WPCentral is reporting that starting on Sept. 27, Microsoft will release the Mango update to AT&T customers using HTC Surround, LG Quantum, and some Samsung Focus handsets.
Those using the Samsung Focus hardware revision v.1.3 will get the update on Sept. 27; those using hardware revision v.1.4 will get it in October, according to WPCentral.
WPCentral also reports that a subsequent release is projected to be available for customers with the HTC HD7S in early to mid October.
We have emails in to Microsoft and AT&T to see if they can confirm this.
[Update 9:17 a.m.: An AT&T spokesperson says: “Customers with qualifying Windows Phones (HTC HD7S, HTC Surround, LG Quantum and Samsung Focus) will receive notices when the update is ready for download. Since the update will occur in stages, customers will receive the notices on a rolling schedule with different phones being updated at different times.”]
[Update 11:37 a.m.: AT&T said the question of whether the Mango rollout will start on Sept. 27 should be directed to Microsoft. A MIcrosoft spokesperson said: “There’s a lot to look forward to, and we are excited to share more very soon.”]
Microsoft had said earlier this week that Windows Phone 7.5, codenamed “Mango,” would be rolling out sometime in the next week or two.
AT&T had said earlier this month that it would be among the first carriers to deliver the Mango update to existing Windows Phone 7 customers.
The carrier had also announced earlier this month three new additions to its Windows Phone lineup including the HTC Titan, Samsung Focus S and Samsung Focus Flash. The company did not say exactly when those phones would hit the market.