I have the original build.prop,...have been trying to update it using. Buildupdate.zip file which contain the Meta.INF and system file which contained the downloaded build.prop file then I replace it wit mine but dere was error in updating of the zip file .....cant say if it was because the zip file is not compatible with my device (infinix 530)....pls if I cud get backup of build.prop for infinix x530