According to the study HTC has delivered more 2.2 updates than any other wireless handset manufacturer, coming in at 50% of it’s handsets. Don’t count Motorola out just yet though, they were the fastest to get updates out to their handsets. The updates were sent by Motorola just 54.5 days after froyo was announced.
As far as the aforementioned mobile carrier – Verizon is king – taking only an average of 58 days to push 2.2. Rounding out the list was Sprint, T-mobile and AT&T. The report also states that AT&T did not update a single one of their 9 Android devices between June and December.