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That was my first iPhone, it was absolutely incredible back in 2010. The Retina display was revolutionary at the time, every other phone out there had very low resolution screens that looked like garbage by comparison.

The whole antenna thing was hilariously overblown. You had to tightly grip the phone in your hand in a really weird way to have any issues. Nobody holds phones like that now, and few did then. Steve Jobs never said “you’re holding it wrong”, yet the haters still put it in quotes.
Yes it was a poor design, but you could workaround it with bumper/case/not completing the antenna circuit. I could literally connect the circuit with my finger and see the bars drop. But at least with workarounds, it would work.
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Later in the keynote, Jobs introduced FaceTime, which he demonstrated by having a video call with Apple's recently departed design chief Jony Ive.
Was this the thing that failed on stage, or was that something else?

Found it! Was actually FaceID, not FT:

During an iPhone X demo conducted by Craig Federighi in yesterday's keynote, Face ID appeared to fail to recognize his face, leading to doubts about the feature's reliability and accuracy. - Sep 13, 2017
 
I had the 3G, and then the 4G and what a huge and wonderful difference! The retina screen and the square and glass design was beautiful and clssy. I used it until 2015, but I still have it. It;s on 7.2 I tried to open it on itunes last week and back it up on my 2017 5k iMac run ing Mojave, 10.14.6/ Itunes told me it would need to erase it and upgrade the OS first. Kind of defeats the idea of backing up Apple, duh. So I bought iMazing yesterday to see if I can get everything off of it that way. I also have a 4S that I bought a number of years ago I'd like to do the same with so I'm hoping iMazing can di the job.

Edit: I forgot to mention, that I never had any antenna issues at all with my iPhone 4.
 
Look at those huge bezels!

Yeah, they look great. 😊

 
Late response I know, but wow it's been a decade already? Oh how time flies!

Indeed, the design and display of the iPhone 4 were gorgeous, incredible, and futuristic for its time. The 4/4S design is definitely one of my most favorite iPhone designs. Apple bringing back the glass back with the 8, 8+ and X was a pleasant surprise for me. The backs (especially the 8) don't look too different from the gorgeous 4/4S ones.
 
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