Is k800i Unlocked?

[energyman]

I have looked at the personalize menu and all are unlocked except "esl" - does this need to be unlocked for me to put a different sim in? (it is currently T-mobile phone)

[SeaMonkey]

I have looked at the personalize menu and all are unlocked except "esl" - does this need to be unlocked for me to put a different sim in? (it is currently T-mobile phone)

The easiest way to check is - borrow SIM from your friend and try