Email slow to load in mail app with iOS 11

After updating to iOS 11 my emails are taking a long time to load after they come in. The preview shows, but when I select the new message it just says loading for a long time. I am even having to leave the message and come back a few times.


This is on my exhange account with push.


Anyone else seeing this?

Posted on Sep 20, 2017 3:31 PM

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Question marked as Top-ranking reply

Posted on Sep 21, 2017 1:45 PM

Hello there kane_TO,

If I understand correctly you are able to receive the emails just fine, but it takes longer than usual to actually view the contents after updating to iOS 11. Let's start by forcing the Mail app to close with this article:

How to force an app to close on your iPhone, iPad, or iPod touch

Then restart the pone and test it out again:

Restart your iPhone, iPad, or iPod touch

If that does not resolve the issue, we should next remove the account from the phone and re add it:

If you can’t send or receive emails on your iPhone, iPad, or iPod touch​

Remove your email account and set it up again

  1. On your computer, sign in to your email provider’s website. Make sure that all of your email is there or make sure that your email is saved somewhere other than your iOS device.
  2. On your iOS device, go to Settings > Mail > Accounts.
  3. Tap the email account that you want to remove.
  4. Tap Delete Account.
  5. Add your account again.


Thank you for using Apple Support Communities, let us know how that goes.
341 replies

Oct 19, 2017 5:39 AM in response to ReedMikel

So my iPhone 6s with 11.0.3 has had all night to sync with Exchange after deleting/recreating my Exchange email account as per Apple's suggestion (tip: do NOT delete/recreate your account - total waste of time!). I just received an email for an online order: the preview was immediately available, but the body of the email took about 15 secs to display. So it is much better after doing the "certificate crap", but 11.0.3 has definitely made Mail much slower than 10.x. So much for iOS updates 😟 I've learned my lesson and will never be an early adopter again - thanks Apple!

Oct 25, 2017 8:48 AM in response to AppleJoe

I have about 10 email accounts (IMAP) with hundreds of thousands of emails that worked fine with iOS10. But it looks like iOS11 introduces some UI/UX issues with the new way that the Mail app checks IMAP folders. From what I can see, the main change, and possibly the root of the problem, is that Mail adds new messages as it sees them instead of all at once after it visits all folders.

Nov 1, 2017 11:35 AM in response to Mfkeller831

I just updated to 11.1 this morning and email seems slightly better. Overall though, it’s my opinion that the iPhone 6 does not work well with iOS 11. It may be time for a new phone. I have a few friends who have upgraded to an iPhone 8, and from what I could see, they are a lot faster. I suppose it makes sense that hardware will eventually not keep up. I’ve had my iPhone 6 for 3-1/2 yrs., but to me it seems llike I should be able to get more out of it.

Dec 7, 2017 9:06 PM in response to Frogbugz

I am also using 1 iCloud, 3 gmail and one Microsoft exchange account (I guess that’s what my work account is)


I have been using outlook app for a few days now. Yikes, I am actually using it! It’s somewhat faster. Most things display better but that’s because it didn’t enlarge the text like apple mail does.


I am just getting over ios11..... my phone is functional but not nearly as entertaining....

Dec 10, 2017 6:00 PM in response to kane_TO

I just can’t believe this is still happening. I’ve had the same issue since iOS 11 with every minor update too, now with 11.2.


I use a Hotmail and a work Exchange email. I’ve noticed that when wiping everything and installing them again, everything works fine with the Hotmail address before I add the Exchange. Then, both emails become very slow.


I see the previews normally, but the emails themselves can take forever to load. Sometimes, it seems to be faster. Also, loading new emails can be very slow too. I’m now using the Outlook app which works like a charm, but I would prefer using the Mail app. I’ve just upgraded to an iPhone X and have the same exact problem, even if I have decided to set it up as a new iPhone and upgraded to 11.2 before adding the email accounts.


Any new idea on this?

Really hope it will be addressed soon as it’s very frustrating.

Jan 17, 2018 12:02 AM in response to kane_TO

This is what I’ve noticed.


The problem exist only with my primary Gmail account. Other Gmails and emails work fine.


After updating to iOS 11.2.2 this issue was gone for about a week but then it reappeared. This happened simultaneously with both my iPhone and iPad. And again, primary Gmail account only.


So I’m narrowing it down to the differences between the accounts. Maybe you can find similarities in yours?


The Gmail account with problem has...


1. Thousands of emails archived while other accounts have a lot less

2. Custom @domain.com with gmail G Suite (not @gmail.com)


Maybe Mail app has a problem with large amounts of emails?

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Email slow to load in mail app with iOS 11

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