I've recently purchased what I thought was going to be a SuperPad III / Flytouch III, but when it arrived the box said "SuperPAI III". I'm strongly considering flashing it with tim5a, but want to know if there's any way for me to backup the original factory ROM before rooting the tablet (just in case something goes wrong, so I can restore it back to it's shipping condition).
First I would contact your seller and tell him the pad is hanging on boot and that you have been told the way to fix it is flash the firmware. Then just download the file they link you to and hang on to it. It's funny but a lot of sellers are actually linking users back to Tim's roms. Some will just tell you where to look for a custom rom.
If they do not link you here is a link to a post with a few stock roms in it.
http://androidforums.com/gome-flytouch-3/391112-stock-rom-downloads.html