hello, i purchased a sanei n90 from you in march & i have been unable to update the fimware from any site i have found. everytime i open the files to load to my tablet i get a message stating incorrect file type or corrupted data. also, although my pc recognises my tablet i cannot get the tablet to receive the update. it just reads it as usb storage. can you help please as other than this i am quite happy with my tablet. i just want it to work with bbciplayer and for more apps not to read as incompatible with my device. thankyou. s hadley.