Why my iphone delete all the mails

That's frustrating! There could be several reasons why your iPhone deleted all your emails. Here are some possible causes:

  1. Syncing issues: If your iPhone is not syncing properly with your email account, it might delete emails on the device. Check your email account settings and ensure that syncing is enabled.
  2. Email account settings: Sometimes, incorrect email account settings can cause emails to be deleted. Check your email account settings on your iPhone and ensure that they are correct.
  3. IMAP vs. POP: If you're using IMAP (Internet Message Access Protocol) to sync your emails, it might be deleting emails on the server. Try switching to POP (Post Office Protocol) to see if it resolves the issue.
  4. Email client issues: The Mail app on your iPhone might be experiencing issues, causing emails to be deleted. Try restarting the Mail app or reinstalling it.
  5. Server-side issues: The email server itself might be experiencing issues, causing emails to be deleted. Check your email provider's status page to see if there are any known issues.
  6. Junk mail filter: If your email account has a junk mail filter enabled, it might be deleting emails incorrectly. Check your email account settings to see if the junk mail filter is enabled and adjust it accordingly.
  7. Third-party app issues: If you're using a third-party email client or app, it might be causing the issue. Try uninstalling the app and using the built-in Mail app on your iPhone.
  8. iOS update issues: If you've recently updated your iPhone to a new version of iOS, it might be causing issues with your email account. Try restarting your iPhone and checking if the issue persists.
  9. Email account migration: If you've recently migrated your email account to a new provider or changed your email account settings, it might be causing issues. Try resetting your email account settings to their default values.
  10. Hardware issues: In rare cases, hardware issues with your iPhone might be causing the issue. Try restarting your iPhone in recovery mode or performing a DFU (Device Firmware Update) restore.

To prevent this issue from happening again, you can try the following:

I hope this helps you identify the cause of the issue and find a solution!