Openmoko Bug #666: 3G SIM capability
Openmoko Public Trac
bugs at docs.openmoko.org
Thu Jul 31 23:05:05 CEST 2008
#666: 3G SIM capability
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Reporter: steven.demetrius at fiwwi.com | Owner: michael
Type: defect | Status: new
Priority: highest | Milestone:
Component: GSM Modem | Version: unspecified
Severity: critical | Resolution:
Keywords: SIM att 7300g 71234 4022 | Blocking:
Blockedby: |
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Changes (by budfive):
* keywords: SIM att 7300g => SIM att 7300g 71234 4022
Comment:
I have a 71234(O)/4022. This is the only non-ancient SIM card that works
at all on the AT&T network in the USA. The network registration is spotty.
At times the phone registers quickly at boot, at other times it doesn't at
all. Sometimes a reboot makes it register. This is all without touching
the SIM. This instability, in addition to the fact that the pins impact
dead-center on the pads of the SIM makes me think that the wiggling of the
SIM is a red herring. I'm including several runs of the diagnostic script.
These were done one right after another, without moving or touching the
SIM. After the first boot, the FR said "Registering..." the whole time,
even though the logs indicate that registration was acquired at one point.
Then I reboot, and the FR registered successfully. Several noteworthy
points are that once registered, the logs indicate that the phone kept
changing the network cell it was connected to. Also, one of the commands
generates a number very similar but not exactly equal to the code of my
SIM (something like 7 digits in a row match). I don't know if this is
supposed to match my SIM code exactly or not.
Logs in 71234O4022.log.tgz
country: USA
carrier: AT&T (bigger of the 2 GSM carriers in the USA. No SIM cards < 5
years old work
consistently)
age: new
freq: 850
--
Ticket URL: <https://docs.openmoko.org/trac/ticket/666#comment:64>
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