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casper27 is offline casper27
2010-03-25 , 11:22
Posts: 844 | Thanked: 521 times | Joined on Jan 2009 @ UK southampton
#1
Hi guys is there any way of checking if the cellular antenna is working?
The problem is basiccaly got up this morning and have no connection at all anywhere. My service provider has checked and everything is ok on that front.
I've tried Noobmonkeys health check app and it says
cell status - nsps no cover

Wifi and everything works.
I have tried uninstalling various apps but have not updated anything dodgy. Tried restart/reboot, Hard reset removing battery, unplugged sim and battery whilst pressing power key.

Basically im at a loss, I need a way of telling if the cellular antenna is actually working or not.
If all else fails i will give it a flash later.
 
Smooth-op is offline Smooth-op
2010-03-25 , 11:32
Posts: 78 | Thanked: 10 times | Joined on Feb 2010 @ Florence, Italy
#2
I had the same problem.....but after all my worries that it was the n900 that had gone wrong, it turned out to infact be my network antenna which was down in the area!! Even though they had assured me that it was working..........Have you got a different operator pre paid sim to try it out? Maybe beg a friend to lend you one fo a minute to verify ok...
 

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casper27's Avatar
casper27 is offline casper27
2010-03-25 , 12:17
Posts: 844 | Thanked: 521 times | Joined on Jan 2009 @ UK southampton
#3
Yeah just tried one and that did not work either. Cheers any way.
Its just puzzling me it was working last night and then nothing this morning.

Also tried
ifconfig phone0 down/up
When its down it shows the no sim card icon but when I bring it back up there is still no connection.
Anyone??
 
fabbro is offline fabbro
2010-10-31 , 13:38
Posts: 25 | Thanked: 8 times | Joined on Feb 2009 @ Venezia
#4
Same problem here.
Did you solved it?
 
tomchiverton is offline tomchiverton
2010-10-31 , 13:47
Posts: 291 | Thanked: 134 times | Joined on Dec 2009 @ North-west, UK
#5
Settings, Phone should attempt to connect to the network.
Also toggle 'network selection' to 'manual' and it should popup a choice of local providers if the basic radio is working.
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JonWW's Avatar
JonWW is offline JonWW
2010-10-31 , 14:15
Posts: 623 | Thanked: 289 times | Joined on Jan 2010 @ UK
#6
Try in XTerm type:
Code:
dbus-send --system --print-reply --dest=com.nokia.phone.net /com/nokia/phone/net Phone.Net.get_signal_strength
DBUS reply format
  • DBUS_TYPE_BYTE &percent
  • DBUS_TYPE_BYTE &dbm
  • DBUS_TYPE_UINT32 &unknown
Percent and dbm should not be 0

Also try typing:
Code:
dbus-send --system --print-reply --type=method_call --dest=com.nokia.phone.net /com/nokia/phone/net Phone.Net.get_registration_status
DBUS reply format
  • DBUS_TYPE_BYTE &status
  • DBUS_TYPE_UINT16 &lac
  • DBUS_TYPE_UINT32 &cell_id
  • DBUS_TYPE_UINT32 &operator_code
  • DBUS_TYPE_UINT32 &country_code
  • DBUS_TYPE_BYTE &network_type
  • DBUS_TYPE_BYTE &supported_services
  • DBUS_TYPE_INT32 &net_err
Status codes that I have figured out are:
  • 0 - Normal mode (Should be this when connected)
  • 3 - No SIM card found
  • 4 - Cellular modem powering down
  • 8 - Cellular modem switched off
  • 10 - No signal
  • 11 - SIM registration failed
  • Anything else - As yet unknown
There are probably other Status codes that I don't know about.
 
tomchiverton is offline tomchiverton
2010-10-31 , 14:42
Posts: 291 | Thanked: 134 times | Joined on Dec 2009 @ North-west, UK
#7
For comparison, I get :

byte 33
byte 97
int32 0

on my working PR1.2 phone
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