How to set the default email account on my Apple iPhone 4

Click each step to see the action. You can also click the picture or use the arrow keys.

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You can set one particular email account as your default.
1. Touch Settings.
2. Scroll to and touch Mail, Contacts, Calendars.
3. Scroll to and touch Default Account.
4. Touch the required account.
5. Touch Mail…
6. The default email account has been set.
Note: You can still send email from other accounts; you can choose the "from" account when composing individual messages.