Hello guys! Need help here. I forgot the security questions and my password. I can't open my phone. any suggestion please. I tried to contact the apple center but our office phone can't call outside the office. I can't receive the e-mail cause I mistakenly input a wrong e-mail. Please help...

Dear all, I am writing to seek help from the community and hope some of you may be able to give me some assistance. I have an iPhone 6 and since I upgraded to iOS 9.2 back on December 10, 2015, I have encountered problem signing in to my iTunes account on my updated iPhone6. Everything works...