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Continue to ChatWindows Phone 8.1 GDR1 to RTM mid-July, may hit dev preview devices in August https://nokiapoweruser.com/windows-phone-8-1-gdr1-to-rtm-mid-july-may-hit-dev-preview-devices-in-august/
Windows Phone 8.1 GDR1 to RTM mid-July, may hit dev preview devices in August https://nokiapoweruser.com/windows-phone-8-1-gdr1-to-rtm-mid-july-may-hit-dev-preview-devices-in-august/