SMS in Phone memory

HI guyz....
im using nokia 7610. i have hundreds of sms n mms in my cphone memory....i want to transfer all those sms n mms to my Memory Card n want to wash the phone memory.
How can i copy all those SMS to my Memory so i can access them in other fone too. plz help me in this matter

[PiaMaria]

Go to Messages > Settings > Other > Memory In Use > Then select your memory card.

Then select to send all messages there.

You can also opt to keep them on your phone memory as well as your card.

Hope this helps

[dodos_4]

i ca't find the option of saving them in memory card it used to appear before but suddenly stoped
how can i restore this option