Cseries :: Nokia C7 Display Defect?
Feb 3, 2011
I have a Nokia C7-00 that was purchased SIM free and unbranded in Germany, with which I'm experiencing distinct colour banding / gradient problems. It is also common on Nokia N8 displays. I'll try to describe my problem:The first tell tale sign of the issue seems to be a common one: A purplish tint on the top half of the screen saver clock (visible when the phone is keylocked and then the menu key is pressed).As time has passed by since first noticing this problem- I have also noticed that videos and images that are predominantly dark are also having issues being displayed properly. The effect being similar to if the image was being shown on a screen with limited colours, for example, if you set your computer screen to display only 16bit colours. In areas of images that black is supposed to fade into lighter colours, the image is completely off.
I have contacted Nokia care and they have no input other than re-installing my firmware (which is impossible to do anyway- as they seem to have provided me with inaccurate instructions- there is no way to re-install my firmware via Ovi Suite or the handset)I've since moved away from Germany and from what I understand my 2 year warranty is only valid in Europe...
Attachment 1 is supposed to be black to white squares in increasing gradient
Attachment 2 is supposed to be black into white, but on my display somehow a brown/purple tint is in between the black and white
Attachment 3 is the screensaver clock that is supposed to be black, but on my screen the top half is displayed with a purple hue
Here is an image of two Nokia N8's from someone experiencing the same display characteristics as my C7, and one with a good display. The problem can be seen better in these images:
Nokia N8 Display 1
Nokia N8 Display 2
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Jan 21, 2012
I would like to inform you that i have purchased nokia c6 from bangalore on dt 05/06/2011 but, now, since last 3-4 days i am facing problem with this devices. It's stop showing anything on it's screen but mobile is working. We can't see anything except black screen.And sometimes it's work properly and suddenly stop showing anything on it's screen. what happen to my new cell and what step i should take?
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Sep 18, 2011
I have same problem with my C7-00. It was working properly to display all caller id names those are stored with country code using + sign. I came from India to Singapore, changed my SIM, still it was working. After upgrading it with ANNA, it has stopped displaying names in calls, but works for SMS !!
There is no Duplication issue.
When I opened call with Nokia, surprisingly, I was told that this is a new issue they are having. But I am seeing so many people are struggling with it. I used *#7780# & *#7370#, but still same, problem is not resolved.
To c heck if it is subscriber issue, I put my SIM in another same model C7-00, which is still not upgraded with ANNA & there it works. Nokia supporter does not have solution to back to old software.
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May 21, 2012
Just bought a C3-00. It only has English, Franch and Spanish (in the phone language option). How to make it display and type Chinese? The C3-00 is S40 system, only can install JAVA Apps.
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Jun 10, 2010
I love my Nokia E52, but one of the main reasons I bought it (the combination of WiFi Wireless Lan support and fully integrated Voice over IP client) is not usable due to very laggy, unsteady WLAN connection (while having perfect signal strength - E52 shows 100% (same room)).Because of this I get choppy VoIP (cracks and interruptions up to several words in my VoIP conversations).
My E52:
Software version: 031.012
Modell: E52-1
Type: RM-469
This is not a problem of the VoIP Client, audio-codec, or SIP provider/internet connection.It is the Wireless Lan connection between my E52 and my Router. I tried 3 different access points, with and without wireless encryption, 802.11b (1M...11M data-rate) and 802.11g - problem always the same.
I can track it down by pinging my E52 (idle without any programs running) from my Linux box:
192.168.0.100 is the IP of my E52 assigned by DHCP.
1.) 64byte pings, once per second:
PING 192.168.0.100 (192.168.0.100) 56(84) bytes of data.
64 bytes from 192.168.0.100: icmp_seq=1 ttl=69 time=6.36 ms
64 bytes from 192.168.0.100: icmp_seq=2 ttl=69 time=57.9 ms
64 bytes from 192.168.0.100: icmp_seq=3 ttl=69 time=80.9 ms
64 bytes from 192.168.0.100: icmp_seq=4 ttl=69 time=203 ms
64 bytes from 192.168.0.100: icmp_seq=5 ttl=69 time=128 ms
64 bytes from 192.168.0.100: icmp_seq=6 ttl=69 time=50.0 ms
64 bytes from 192.168.0.100: icmp_seq=8 ttl=69 time=324 ms
64 bytes from 192.168.0.100: icmp_seq=9 ttl=69 time=79.7 ms
64 bytes from 192.168.0.100: icmp_seq=10 ttl=69 time=37.5 ms
64 bytes from 192.168.0.100: icmp_seq=11 ttl=69 time=60.0 ms
64byte pings using a good wireless 802.11g connection should be around 1ms and constant!!It's not because of bandwith limit of E52 wlan/cpu, because the higher ping times stay the same, even if I increase ping-packet-size 150x:
2.)10000byte pings (150x times bigger packages!), once per second [still ping times look quite similar]:
PING 192.168.0.100 (192.168.0.100) 10000(10028) bytes of data.
