STEP-BY-STEP INSTRUCTIONS HOW TO DELETE ALL INBOX E-MAILS AT ONE TIME ON IPHONE: Open Inbox. Cl. on EDIT. At bottom of screen, Cl. "Mark All" and then select "Mark as Read." Cl. EDIT again. Mark the first e-mail by selecting it. Then PRESS and HOLD the MOVE button at the bottom. While holding MOVE, UN-select the first e-mail. Then let go of MOVE button. If a windows comes up and ask where you want to move them, select TRASH. If not, when you release MOVE, all e-mails will automatically move to TRASH. Navigate to TRASH, cl. on it and it will empty. ALL E-MAILS SHOULD NOW BE GONE! Note: If you want to skip the selection window of telling the mail app where to move the e-mails, do this: Go to Settings. Select Mail, Contacts and Calendars. Select your e-mail account. Scroll to ADVANCED button. Under Move Discarded Messages Into, check "Deleted Mailbox." After this, whenever you release the MOVE button, they will all automatically move to Trash. I'm a newbie on the iPhone and boy was I upset about no Delete All button for my Inbox until I discovered this fix. TAKE NOTE APPLE! EVERYONE WANTS A DELETE ALL BUTTON!!!!!