Nokia N900 got Android 2.3 on this new year.If you want to install Gingerbread on your Nokia N900 then follow these steps.Before installing it you must have knowledge about using x-terminal.

To install Android 2.3 on n900 follow these steps-
1. Connect your mobile to internet via Wi-Fi or Cellular data and insert a MicroSD card in mobile.
2.Enable all repositories from App manager (Extras-testing, Extras-devel, Extras and the default Nokia)
3.Install rootsh (if you don’t have) and Leafpad from the App manager
open x-terminal type

root
apt-get update
apt-get install nitdroid-installer
y
y again if it asks again.

Close x-terminal when package is installed


Now Download Nitdroid Gingerbread
http://downloads.nitdroid.com/e-yes/N11_Vostok.tar.bz2

Copy it to: /home/user/MyDocs
Download Nitdroid Kernel
http://downloads.nitdroid.com/e-yes/...nal1_armel.deb

Copy it to: /home/user/MyDocs
Open terminal and type:

root
cd /home/user/MyDocs
bzip2 -d N11_Vostok.tar.bz2
cd /home
mkdir /and
cd /
mount /home /and
cd /and
tar xvf /home/user/MyDocs/N11_Vostok.tar
dpkg -i /home/user/MyDocs/nitdroid-kernel-2.6.28-06_final1_armel.deb

Now type-
leafpad /etc/multiboot.d/11
(then press tab on your screen and press Enter to open it in Leafpad )

Your .item file shall open take a look at ITEM_DEVICE, if you’re using an mmc then change it to
ITEM_DEVICE=${INT_CARD}p2
OR if you don’t have an mmc
ITEM_DEVICE=mmcblk0p2

Now Reboot mobile and open physical keyboard,during start up you will get two OS options Maemo and Nitdroid.Select Nitdroid and enjoy Gingerbread.



video
http://www.youtube.com/watch?v=kFMTofYt_2g