10008 bytes from 192.168.0.100: icmp_seq=1 ttl=69 time=175 ms
10008 bytes from 192.168.0.100: icmp_seq=2 ttl=69 time=89.8 ms
10008 bytes from 192.168.0.100: icmp_seq=3 ttl=69 time=115 ms
10008 bytes from 192.168.0.100: icmp_seq=4 ttl=69 time=234 ms
10008 bytes from 192.168.0.100: icmp_seq=5 ttl=69 time=153 ms
10008 bytes from 192.168.0.100: icmp_seq=6 ttl=69 time=83.7 ms
3.) Small 64byte pings, but now ten pings per second:
Now it gets even more strange:
# ping 192.168.0.100 -i 0.1
PING 192.168.0.100 (192.168.0.100) 56(84) bytes of data.
64 bytes from 192.168.0.100: icmp_seq=1 ttl=69 time=200 ms
64 bytes from 192.168.0.100: icmp_seq=2 ttl=69 time=95.0 ms
64 bytes from 192.168.0.100: icmp_seq=3 ttl=69 time=2.25 ms
64 bytes from 192.168.0.100: icmp_seq=4 ttl=69 time=5.93 ms
64 bytes from 192.168.0.100: icmp_seq=5 ttl=69 time=4.34 ms
64 bytes from 192.168.0.100: icmp_seq=6 ttl=69 time=8.45 ms
64 bytes from 192.168.0.100: icmp_seq=7 ttl=69 time=5.91 ms
64 bytes from 192.168.0.100: icmp_seq=8 ttl=69 time=2.69 ms
64 bytes from 192.168.0.100: icmp_seq=9 ttl=69 time=2.31 ms
64 bytes from 192.168.0.100: icmp_seq=10 ttl=69 time=5.90 ms
64 bytes from 192.168.0.100: icmp_seq=72 ttl=69 time=8.42 ms
64 bytes from 192.168.0.100: icmp_seq=73 ttl=69 time=7.25 ms
64 bytes from 192.168.0.100: icmp_seq=74 ttl=69 time=7.28 ms
64 bytes from 192.168.0.100: icmp_seq=75 ttl=69 time=7.25 ms
64 bytes from 192.168.0.100: icmp_seq=76 ttl=69 time=7.24 ms
64 bytes from 192.168.0.100: icmp_seq=77 ttl=69 time=7.92 ms
64 bytes from 192.168.0.100: icmp_seq=78 ttl=69 time=7.24 ms
64 bytes from 192.168.0.100: icmp_seq=79 ttl=69 time=8.69 ms
64 bytes from 192.168.0.100: icmp_seq=80 ttl=69 time=10.9 ms
64 bytes from 192.168.0.100: icmp_seq=81 ttl=69 time=10.6 ms
64 bytes from 192.168.0.100: icmp_seq=150 ttl=69 time=213 ms
64 bytes from 192.168.0.100: icmp_seq=151 ttl=69 time=105 ms
64 bytes from 192.168.0.100: icmp_seq=152 ttl=69 time=3.09 ms
64 bytes from 192.168.0.100: icmp_seq=153 ttl=69 time=2.23 ms
64 bytes from 192.168.0.100: icmp_seq=154 ttl=69 time=2.14 ms
64 bytes from 192.168.0.100: icmp_seq=155 ttl=69 time=3.78 ms
64 bytes from 192.168.0.100: icmp_seq=156 ttl=69 time=3.02 ms
64 bytes from 192.168.0.100: icmp_seq=157 ttl=69 time=5.48 ms
64 bytes from 192.168.0.100: icmp_seq=158 ttl=69 time=2.15 ms
64 bytes from 192.168.0.100: icmp_seq=159 ttl=69 time=2.13 ms
^C
--- 192.168.0.100 ping statistics ---
159 packets transmitted, 30 received, 81% packet loss, time 16866ms
rtt min/avg/max/mdev = 2.130/25.327/213.218/54.102 ms, pipe 2
Note: My Linux Ping Command doesn't say something like "Request timed out." for lost packets (like Windows Ping does). So if there is a jump from icmp_seq=81 to icmp_seq=150 it is because everything in between got lost.
