Nokia N78 and N82 Gets Firmware Update as reported by AllAboutSymbian.com.For the details you can see below.
Nokia N78 get firmware update to version v20.149.051.1. this version claimed could be improve when you using nokia maps.

Nokia N82 get firmware update to version 31.0.016. This version claimed also improve google maps and make stable for application you have added.To read details you can find at AllAboutSymbian.com. Back up your old data before update.