July 11th, 2011, 10:06 PM
Join Date: May 2011
Location: Washington State
Device(s): Acer Iconia A500 Root
Acer Iconia A100 Stock
HTC Incredible one Root
HTC Rezond Root
Carrier: Not Provided
Thanked 83 Times in 74 Posts
A factory reset wont put your tablet back to the old ROM.
You will need to root your A500 which is really easy with gingerbreak.
You can check this video to see if ti is something you want to do.
YouTube - ‪[Tutorial] How to Flash Custom Rom On the Acer Iconia A500 (Virtuous Picasso)‬‏