You see, in 3.) it has the slow pings once in a while and in between almost normally fast pings, but suddenly a long lag of 6-7sec (this is deadly for voip) and then the circle repeats.Is my E52 wlan chip defect, or is this some kind of Power-Management system? How can I turn it off?I don't need a fast wlan connection on my E52. 1MBit/s is more than enough. But it has to be steady, without lags.
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Feb 20, 2010
I bought a Nokia 5230 in Jan this year. There was no issue for the first few days... Then suddenly it started restarting . Radomly. First when I enabled bluetooth. Then later on it would restart when I changed a setting like Home Screen Shortcuts or Personalised the General Profile ... etc. I am using a SanDisk MicroSD 4 GB card brand new clean formatted. I have only put in music from NokiaMusic and OVI store apps. It has nothing to do with software installed. There is some really wierd problem.
..So , I went to the Nokia Care store countless times, and they re-installed and updated the phone software and gave it to me.. still the same problem.. SO then they sent it to the Delhi Head Office and I got a replacement 5230 !!! And guess what still the same problem !!! Random restarts. I feel there is some issue with the phone software or firmware or there is some issue with the phone accessing its memory card , I dont know. I have the latest firmware update for this phone V12.0.089
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Oct 18, 2012
mobile display strip not working,how much should i pay to care centre
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I am having problem with the Hazel as I cant add more than 100 words while messaging and when I try to change the language to "simplified Chinese" the phone gets restart. The worse part is that the problem cant b solved by the service centre and my phone is lying with them from the last 10 days and ll b with them until they don't get any update, that means to an uncertain period.
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Apr 18, 2012
my c6-00 display light was gone.. and i did changed the display and again it happened? why is the reason?
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Mar 23, 2012
Have nokia C7, there is nothing showed on my screen when I get a call on my mobile(only sometimes not always). The touch screen does not work as I cannot see anything on the screen and the only option is with the hard keys to receive the calls.
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Dec 22, 2011
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Sep 3, 2012
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Oct 5, 2012
i have just purchased a C1-01. On the display I a large icon showing my battery life and signal, my network providor name, a really large time display and a slightly smaller date. I have tried to look under the date and time settings, but there is no option for hiding it. It's really annoying but I've no idea how to make it go away.
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Nov 21, 2010
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Jan 29, 2012
I'm using a Nokia C6-01 with Anna update. When i use my phone under sunlight it doesn't turn on the backlight automatically when I receive a call. So i cannot see the details of the caller such as who's calling... I have to toggle the keypad unlock key few times to see it.
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Jan 27, 2012
I got this phone for a relative and it arrived today. After setting it up, transferring contacts over and making it easy for her I'm stuck on this simple option. I've looked for over 30 minutes and searched all over using various keywords but I can't find a single answer. Where do you find the display timeout setting on this phone?! It defaults to something stupidly short like 10 seconds when it should be around 30 seconds at least. How fast do they think people read text messages? If I can't change this setting I don't think they'll want to keep the phone which is a shame as it looks quite nice in general.
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Jan 28, 2012
My 5 months old C7-00's black glossy panel around the display started fading. The color fading/colorless patches are becoming prominently visible nowadays. Can the panel be changed under warranty? I guess the fading is to be a manufacturing defect, as another extensively used 8 months old C7-00 of ours still look new. After using various Nokia phones for the past 11 years, for the first time I see a problem/defect in a Nokia phone.
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Aug 23, 2011
Just updated my C7 ( Anna 1/2 and 2/2 and I noticed annoying problem.When someone is calling me, display won't wakeup and I cant see who is calling.. Sometimes display works ok, sometimes it takes few seconds to wake and and sometimes it wont work at all.HELP NEEDED! Usually it wont wake up if it is in my pocket while ringing.
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Mar 24, 2011
have problem when u view lighter colored pictures like the sky or complete white screen then there are thin parallel lines passing across the screen. also the fone gets heated up alot while playing games/ surfing net and the battery drains out within 3 to 4 hrs. i hav updated my firmware over to air via gprs. my firmware is 013.016?
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Jul 22, 2012
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Aug 6, 2010
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Nov 23, 2010
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Nov 22, 2011
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Feb 4, 2010
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Aug 31, 2012
I am a long time Nokia user. My previous mobile phone was a model 3310 which I had from 2001 and it died only a few months ago. That phone served its primary function well - making and receiving phone calls. So I needed a new mobile. To my dismay it is almosty impossible to find a normal mobile phone which is just a phone. I selected the C5-00 5MP as it is closest to what I need (although it too is loaded with too much junk) and I wanted to stay with the Nokia brand.
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Dec 26, 2011
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