GSM losing a network each 20-30 second

George Eliozov nerozero at itcs.ge
Mon Mar 17 16:37:31 CET 2008


It does not help :) Even with terminal commands, Powering and unpowering,
GSM modem absolutely not responding. Yesterday I did flash my neo with
QTopia image/kernel
(http://www.qtopia.net/modules/mydownloads/singlefile.php?lid=50) and it
works almost fine! :) But on battery time is only 5-7 hours (Not
suspending)... If suspend mode enabled, to re-enable GSM after resume I have
to restart neo, no other action can back GSM to work. 

Also when I standing far away from GSM antenna - accumulator (or something
else) become worm, I can sense it even by touching LCD or Neo back cover! Is
it normal ? :) 

-----Original Message-----
From: Erin Yueh [mailto:erin_yueh at openmoko.com] 
Sent: Monday, March 17, 2008 10:10 AM
To: George Eliozov
Cc: device-owners at lists.openmoko.org
Subject: Re: GSM losing a network each 20-30 second

Hi George,

Thanks a lot for providing the network information with us. :) If you'd 
like to re-register to GSM network, you may either from GUI or terminal 
command as below:

1. GUI: click the GSM signal antenna indicator from main screen, choose 
Power-Up GSM antenna, and then choose Power-Down GSM antenna.

2. terminal: http://wiki.openmoko.org/wiki/Gsmd#Usage_of_shell_mode
 > src/util/libgsmd-tool -m shell
 > o
 > O

Cheers,
Erin

George Eliozov wrote:
> Yes I can, I live in Tbilisi, Georgia (Former Soviet Union), my mobile
phone
> service provider is Geocell. About one week ago, as well I receive Neo I
put
> inside my old SIM card, and I have that problem with reconnecting to GSM
> network. First of all I thought that might be a problem of SIM card, and
two
> days ago I did change my old card with new one (with same number), but
> problem did not solved. Also I notice that in the evening hours (after
> 10..11 PM) device working quite stable. Maybe it because of a lot of
> connections to a GSM station.
> 	Also I want to try other provider SIM cards.
> 
> If you need some extra information - please feel free to ask me and I will
> try to do all in my power ;) 
> 
> And I want ask again, what about restoring GSM modem functionality after
> hanging, is it possible to do it without restarting whole device? (Power
> Off/On does not help)
> 
> -----Original Message-----
> From: device-owners-bounces at lists.openmoko.org
> [mailto:device-owners-bounces at lists.openmoko.org] On Behalf Of Michael
> Shiloh
> Sent: Friday, March 14, 2008 6:29 PM
> To: George Eliozov
> Cc: device-owners at lists.openmoko.org
> Subject: Re: GSM losing a network each 20-30 second
> 
> George, can you tell me what kind of SIM card are you using? Did it come 
> with a phone or some other way, like pre-paid? Also, where are you
located?
> 
> This might help us figure out if it's the same problem.
> 
> Thanks,
> Michael
> 
> George Eliozov wrote:
>> Very sad, but now I know how to view gsmd status, thanks!
>>
>> -----Original Message-----
>> From: Wolfgang Spraul [mailto:wolfgang at openmoko.com] 
>> Sent: Friday, March 14, 2008 4:15 PM
>> To: George Eliozov; Sean Chiang; Graeme Gregory
>> Cc: device-owners at lists.openmoko.org
>> Subject: Re: GSM losing a network each 20-30 second
>>
>> This sounds like
>>
>> gsm modem oscillating between registrated / not-registrated
>> http://bugzilla.openmoko.org/cgi-bin/bugzilla/show_bug.cgi?id=1024
>>
>> Wolfgang
>>
>> On Mar 14, 2008, at 8:04 PM, George Eliozov wrote:
>>
>>> Approximately each 30 second GSM modem losing a network and trying to
>>> reconnect again.
>>>
>>> Even if GSM is connected to network, almost 80% of all calls fails.  
>>> The
>>> reason - "The phone is turned off or not in coverage area at the  
>>> moment".
>>> Immediately after that kind of calls neo trying to reconnect, but not
>>> always.
>>>
>>> Sometimes modem is stop responding at all, if I try to dial a  
>>> number, device
>>> shows the dialing progress, but no actually connected. How to re- 
>>> enable GSM
>>> modem or view the reason of that kind of problems?
>>>
>>> Where can I found a log or how can I view some debug information on  
>>> Neo1973?
>>>
>>> Flash: 2008.02.28
>>>
>>>
>>> Thanks.
>>> _____________
>>>
>>>
>>>
>>
>>
> 
> 
> 





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