Home » Site-Sections » Gadget News » Windows Phone 8.1 OS to Launch on April 23rd? » Windows Phone 8.1Windows Phone 8.1by Jon WitcombeMarch 31, 2014 Leave a ReplyYour email address will not be published. Required fields are marked *Name * Email * Website Please enter an answer in digits:five × three = Type in the text displayed above Comment * Δ