to automatically update your device, if updates are available. Ending2: " on other devices, tapping on " automatically update? " may not be necessary. The general rule is to pause before and after an update, allowing the system to finish in full before the update, and re-tap if app is installed. Ending3: " [title] Slide the os button next to " update system updates " to the on position. [step] It will bring up a menu with different apps that can then be installed or turned on. Ending4: " [title] Log in with your google account. [substeps] On some samsung galaxy s2 devices, you may need to log in in a separate application other than your google account, such as google wallet.

Answer format: ending1/ending2/ending3/ending4