Problem with connecting to network

[Labs]

Hello,

3GPP 24.008 subclause 8.5 has an explanation for that message.

Sorry but I don't have any other ideas what can be wrong with your Nokia 
3310.

R.


On 05/11/2014 07:13 PM, R M wrote:
> Hi,
>
> Thanks for your assistance.
>
> So far from my analysis, this is what I have got:
>
> After the BTS sends Location Update Accept message to the MS,  the MS
> responds with a MM status message saying
> "Invalid Mandatory Information".
>
> In a working case, the MS should respond with a TMSI Reallocation
> Complete message which is not happening.
>
>  From here, I don't know how to proceed further.
>
> Thanks and Regards,
> RM
>
>
> On Sat, May 10, 2014 at 4:13 PM, Labs <rp.labs at gmx.ch
> <mailto:rp.labs at gmx.ch>> wrote:
>
>     Hello,
>
>     In this case it can be some hardware issue with your phone.
>     If your phone was pre 4.24 software version and it was upgraded it
>     is possible to have a corrupted EEPROM and you need to use some
>     software tools to repair it.
>
>     If that is not the case you can try to identify what hardware
>     component is broken by manually pickup a 900 or 1800 operator and
>     check it if it works. If one is working and one not this means your
>     duplexer has issues and needs to be replaced. Other components that
>     might have issues are the PA and COBBA ICs. Considering that a 3310
>     you can get for free now it's not worth it to repair it.
>
>     Regards,
>     R.
>
>
>     On 05/10/2014 05:21 PM, R M wrote:
>
>         Hi,
>
>         The phone is not locked to any network. Its an unlocked phone. I
>         have
>         confirmed that.
>
>         Thanks and Regards,
>         RM
>
>
>         On Sat, May 10, 2014 at 7:25 AM, Labs <rp.labs at gmx.ch
>         <mailto:rp.labs at gmx.ch>
>         <mailto:rp.labs at gmx.ch <mailto:rp.labs at gmx.ch>>> wrote:
>
>
>
>              On 05/10/2014 12:51 PM, R M wrote:
>
>                  Hi,
>
>                  I have recently purchased a SIM card. When I use the SIM in
>                  Nokia 3310,
>                  and try to manually select a particular cell, it says
>         no access. SIM
>                  belongs to the same network.
>
>
>              Looks like your 3310 has a network lock. Are you sure that your
>              phone is unlocked? You can test it with 2 different SIM
>         cards for
>              real networks and confirm that it is OK. DCT3 phones can be
>         easily
>              unlocked via IMEI.
>
>              Regards,
>              R.
>
>
>