Root how to install lg's official android 2.1 OS gt540

[athulani999]

HI,

I had installed android 2.2 in my lg optimus gt540 , so i had rooted it. But i wants the official android os 2.1 back is it possible.... is it possible in lg service center?

 

[Nirob]

HI,

I had installed android 2.2 in my lg optimus gt540 , so i had rooted it. But i wants the official android os 2.1 back is it possible.... is it possible in lg service center?

You can downgrade to 2.1(with Fastboot)... Check the "Restoring back to 2.1:" section in the CyanogenMod 7 or CyanogenMod 6.1 thread...