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-   Nokia N900 (https://talk.maemo.org/forumdisplay.php?f=44)
-   -   all telephony functions ... are disabled due to a communication error - anyone else experiencing this? (https://talk.maemo.org/showthread.php?t=66870)

niko3d 2011-04-29 22:01
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
Quote:
Originally Posted by Sly21 (Post 984344)
had the same problem a few weeks ago. Took it back to carphone warehouse for repair and they reflashed it. Got it back and it lasted 10 minutes before giving the same message. Its not sim related as I tried 2 different network sim cards and got the same problem. As it failed again within 30 days of repair I got a refurbished phone. Works fine now. :cool:
I've gave mine back to car phone warehouse the other day too. I miss my n900 darn it. Thing is they will do the same thing with mine even though I flashed it already and it was still reporting the same error, like they can flash it differently to us. They want to send it to there own team to get flashed and pretend its fixed without testing properly rather then send it directly to Nokia. So it will end up being 4 weeks waiting I bet. Good luck to anyone with this problem..... :)

ndi 2011-04-30 22:23
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
Quote:
Originally Posted by HowlingWolf (Post 997187)
did anyone here tried to replace pcb board on their own - and were there any results?

Thx
Where would one get a new N900 PCB?

HowlingWolf 2011-04-30 23:17
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
Here for example

http://www.ownta.com/compatible-noki...eparts-en.html

but there are more places if you google for it

ndi 2011-04-30 23:23
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
Cool, but AFAICT that requires de-soldering and re-soldering of SMD components? I was thinking complete board :) You know, screwdriver-level job, not soldering bath job.

HowlingWolf 2011-04-30 23:46
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
Quote:
Originally Posted by ndi (Post 998044)
Cool, but AFAICT that requires de-soldering and re-soldering of SMD components? I was thinking complete board :) You know, screwdriver-level job, not soldering bath job.
I dont think that we can get them assembled the only chance is to get n900 with a broken screen maybe.
We can get the gsm antenna though - maybe that will fix a problem?

http://www.klc.fi/fin/tuotteet/Nokia-Varaosat-N900

In the end that solution is much simple (couple of screws) ;)

ndi 2011-05-01 22:01
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
Unlikely. The error from the antenna would be loss of signal. My syslog shows the system is unable to communicate with modem, which means either power or comm lines are broken and gap when bent.

My phone can produce the telephony error on demand, by clamping one or both ends of the phone (the black areas, not covered by the screen. With screen popped, squeezing the shift-fn area gets the error. Also, if one removed the battery partially and squeezes the area under the battery, there's a funny "unstuck" noise and I get the issue. I can no longer carry the phone in any pocket that generates compression (that is, all pants pockets).

Worst part is, it sometimes fails silently. Signal is good, all is well, but can't call or get texts.

teethgrinder 2011-05-01 22:28
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
I ended up with a piece of paper folded a couple of times placed under the battery where the SIM card is. Seems to work :)

Robin

ndi 2011-05-02 09:48
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
You hve a different issue. Your sim moves. I have a cracked board. Or a short, maybe.

HowlingWolf 2011-05-02 10:18
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
Quote:
Originally Posted by ndi (Post 998780)
You hve a different issue. Your sim moves. I have a cracked board. Or a short, maybe.
Me too it seems.
I'll confirm on the weekend - i will disassembled my phone and check the board.
:eek:

nman 2011-05-02 21:28
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
Had same issue. Reflash didn't help.
Oddly enough, the issue always went away while connected to a wifi network.

Luckily Newegg gave me a refund. Unluckily, the n950 isn't out yet :(

shadowjk 2011-05-03 01:15
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
Actually for me it started like for "teethgrinder", padding with paper helped at first. Then it progressed to "ndi"'s stage, with the difference that pinching j and k lightly was my test case.

