Activate Apple ID on mobile phone
Check data usage
Guide to keys and sockets on mobile phone
Restart mobile phone
If you have problems sending and receiving email, you can delete the email account from your mobile phone and then set it up again.
Find "Mail, Contacts, Calendars"
Tap Mail, Contacts, Calendars.
Delete email account
Tap the required email account.
Tap Delete Account.
Return to the home screen
Tap the Home key to return to the home screen.
Tap anywhere to dismiss
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