listed below is a response from a fantastic forum moderator on a different thread. Not flaming you, but just run a simple search before asking a question to see if you can find the answer. I found it on the first shot.
Yesterday, 10:59 AM
Crucial_Xtreme
Forums Moderator
Device Model: 9xxx
Carrier: Rogers Join Date: Jul 2008
Location: N.C.
Posts: 5,221
You can clear the Event Log: Pull up the full keyboard>press 123!? for number lock then enter: "/ "/ then press menu>Clear log. Then pull the battery. Also make sure you close out applications the correct way when finished. Menu>Close. Also, as the new SW comes out, it will eventually allow for some more memory.