8gb iPhone 2G on release day in the UK (2008??). Total fluke I just happened to be with the sole carrier here and saw from my office window the store bedecked in balloons and wondered what on earth was happening. Never looked back since.
I still have that phone, it plays lullabies to my 3 year old every evening. Made from granite.
On my first iPhone, 6 plus.
My first none Nokia/Microsoft-phone. Will be going back to Windows Phone on the next one. iOS feels very restricted, almost claustrofobic in comparison.