Decided 0.8 Vistas Stood by it officially acknowledged Jun 20, 2012 their #14 worst decided on record

Windows Phone 7: the app gap was survivable; the guillotine wasn't

Windows Phone 8 announcement left Windows Phone 7 handsets without an upgrade path

↳ caused by Windows Phone 8 platform announcement

The market's verdict: -2.2% on MSFT in the week after.

Status: Stood by it. Working as intended™

What actually happened

In June 2012, Microsoft announced that Windows Phone 8 would not run on any then-existing Windows Phone 7.5 handset, including phones that had been in stores for only a few months. Early adopters got a partial visual refresh called 7.8 and a firsthand lesson in platform loyalty economics. Sales of Windows Phone 8 devices to those same people went exactly as well as you would expect.

This one is officially acknowledged.

They did it more than once

Later, again: Windows 10 Mobile: pronounced dead by tweet on a Sunday night (Oct 2017)

First the handsets, then the whole platform. Windows Phone fans attended two funerals.

Before that: Kin: a billion dollars of social phone, killed in 48 days (Apr 2010)

Kin buyers got 48 days; Windows Phone 7 buyers got two years. The upgrade path was always the exit.

Links

↳ caused by Windows Phone 8 platform announcement

Timeline

  • Jun 20, 2012 Stood by it Microsoft stood by it.