I51DE - sorry but I also tried the upgrade from 5.5.110 to 114,116 and 5.5.800 - all of these firmwares support 4MP (2560x1440) not 5MP (2560x1920) so you may want to test that on your system. I was able to downgrade back to 5.5.110 to restore 5MP.
Thanks for providing the original firmware :D