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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

Feb 28, 2015 11:20 AM in response to deggie

Hello I just face this problem in uae 3 days ago with iPhone 5c I called apple trouble shoot an hour nothing happen almost 4 times did hard reset I loose everything including contact really very frustrating and want to phone in dust bin as with out alarm no use all log I check everything mention tried I did 3 times power button press 3 second and 10 sec home button than release power button hold for 15 second home button phone turns to recover mode in iTunes as per apple support but really nothing happen


Waiting for some hope some one will tell some thing new which will fix that issue

Mar 2, 2015 1:33 PM in response to aak2004

I Don't know if you have been away abroad or in another time zone but I believe that's what is causing this issue. Quick fix 🙂

1. Go to settings>date&time>set automatically>on (if it's already on turn it off and back on)

2. Go to settings>privacy>location services>on (same again if it's already on turn it off and back on)

3. Finally settings>airplane mode (turn it on and wait 10 seconds then turn it off)

FIxed 🙂 Worked on mine please let me know if it helped

Mar 2, 2015 1:37 PM in response to nscott20

I Don't know if you have been away abroad or in another time zone but I believe that's what is causing this issue. Quick fix 🙂

1. Go to settings>date&time>set automatically>on (if it's already on turn it off and back on)

2. Go to settings>privacy>location services>on (same again if it's already on turn it off and back on)

3. Finally settings>airplane mode (turn it on and wait 10 seconds then turn it off)

FIxed 🙂 Worked on mine please let me know if it helped

Mar 2, 2015 11:01 PM in response to Lord Onion

HellI all these I tried already I reformat my phone completely 4 time all data contacts gone but no success


i connect with iTunes press home button for 15 sec one red color charger connect sign appear and done restore but problem remains same also I tried by press power button 3 sec and home button 10second together than realease power button and press home for 10 second device come in recovery mode in iTunes every thing wash out I done setup as new but remains same



good thing is that phone will keep time perfect until it is not connected to Internet once connect with Internet problem starts in short iOS developer have to do some thing

Mar 21, 2015 10:05 AM in response to nscott20

Ok So here's what's happening, it's a hardware issue Apple are aware of, there is a timedate chip within the handset and a cmos battery, either have failed, now here's your options. If you have ever had your screen replaced don't even bother with Apple they will say it's not covered, if not go to apple and tell them its a known fault, you should end up with a swap out. quote consumer law.


check me out on Facebook. Wheyiman

Jun 22, 2015 4:11 AM in response to Mauxus

I don't know if it will help, I had this problem for about two weeks and I just went to settings> icloud > and turned off find my phone
my 5c corrected the time instantly even after all previously mentioned methods failed.

I will respond/ edit this post if the problem comes back,


Alas, it only too 1 hour to loose track again, I'm sorry but i tried 😟

Why does the iPhone 5c display wrong time?

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