Find "Access Point Names"
Press Applications.
Press Settings.
Press Wireless and network.
Press Mobile networks.
Press Access Point Names.
Delete data connection
Press Vodafone Mail.
Press the Menu key.
Press Delete APN.
Press the Home key to return to standby mode.
Find "Email"
Press Applications.
Press Email.
Delete email account
To see a list of email accounts:
Press the Menu key.
Press the Menu key.
Press Accounts.
Press and hold the required email account until a pop-up menu is displayed.
Press Remove account.
Press OK to confirm.
Exit
Press the Home key to return to standby mode.