Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to deactivate facebook on blackberry [title] Launch facebook. [step] Locate the blue " f " app icon of facebook on your blackberry device and tap it. [title] Log in.

Ending1: [step] If you already have an account, enter your username and password on the required fields and tap " log in ". [substeps] You'll need to create your account before you can take off your mobile phone entirely. Ending2: [step] You can do this from any of the following websites : [substeps] On facebook: sign in your facebook account. On an iphone: sign in at the designated login screen. Ending3: [step] Enter your facebook login details on the text fields provided then tap the log in button to continue. [substeps] You will be asked to provide basic information such as your birth date and email address. Ending4: [step] You may still be logged into your account after your previous session. If this is so, just skip this step; otherwise, enter the email address, or username, and password of the account you want to deactivate into the fields on the welcome screen.

Answer format: ending1/ending2/ending3/ending4