For me too, there were communications errors in dmesg.

ndi 2011-05-03 09:32
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
Huh, so it's not a localized weakness, it depends on where you sit on it :)

For me, JK area is rather safe. Mine require the leaste effort on W, S,D maybe up to F. Havinf the cover and screen closed is worse because it widens the area where pressing kills it.

I wish it would complain. Maybe we could have it complain? Something along the lines of cat syslog | grep modem error?

ETA:
Code:
Nokia-N900:/var/log# cat syslog.old | grep "modem connection cannot be established, giving up"
Apr 29 17:23:41 Nokia-N900 cellular: ssc[1014]: modem connection cannot be established, giving up
Nokia-N900:/var/log#
I could use that in a queen beecon, but that is the extent of my skill. I should get it to return an error when string isn't empty, I'm sure there is a way. Until then, I could pass the resut to something that fails, so the widget turns red if there has been a failure.

Note I used an old log.

ETA2:
I used awk to have it return the failure date and time (first failure). I also added a reset button.

Code:
cat /var/log/syslog | grep "modem connection cannot be established, giving up" | awk -F "\ " '{print $3,$2"th"}'
The reset button resets syslog:

Code:
Nokia-N900:/var/log# cat /bin/resys
killall klogd
killall syslogd
rm /var/log/syslog
klogd
syslogd
Nokia-N900:/var/log#
Above resys(.sh) requires root for killall. Personally, I'm tired of rootsh so I used sudoers. There you go. It ain't pretty, but it works.

pernacentus 2011-05-04 18:48
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
Same problem here. Sent the phone to Nokia Care Point. Let's see what happens!

Sly21 2011-05-04 19:37
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
Quote:
Originally Posted by niko3d (Post 997598)
I've gave mine back to car phone warehouse the other day too. I miss my n900 darn it. Thing is they will do the same thing with mine even though I flashed it already and it was still reporting the same error, like they can flash it differently to us. They want to send it to there own team to get flashed and pretend its fixed without testing properly rather then send it directly to Nokia. So it will end up being 4 weeks waiting I bet. Good luck to anyone with this problem..... :)
Mine was back in 10 days. A long time to have to use my old N96 which I thought was good until I got my N900. Nothing else around like it. Only good thing about carphone warehouse NOT fixing the problem is that you will be able to get a refurbished one which will cure the problem. Only downside is that it came with original software so took a while to update the software and restore it. Got one from them in 2 days. When the fault happened again I left the message on the screen and took it back so they could not argue. :D

niko3d 2011-05-06 21:17
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
So i called carphone warehouse to see what was going on with my "repair" as the website tracking system was down. Turns it out they wont repair or even attempt to...... Because of water damage!!!!!!!!! and its never been anywhere near any water, like most of the guys here that n900 is treated with great care at all times!
I dont get it, how the heck can I have water damage. Maybe its the soggy air in glasgow. Im sure as hell not very happy, Im guessing nokia would do the same.......... Thankfully i should be covered by insurance. Just means paying the excess and waiting ages for a fixed/replacement.
Sigh....

HowlingWolf 2011-05-08 00:47
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
I've opened mine yesterday, cleaned the pcb board, adjusted the pins connecting the antennas to the board... and nothin.
It seem the solution is pcb board replacing or a new phone... :(

J4ZZ 2011-05-08 12:35
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
Had this message 2 days ago multiple times. But now everything seems to be back to normal until now. No errors and no disconnects. But I'm still afraid of the error coming back.

PHILzstift 2011-05-09 06:43
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
So ... I got this thing about 2 weeks ago, after using my device for about 4 month. Since then I was looking for some resolution for this problem but found nothing but sending it back to Nokia in hope of getting a new one. (I tried to adjust the pins for sim card and antenna, reflashing but nothing helps - seems to be a pure hardware issue)
But ... how many of them does Nokia still have? :confused:
And, does anyone know of anyone using it for more than half a year without any problems?
Otherwise I'll try to get a n ew (refurbished) one and sell ist and get back to my ... ahh ... whatever I can make calls with ...

