Unable To Delete Emails From IPhone 6

Solution: 1

Step 1 : On your IPhone 6 main screen, tap the Settings icon.
Step 2 : Select the Mail option and tap your email account from the displayed list.
Step 3 : Select the Advanced tab followed by Deleted Mailbox.
Step 4 : Under On IPhone, touch the Trash option.
Step 5 : Go back to the Accounts window without closing the Settings window or canceling the changes in the settings.
Step 6 : Tap the Done button to save the changes.
Step 7 : Now, check if you could delete the emails from your IPhone 6.

Solution: 2

Step 1 : Navigate to Settings and select the Accounts & Passwords option.
Step 2 : Choose Mail and select your email account from the Mail window.
Step 3 : Disable Mail and restart your iPhone 6.
Step 4 : Enable Mail and check for the issues.

Solution: 3

Step 1 : On the iPhone 6 main screen, tap the Settings icon and go to Accounts & Passwords.
Step 2 : Select Mail and delete your email account.
Step 3 : Restart your iPhone 6 and navigate to Settings again.
Step 4 : Select Accounts & Passwords  Add Account.
Step 5 : Configure the same account settings and check if you can delete the emails from your email account. Click here to know about how to delete all Emails on iphone

Solution: 4

Step 1 : Open the Mail app on your iPhone 6 smartphone and tap the Accounts option.
Step 2 : Choose the email account in the gray section and open the Trash folder.
Step 3 : Search for the folder named Error and tap the Edit option available at the top-right corner of the screen.
Step 4 : Select the Error folder and choose the Delete Mailbox option.
Step 5 : If the warning message pops-up, tap the Continue button.
Step 6 : Now, delete the unwanted emails from your inbox.
Step 7 : If you aren’t able to delete the email, try deleting the other trash folders on your email account.

Solution: 5

Step 1 :Navigate to the Settings window and select Accounts.
Step 2 :Under Mailbox Behaviors, tap the Deleted Mailbox option.
Step 3 :In the On the Server section, select the Trash button.
Step 4 :Check if you can delete the email from your email account.
Step 5 :If you are still unable to delete emails from iPhone 6, contact our technical support team for remote assistance.