1. Iphone 6 (64GB) (refurbished)
2. 2 years 9 months (bought a refurbished phone back in January 2018)
3. yes (except i lost one iphone 6, used it for 3 months)
4.
Some samsung phone (used)- 3 years
Lumia 920(new)- 2 years (best phone ever), screen stopped responding, no fix worked
Galaxy S5 - a little less than 2 years (I still have it, it slowed down so had to replace it).
Iphone 6 (used) - 3 months (lost it)
Iphone 6 (refurbished)- 2 years 9 months (It has slowed down significantly, planning on buying an iphone 12 or 12 pro)