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Why does the iPhone 5c display wrong time?

My iphone 5c currently started displaying the wrong time. I hadnt updated the software yet and thought this was the source of the issue. After the update was complete the time was still incorrect. I have tried syncing my phone with itunes, deleting world clocks, doing hard resets, even wiped the phone back to factory settings. Nothing has worked 😕

iPhone 5c, iOS 7.1

Posted on Apr 3, 2014 2:39 AM

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Posted on Aug 2, 2017 3:38 PM

The issue here is most likely due to the Y2 Crystal Oscillator not resonating properly. This is a common problem with the iPhone 5c. The only way ITB can be replaced is by soldering a new one onto the logic board, getting a new logic board, or just replacing the phone completely. Sometimes though, a simple Auto date and time switch or some other suggestions will fix the problem and even a factory reset will too.

If the Y2 Crystal Oscillator is not functioning, you might also get symptoms like wifi cutting out every ~15 minutes, Bluetooth not working, Date and time issues, and gps issues.

I've had this issue for a year now and ive gotten used to it.

Started about ios 8.1.2, now running 10.3.3. Did about 5 factory resets since first noticing.

(Add 5c support to ios 11 please Apple)

51 replies

May 26, 2016 8:37 PM in response to nscott20

You can not fix it.


The cumbersome turn on/off auto time and locations or reboot or reset your phone sometimes give a very temporary relief.


I have done everything suggested in this thread, everything suggested by other threads, everything suggested by customer service and by friends.


Anything you do to try to fix it will at best be a temporary fix.


This is not a matter of your settings. It is not a software issue. My phone and yours have hardware problems. One person in this thread mentioned that you can tae it back to the store under warranty BUT if you replaced the screen, it can be related to the problem and it apple will tell you it is your fault. In my case, I bought a used iPhone an replaced the screen. The only solution is to where a watch. Missed messages from people not in my contacts and other issues just are.

Why does the iPhone 5c display wrong time?

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