Choosing a message tone for my mobile phone
Installing and using apps from App Store
Uploading pictures or video clips to social network sites
Turning GPS on my mobile phone on or off
Using tethering on my mobile phone
If you've set up more than one email account on your mobile phone, you need to select a default email account. When you write email, they'll automatically be sent from your default email account.
Find "Default Account"
Tap Mail, Contacts, Calendars.
Tap Default Account.
Select default email account
Tap the required email account until it has been selected as the default email account.
Return to the home screen
Tap the Home key to return to the home screen.
Tap anywhere to dismiss
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