... just found my little 8210 :cool:

thej80 2011-05-10 07:15
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
got mine back from repair yesterday.. couple of hours of use, and th same problem occured.. taking it back today. all they did was flash the firmware and emmc.. so pissed right now. two weeks without my N900.. and i think its going to take more this time..

PMaff 2011-05-10 07:47
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
Quote:
Originally Posted by egoshin (Post 898278)
Well, I have a similar problem in SF Bay Area with T-Mobile.
It doesn't give me any message but phone communication (3G + voice)
disappears, while WiFi and BT is active.

All things point to new hi-speed T-Mobile 3G+, it was introduced in SF Bay Area last week.
There seems to be a history of "data connection lost" and T-Mobile
and there are many postings like this:
http://www.htchd2forum.com/general-h...lease-help!!!/

Seems to be a problem of the carrier.

PMaff 2011-05-10 07:55
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
Quote:
Originally Posted by teethgrinder (Post 989811)
Same here...might try a reflash :(
So what did Duffer and teethgrinder do if it is not a T-Mobile
problem?
There must be a common root cause.

PHILzstift 2011-05-10 18:03
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
... brought mine to the service center today ... now counting days ...

I feel so naked without it :(

niko3d 2011-05-11 13:40
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
Finally got my phone back from car phone warehouse.

They supplied a photo of one of the metal covers having slight corrosion saying that this was cause by either going into a cold to hot environment ( umm i live in scotland....... and we had a -12 degree winter like i can help that)
Using the phone in a damp place or using it in the rain or simply condensation.. UMMM okay.... How lame. Anyway my insurance said they would cover it or replace it completely.

Does anyone know if n900s are still available through insurance?
i know that people on vodaphone had trouble getting a replacement n900. But does that apply to all insurance companies?

If so i guess I will end up with a htc desire z or hd or something.... :¬(

markarman 2011-05-14 08:06
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
Hi,

Does anyone have a solution?

This started with my phone at the beginning of May 2011.

All the other posts are stating this started about 2 weeks ago.

I wonder if this started for everyone at the same time?

It can't be the carriers fault because we're all on different carriers and I have tried different sim cards in the phone and got the same message. Besides even with no sim in the phone there is still a connection fault resulting in no IMEI.

If i was a conspiracy theorist I would say it's a nokia thing and they have disabled all of our phones remotely somehow which could be why everyone's problems started at the same time. some kind of pre-set expiry date built in at manufacture.

When did your phone start displaying this message?

HowlingWolf 2011-05-14 08:39
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
Quote:
Originally Posted by markarman (Post 1005980)
Hi,

Does anyone have a solution?

This started with my phone at the beginning of May 2011.

All the other posts are stating this started about 2 weeks ago.

I wonder if this started for everyone at the same time?

It can't be the carriers fault because we're all on different carriers and I have tried different sim cards in the phone and got the same message. Besides even with no sim in the phone there is still a connection fault resulting in no IMEI.

If i was a conspiracy theorist I would say it's a nokia thing and they have disabled all of our phones remotely somehow which could be why everyone's problems started at the same time. some kind of pre-set expiry date built in at manufacture.

When did your phone start displaying this message?
Well based on what I could read the problem is with the motherboard - most likely the humidity caused the rusting on the pcb.
I could say that is most likely problem with mine as i was carrying mine in pockets while doing sport. So I am left with opening mine again and rechecking the psb under the protective casing.

