They may have short memories but many consumers will switch and try something different now because they don't want to wait for whatever's next.

Since the flagships are all pretty close these days, it will be more challenging to get them back due to the upgrade cycle.

40% of Android users upgrade as soon as provider allows (usually every 2 years) while 58% wait until their current phone dies or becomes obsolete. [1]

[1] http://www.forbes.com/sites/niallmccarthy/2015/07/09/how-oft...