Mail app on iphone shows unread messages

The frustration of seeing unread messages on your iPhone's Mail app!

There are a few reasons why your iPhone's Mail app might be showing unread messages even when you've already read them. Here are some possible causes and solutions:

  1. Syncing issues: If your iPhone is not syncing properly with your email account, it may not be updating the "read" status of your messages. Try restarting your iPhone or checking your email account settings to ensure that syncing is enabled.
  2. Mail app cache: The Mail app may be storing a cached version of your email messages, which can cause issues with the "read" status. Try clearing the Mail app's cache by going to Settings > [your name] > Storage & iCloud Usage > Manage Storage > Mail, and then swipe left on the Mail app to delete its cache.
  3. Email client settings: Check your email client settings to ensure that the "read" status is being updated correctly. For example, if you're using IMAP, make sure that the "Mark as read" option is enabled.
  4. Third-party email clients: If you're using a third-party email client, such as Microsoft Outlook or Spark, it may be causing conflicts with the native Mail app. Try disabling the third-party client or switching to the native Mail app to see if the issue persists.
  5. Email account settings: Check your email account settings to ensure that the "read" status is being updated correctly. For example, if you're using Gmail, make sure that the "Mark as read" option is enabled in your Gmail settings.
  6. Firmware issues: In rare cases, firmware issues can cause problems with the Mail app. Try restarting your iPhone in recovery mode or performing a DFU restore to see if that resolves the issue.

To troubleshoot the issue, you can try the following steps:

  1. Open the Mail app and go to the "Inbox" or "All Mail" folder.
  2. Swipe left on a message to mark it as "Read".
  3. Check if the message is still marked as "Unread" after marking it as "Read".
  4. If the message is still marked as "Unread", try deleting and re-downloading the message to see if that resolves the issue.

If none of these steps resolve the issue, you may want to try resetting your iPhone's Mail app settings or seeking assistance from Apple Support.