Babywear if you can. Two big sets of stairs, and airport-style security - pain in the @$& with a stroller.
Don't stress when you approach the front gates and see the massive line. The US citizen entrance (on the left) is totally separate and almost no line!
They've loosened the electronics restrictions quite a bit - we were told 3 wks ago anything up to (but not including) laptops is fine.
I agree with all these suggestions. We got stuck for a couple minutes in a mile long line before we realised that the American services one was on the other side of the tent.
And we found it really rather crowed inside so a sling/wrap/carrier is going to be the best way to go really.
Also before you go upstairs into the waiting room, make sure you purchase your return envelope from the front reception desk as you walk in. One less step then not having it and having to go back and purchase it when they ask for it at the window with your paperwork.
As far as evidence goes, I only had my passport, his birth certificate, my marriage license and they just asked a few questions about growing up. Ex. Schools, places lived, when I moved, etc.
Personally I just found it to be a lot of waiting around in a hot crowded room. So bring snacks and a drink.
Also cell phones are now fine to bring in but not sure about everything else as that was all we had.
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