Originally Posted by
canadiancow
I should note that I was on an E75 recently where I asked if it had wifi, and the FA checked something, and came back and said no. So that would suggest SOME E75s have wifi.
E90 (and probably E75) access panel for wifi is in the galley, right by R2 on the right side if facing R2, about 6 feet off the ground, about 4 inches tall and 8 inches wide.