We’re getting various reports that the LG Optimus One will indeed be getting an Android 2.3 Gingerbread update very soon. So we believed that the update for the LG Optimus One was going to be rolling out in the near future and guess what? Yesterday, LG confirmed that the official Android 2.3 Gingerbread update for the LG Optimus One smart phone has arrived Romania with the V20G version, and other carriers are confirming it to be coming in the next few months as well. LG Cell Phone Software
You should be able to pull the update manually if you head into the settings on your phone. Let us know how the update works out. LG-Optimus info
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Just manually upgraded the P500 to official Gingerbread 2.3.3
It looks fine.
Firmware (open European) can be downloaded here:
http://csmg.lgmobile.com:9002/swdata/WEBSW/LGP500/ANEUBK/V20e_00/V20E_00.kdz
and it can be flashed using KDZ_firmware_updater
download it here:
http://www.mediafire.com/?jkk2dwewjmfz346
You can upgrade the FW using procedure similar to this:
http://lgp500.wordpress.com/2011/03/25/how-to-downgrade-your-firmware-lg-optimus-one-p500/
P.S. It seems AVG fires a false positive on KDZ updater