is tranquility 2.3.7 built off ota?

[sruel3216]

is it built off the ota? i need to know just incase i need to sbf to 2.1

thanks

 

[lortay78]

I have done an sbf back to 2.1 after installing and saving a nandroid of tranquility 2.3.7. I never want to do the OTA if the sbf for 2.2 won't save me like that sbf will.