In the usage section of IPhone 5 it says I have 349MB inn Mail. However, I have deleted ALL inbox, sent, trash etc...there is nothing in the mail. How do I get the Storage in the Usage section to empty this mail? Thanks
Try rebooting the phone. Press and hold Home+Sleep until the Apple logo appears.
If that doesn't work, and the email account you are using with Mail is not connected using POP3, then try removing the email account and re-adding it. Go to Settings app > Mail, Contacts, Calendars > tap on the specific account > Delete Account. Confirm that you want to delete it, and reboot the phone - press and hold Home + Sleep until the Apple logo appears. Re-add the account by going to Settings app > Mail, Contacts, Calendars > Add Account.
Tubedogg is correct, but I would like to add that his method for rebooting the phone actually forces the phone to reboot. This is good for when the phone is non-responsive or you are doing other troubleshooting steps. But it should not be necessary for most applications, including this one. Simply holding down the Sleep button (at the top of the phone, or side if it is a 6/6+) until you get a control that tells you to slide to power off. That is a graceful shutdown.
Removing the account may work and is worth a try. failing that you may want to backup the phone then wipe it: Settings -> General -> Reset -> Erase all content and settings. Once it is wiped, just restore from the backup you just made.
Doing that cleared up a lot of free space on my phone (a 5 with 8.1).
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protected by Community♦ Feb 4 '16 at 15:19
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