Back in the early days of Windows Phone 7, some users of the then-nascent operating system noticed that their smartphones were consuming a whole lot more data than their usage patterns could explain. After some detective work and network traffic analysis, the culprit turned out to be the interaction between Yahoo Mail servers and WP7, using far more data than necessary when syncing messages. That leak has since been plugged, but is there a chance that we could see it, or something like it, return for Mango?

Right now all we have are unconfirmed reports; we’d like to see a whole lot more anecdotal evidence before saying that a data leak has returned, and especially get a look at some network logs. At least one user notes that after upgrading to the latest Mango beta release, he saw some alarming data usage, to the tune of hundreds of megabytes per day.

There’s a lot going on in Mango, so this could be just user unfamiliarity with some of its features, like podcast sync support, that consume a lot of data. For anyone who’s been trying out the beta, how has it affected your data consumption? Have you noticed any spikes that you can’t explain?

Source: WMPoweruser