Nokia E-5 issue

[gaurav2878]

Few Months back I purchased Nokia E5 with great features from the data processing speed to the 5 MP camera. I am using 4 GB memory card as external memory for the phone but now days whenever I try to do anything like saving a reminder in calender, writing new message or notes, doing web browsing.. It use to say "Memory full. delete or move some data from C: phone memory."
Now days it goes HANG many times a DAY
I thought for Hard Reset but the problem is that I am not able to take backup of phone memory it says "close all the applications or memory is full delete some data first." where while taking backup I close all the applications.

Can anyone tell me the Code for factory reset and the PROCESS of HARD Reset.
and can we store our messages from mobile to PC from Nokia OVI Suite.
Help is required..

[Harshal]

This option restores the original operating system from the ROM. Formats the C: partition and deletes all data including the memory card. Key Code *#7370# (click this combination of keys on the keyboard in the mobile)

You can also achieve Total Reset by pressing and holding down following keys:
* + 3 + Green Button (call) immediately after turning the mobile on.

[gaurav2878]

Thanx for helping Boss.. But as i told that I have not taken any backup, will it be safe that Formatting without Backup.