network registration from NEO! please help!

Michael Shiloh michael at
Mon Mar 17 18:15:59 CET 2008


Thanks for kicking this off. So far, I'm the only one experiencing this 
problem. I'd like to find out if there is some invisible Faraday cage 
that moves with me, or if it a larger problem.

In general, cross-posting is not useful. After this email, let's 
restrict this discussion to the devel list, although anyone interested 
is welcome to join, whether a developer or not.

I'd like to add another type of question:

How did you purchase your SIM card? For instance, did it come with an 
AT&T provided cellphone, or was it a card-only option like prepaid? Did 
you buy it at an AT&T store or other?

And, just to test one of my theories, did it come with an AT&T iPhone?

Perhaps also, when did you buy it? One theory is that this depends on 
when you purchased your SIM card.

I saw in later email that someone set up a wiki page. I will report my 
experience for my 3 SIM Cards now.

Erin Yueh wrote:
> Hi List,
> We'd like to ask your kindly helps on network registration by using your 
> NEO devices. Particularly, the network from T-Mobile in UK, AT&T in USA, 
> and Vodafone in Germany, since we've heard some problems about network 
> registration. It's difficult to camp the network by using some specific 
> SIM cards. If you are willing to update your network status with us, we 
> really appreciate from your works. Thanks a lot! :)
> Our questions as below:
> 1. What NEO device you are using? GTA01 or GTA02
> 2. Where is your location and what is your network provider? eg. 
> T-Mobile, San Francisco in USA
> 3. When you boot the NEO, how long it takes to register the network? eg. 
> in normal case, it should be able to register to a network in 1~2 
> minutes immediately.
> 4. What is your GSM firmware version? you can get this number by an AT 
> command. Using SSH to your NEO, then type this command:
> root at fic-gta02:~# libgsmd-tool -m atcmd
> libgsm-tool - (C) 2006-2007 by Harald Welte and OpenMoko, Inc.
> This program is Free Software and has ABSOLUTELY NO WARRANTY
> gsm_ac_gp_fd_pu_em_cph_ds_vc_cal35_ri_36_amd8_ts0-Moko6"'
> 5. What is your IMEI code? by this AT command like previous steps.
> RSTR=`+CGSN: 000000000000000'
> 6. if NEO takes over 3 minutes to register to the network or it just 
> re-register to the network again and again. Please attach your gsm log 
> file ('/tmp/gsm.log') to our bugzilla, we already created a bug for this 
> issue.
> PS. Check our wiki site, if you have problems on these stuff.
> How to use SSH on NEO:
> How to use libgsmd-tool:
> Best Regards,
> Erin

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