all files could not opened after update pages, numbers
i'm using ipad 2, I was update my ipad from ios 4.1.3 to ios 7.1.1 last week. All aplication and all file can opened properly. The problem came after i update keynote, pages & numbers. all files could not open & file name is change from alphabetical to number. all file content 2 type of file, 1 BuildVersionHistory and the other one is index.
if i open the file ... spreadsheet can't be imported... the file format is invalid
document can't be imported... the file format is invalid...
What's the solution..?
please.... help me.... thank you..
iPad 2, iOS 7.1