Bigger screen was never in Jobs planning, it was Cook. Jobs believe that phones should be held one handed most of the time and perform task like making calls, texting and browsing with one thumb gesture only. He also believed that any hardcore internet browser, art enthusiasts or gamer should refer to tablet instead of phone. So why bother to have bigger screen phone?

Cook just a guy following the trend and demand. Consumers are actually donno what they want....

Nothing is perfect....even once its perfect, battery issue will be a thing no matter what....unless some pipu sort out to insert solar panel beneath the display to make ithe phone immortal l...

dont know bout that. But solar panel has been used by Citizen watch under their watch face to supply energy to its rechargable battery that can last 7 years! yes 7 years without the change or charging the battery. hopefully the technology will be adapted by smartphone makers.