Hi, Ive just gone through the threads to see if this problem has been mentioned, but it doesn't look like it. I bought my A500 a week ago, havent rooted or done anything other than installed a file manager. Via USB data transfer (music,pdfs,ebooks,images)from PC to the tab's internal storage card is working fine, and after transfer the files are visible in the file manager on the A500, and can be read/played/viewed. However. When I reboot the A500, everything is gone. Poof. Including apps like Firefox, that worked fine after install. Gone without a trace after reboot. All images/songs etc gone from the directories I saved them into. Does anyone have any idea what might be causing this ?