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iOS 18 bug with the mail app

After updating to iOS 18, the mail app filters (flagged emails and unread emails filters) no longer work properly. If you choose to activate any -or both- of those filters, your aggregate inbox (where you see all the inboxes of all your email accounts combined into one inbox) shows up as empty (see attached screenshot) regardless of having unread and/or flagged emails, those will no longer show up at all. In my case there are 100s of flagged emails in all my

inboxes and several unread as well, but none of those appear as soon as you activate the email filters. So the only way to see unread and/or flagged emails after updating to iOS 18 is to have the flagged and unread email filters de activated.

iPhone 15 Pro Max

Posted on Sep 19, 2024 3:37 PM

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Question marked as Top-ranking reply

Posted on Sep 26, 2024 10:32 AM

I only have one email account. It will update the “all mail” folder, but not the inbox folder.


I truly do not like the iso 18 update. I don’t like the calendar change, the photos change…why can’t APPLE just leave things alone and use updates for fixing bugs and such???

27 replies

Sep 20, 2024 2:19 PM in response to zach1821

I discovered the bug with iOS mail app under iOS 18….(is Apple listening?)….as long as your have no more than 10 email accounts, the combined inbox functions properly, meaning that flagged and unread emails appear as expected, as soon as you add one more (the 11th) email account the combined inbox shows up as empty when you activate the flagged and unread emails filters


Dec 14, 2024 5:56 AM in response to zach1821

I have one active Gmail account on my iPhone and the iOS Mail app is totally messed up. I’ll click on an email and a different one will open up. Or maybe it will be something like the sender is New York Times and subject is some news item, but the content is from an entirely different email from a friend. This has been going on since the iOS 18 update, but I gather it's been an issue for others for a long time. I have restarted my phone and I have uninstalled and reinstalled my Mail account. Why can’t Apple fix its own native mail app?

iOS 18 bug with the mail app

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