I still use my old Nokia N9 but I am hearing good things about this one (friend has a oneplus 1 and is really pleased with it, durable and fast)
http://www.techradar.com/reviews/phones/mobile-phones/oneplus-3-1323353/review
Ah nokia, mine is a 6 year old nokia, £5 a month
"Modern" phones do my nut in, lack of battery power, too bulky, but I've always got my eye on an "upgrade" so will watch this thread with interest!