How to update my google Nexus S 4G to gingerbread 2.3.4?

[Lily Green]

pls help me to update to android 2.3.4 firmware, my battery lose qulickly, gingerbread 2.3.4 seems saving battery.. thks.

 

[Amy Lee]

Yes, official cyanogenmod for you.
You can check it from xda forum.
1. download CyanogenMod 7.1 from ROM Manager.

2. copy downloaded ROM file to the SD Card root, connect phone to pc.

3. launch ROM Manager and tap on Flash ClockWorkMod Recovery.

4. use the in-app option to reboot phone in Recovery mode.

5. do a Android backup. WIPE data/Factory Reset.

6. go to Recovery's main menu and select the CM 7.1 ROM file you copied previously to you SD Card root.

7. rest steps are automatic.