Rumors point toward a probable Tango launch in China on the 21st of the month, but folks over at the XDA forums already have their eager palms on a "world first" ROM. The leaked Windows Phone goodies show support for more multitasking apps, getting a boost from the five that are currently supported in Mango to eight. Additionally, Tango (8773) seems to use less no-task memory than its older 8107 sibling, while it also brings Delivery Confirmation and Acknowledgment to its MMS settings. More secrets are bound to shell out over the next few hours, and you can keep yourself entertained by checking what else slipped through the cracks at the XDA site by clicking our source links below.
Windows Phone Tango ROM leaks out, reveals support for more background tasks
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