lumia 1320 windows 8.1 update 1 stuck with gear loading

[WPCentral Question]

Could someone please help me with my problem,yesterday i try to update my phone lumia 1320 to windows 8.1(8.10.12400.899) update 1for 5 hrs and its been stuck up now. I already turn off and on so many time,only gear loading appear in the screen.