All Superphone last until last summer

What is the shelf life for a flagship smartphone? Once is a year but as time changes, now left only 4 months with no guarantee of next update or support from the vendor.

Don't believe?

Check out the latest victim, the once mighty L9 hundred.

But it is not alone, if you notice, not all phone in market will get their update from their vendor. Even they get it after a long long long time of waiting, it already outdated or became a near outdated updated.

Check out the update from Gingerbread to Ice Cream Sandwich or Jelly Bean.

p/s: Actually that was the title from a short story that was made into a major motion picture, A.I. All Super toy last until last summer.