iphone 5s calender bug?

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iphone 5s calender bug?

Hi,

Yesterday I encountered this phenomenon on my iPhone.
I was browsing through my calender while suddenly some of my appointments dissapeared and later on re-appeared in my calender.

For your information, this calender was stored locally on my iphone and I was connected to the internet through a VPN on my wifi.

I added some pictures below as I took screenshots of this phenomenon.

Picture 1:

My second appointment of that day seems to be missing.

Picture 2:

My first appointment of that days seems to be missing.

Picture 3:

All of the appointments have reappeared in my calender.

I kept on trying to see if this would happen again, and later on that night this phenomenon reappeared.

Again, I took some screenshots.

Picture 1:

Appointment 1 is gone.

Picture 2:

Appointment 1 reappeared (not shown on picture) and number 3 dissappeared.

Picture 3:

Everything seem to be normal again.

Now, the non-trivial question here is :

Is this a bug in the iOS system, or was my iPhone hacked and was someone messing with me?

Kind Regards

iPhone 5s, iOS 7.1

Posted on Apr 24, 2014 9:01 AM

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Answer 1

Best reply

Anthony Hobbs

Level 4

1,108 points

Apr 24, 2014 9:06 AM in response to schreudern

You're phone wasnt hacked unless you're iPhone was jailbroken. So you dont have to worry about someone messing with you.

Has this happened to you multiple times? And are you able to recreate the bug?

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Answer 2

ChrisJ4203

Level 10

230,347 points

Apr 24, 2014 9:08 AM in response to schreudern

I've never observed this behavior. If your iPhone has not been jailbroken, then it cannot be hacked. Do you sync your calendar anywhere else, such as a cloud service, iCloud, Google, Yahoo, or a work Exchange account? I know you said the calendar was local on the phone, just checking the sync.

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Answer 3

schreudern Author

Level 1

0 points

Apr 24, 2014 9:43 AM in response to Anthony Hobbs

My iPhone isn't jailbroken to my knowledge.

And no, this hasn't happend before. I have been able to reproduce the bug once a couple of hours later but without knowing how exactly and whenever i try to reproduce it now (by opening, closing and reopening the calander app, swiping left and right) i do not get the bug.

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Answer 4

schreudern Author

Level 1

0 points

Apr 24, 2014 9:45 AM in response to ChrisJ4203

No, I do not sync the calander on a cloud service.

Are you 100% sure the iPhone can not be hacked when it isn't jailbroken?

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Answer 5

Apr 24, 2014 9:47 AM in response to schreudern

The iPhone cannot be hacked if it isnt jailbroken. iOS has a closed system to prevent this.

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Answer 6

ChrisJ4203

Level 10

230,347 points

Apr 24, 2014 10:05 AM in response to schreudern

Yes I am. What troubleshooting steps have you tried? Have you tried a reset? Hold the sleep/wake and home buttons together until you see the Apple logo and then release. The phone will reboot. Do you sync your calendar with something on your computer, such as Outlook? If so, did you look on the computer to see what the calendar looks like? If you don't sync to an application on the computer, how are you backing up your calendar in case something is wrong for you to get content back?

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