I gotta say, I love the fact UK still has the SIM tray. Must like most of the comments, I travel a lot for work, but the jobs I work on usually provide us with a hideously old Android phone that has everyone’s number pre-loaded on to it, and that’s our main method of communication for two months at a time. Which means carrying around two phones at all times, and then turning on tethering every time you leave the hotel Wi-Fi. And remembering to turn it off, of course.
Once I switched my personal to e-SIM, all I have to do is transfer the numbers I need on to the SIM and then plug it in to my personal phone. Easy peasy, one phone carried with me at all time, data used like a normal phone. This I wouldn’t be able to do if there was no sim tray, but eventually I’m sure all phones will abandon sim trays, and I’ll be back to two phones like Walter White.
It’s a minute, 1st world problem to be annoyed at having to carry two phones, but man does it make life a little bit easier on the road. Now if I could find a way to mass delete the numbers out of my contacts after the job…