Recently, many iOS users found the Facebook icon on their smartphones switching from blue and white to black and blue automatically. Many iOS users have been baffled by the unexpected color shift ...

Why is the Facebook icon black? Dozens of respondents chimed in with their own experiences, many saying the darker background icon appeared after an app update. "I thought I was tripping, I let my ...

The Facebook icon now is appearing as a black background with a blue "F," rather than the traditional white on blue, for some users.