what features dont work and do work on the 2ndgen version of the new update
what features dont work and do work on the 2ndgen version of the new update
Most features of iOS 4 are working with the 2G iPod touch, the features who are not working on an 2G are multitasking, custom wallpaper, and Bluetooth keyboard support.
I think your forgot to make a backup of your iPod, You must synchronise regularly with iTunes, especially before you update your iPod touch.