Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to use a sim card to switch phones [title] Open the contacts list on your original phone. [step] It's possible to back up your contacts to your sim card before transferring it, but this isn't always the most convenient option. It's useful if you're moving to a dumb phone, but if you're using smartphones your contacts are typically synced with your google account or apple id.

Ending1: [substeps] You can normally get your contacts on the main screen of your phone or just on the sim tray underneath your keypad. [title] Scroll down to the back of the screen, and tap contacts. Ending2: [substeps] Most phones include a google address book, which is available to all users. If yours doesn't, you'll have to order additional cards through the app store. Ending3: [title] Look at the phone's options. [step] Most phones can be switched on by press and hold the globe button (x) or the " menu " button (mobile). Ending4: [title] Open the menu and select " export " or similar option. [title] Select your sim card as the destination for the exported contacts.

Answer format: ending1/ending2/ending3/ending4