Windows Phone 8 GDR3 Preview users receiving new update, bumps OS version to 8.0.10521.155
Windows Phone 8 GDR3 Preview users receiving new update, bumps OS version to 8.0.10521.155 | WinBeta
Windows Phone 8 GDR3 Preview users receiving new update, bumps OS version to 8.0.10521.155 | WinBeta