The Mail app on my iPhone 5s crashes while launching. I assume that it is trying to restore its last state. Unfortunately that last state was what originally crashed it. So restoring that state results in a Mail app that will always crash on start up. What can I do to prevent the Mail app from restoring its last state on start up?

I already tried the following:

  • disabling all Mail accounts
  • send myself a mail to launch the Mail app from lock-screen
  • closing the Mail app
  • rebooting the phone
  • contacted Apple support - only to find out that restoring an old backup is the only thing they know will help

I do not want to restore from a backup, because it is probably not possible to restore the Mail app backup only.

  • try holding down both the home button and the power button. This will do a full reboot. Then try opening Mail.app – John K May 15 '15 at 8:07
  • @TheBro21 thanks for the comment but I missed to mention that I already already tried to reboot the phone without success. – Martin May 15 '15 at 8:21
  • Ok. That is the only thing I can think of. Another thing you. could try is do something in the Mail.app settings. Or sync, or restore – John K May 15 '15 at 8:26

I finally fixed the issue without data loss. Here is what I did:

  1. Created a backup from the iPhone while the Mail app was still broken
  2. Run Restore iPhone... within iTunes (I tried Restore Backup... which did not fix the issue)
  3. After the iPhone was reset to its factory defaults I set it up using the backup I did in 1.

If I have just an app crashing I usually do a double-tap on the home button and swipe the misbehaving app up to "remove it from memory." This (I believe...) forces the iPhone to launch the app in it's default, rather than previous, state. And usually fixes app crashing issues.

  • Isn't this what "closing the ... app" means? The OP has also mentioned in comments that they've rebooted the phone, which should also have the same result; shouldn't it? – MrWhite May 15 '15 at 16:54
  • I am not sure if rebooting the phone will also remove the saved state or not, not something I have never checked. One would think that it would clear that but since it is such a quick thing to try I thought I would post it on the off chance it has the desired effect. – Steve Chambers May 15 '15 at 19:03

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