Good luck to everyone with the same problem.

dack001 2011-05-14 09:40
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
Strange.
I had this problems a few times (very seldom, like 5-6 times a year), but it always fixed itself after a few minutes or a reboot.

niko3d 2011-05-15 07:50
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
Yeah that would be the issue with alarmed I guess. So software rather then hardware.

charbar 2011-05-15 08:57
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
i dont think there's a fix :( i eventually ended up buying a new one from amazon. its def not a tmobile US problem

Duffer 2011-05-16 08:41
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
I was on O2 when my problem occurred. They sent me an N8 as a replacement! Complaint plus a few E-mails and I eventually got a new N900.

niko3d 2011-05-16 09:49
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
Bloody better not get an n8 from my insurance..... even worse an n97.... Im gonna fight for one of these htc Desire z, desire hd, dell streak if the n900 aint an option or cant be repaired.

rontz 2011-05-16 10:28
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
Same problem , started in the end of April.
Was running older Maemo release when problems started.
Upgraded to latest rel but issue remained.

Phone was two weeks in repair and they could not replicate the issue. Phone was flashed there.

Tried different SIM cards but issue still remains.

Today gave phone to alternative repair shop.
Interestingly customer right before me had exactly the same issue with n900.

Only thing i noticed during SIM problem are acwake events in dmesg. Not sure what they stand for.
[42212.271911] McSAAB: ACWAKE DOWN
[42212.271972] McSAAB: ACWAKE UP
[42212.272033] McSAAB: WAKELINES TEST OK

pernacentus 2011-05-17 19:50
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
After 2 weeks I got my N900 back from repair. They changed it with a new one. Evidently the only solutions, as some users said, are a new phone or a new PCB board.

ndi 2011-05-17 21:06
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
I'm planning a send to base as well. This is becoming ridiculous. Today I spent 15 minutes fiddling with it.

Did any of you play for the fix?

rontz 2011-05-18 00:05
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
Got phone back second time now.
They discovered some moisture damage as usually and just did some chemical cleaning. Phone worked for 1h and then failed again.
Now i probably need just to convince them to change PCB and pay for it.
Grr frustrating , already almost 1month using some crappy alternative phone.

niko3d 2011-05-19 14:36
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
Well, im hoping that my insurance company dont send it back "fixed" as other people have had done.
Its just a waste of time and postage..... Anyway i checked with them already they dont have replacement n900s :¬( and from the sounds of it thats the only fix.

Anyone know the deal with insurance replacement? Mine states, a similar spec phone of the ORIGINAL value. Thats like £500, i can get a dual core phone at that price.
The spec thing is confusing since theres not many phones as well specd overall as the n900, they have faster processors and more ram but the lack everywhere else. Nothing really compares.

Even camera quality is better on the n900 then most of the other 5 and 8megapixel camera phones. Not only that, the video quality is better on the n900 then on the hd video recording of say the HTCs. for example the htc desire is blurring, laggy and distorted when recording.

Anyway im interested to hear what others insurance replacement experience has been?

AndiThebest 2011-05-22 17:42
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
I have the same error now :( after a reboot, it works again..for a few minutes.
could it be that cssu is a problem?

EDIT:
I have recognized.. when i shake my n900, sim communication works again.. for a few minutes

niko3d 2011-05-26 11:57
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
Hmmm my insurance company repaired my phone and are sending it back :¬D now.... whats the betting all they did was flash it, rebooted once it was fine. Just as i did, but within 10 minutes it gave the same error. Im guessing thats whats going to happen again.

Fingers crossed they actually fixed it.
Cant to get my n900 back :¬D

niko3d 2011-05-27 11:20
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
Amazingly they really did fix it!!! cant believe it :¬) No idea what they did. Anyway im chuffed :¬D Would have been nice if they told me what was the problem and how they resolved it so i could tell you guys.

PHILzstift 2011-05-27 11:26
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
Maybe you could ask them? :-)

Looking forward to read the answer ...

niko3d 2011-05-27 12:12
Re: all telephony functions ... are disabled due to a communication error - anyone else experiencing this?
 
They have no information on what was carried out but they do know they replaced a part. They said they will ask the repair shop to send out a letter with more details, but cant guarantee anything :¬/ Hopefully they will send one out.


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