I need to upgrade my huawei ascend p6.by local update ,there is a problem plz help

[AC Question]

When I update my huawei ascend p6 by local update , I place a update file on dload folder,it started to update but it says that sd card update fail, plz help me

 

[Satin thaj]

When I update my huawei ascend p6 by local update , I place a update file on dload folder,it started to update but it says that sd card update fail, plz help me