when Jailbreaking/unlocking a phone, does Cydia have to be installed?

[dvigue]

or can i deselect it when asked? im not really into the 3rd party apps nor the themes...so do i need to install it?i just want my phone to be able to be used on tmobile, that is it...

[14u2nv]

you can't even get the aps to unlock without cydia, so yes you have to have it.

[SNiiP3R]

I think if you have a V1 phone then you can choose, to have cydia installed + unlock or just unlock without cydia.