you can add on the holiday bonus, and it will remain on your account to be used fully. it is not a "recurring" amount of data though, so once it is used, it will be gone.
due to a lot of scams etc, I have been told that we need to have a moderator do the porting of numbers. You can use the simon bot on the bottom right of the screen and contact a mod by putting in "port" and simon will send you a link to contact a mod...