bhai mery pass nokia lumia 1320 window phone hai. aur es mein window 8 hai .main ny is ko update bhi kia hai aur software update bhi ho gia hai .pehly software version 8 tha. update k baad software version 8.1 ho gia hai .main is mobile mein window 10 krna chahta hoo.kia main ye kr skta hoon .agar kr skta ho to kesy.plz help.