Both my i730 and my i760 stayed on the correct date.

Just curious, what is your setting for the Time Setting in the Phone Settings

On the Today Screen, Click Menu, Phone Setting, Services Tab, then choose Networks, and click Change Setting.

Which box is selected for Time Setting?

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-Michael
Need help setting up your i730/i830 or other WM2003/WM5 Phone, as well as the other hacks I have done, check out the MRailing Guides and Links