From None Mon Jan  3 10:08:10 2022
From: None
To: baseband-devel@lists.osmocom.org
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Date: Mon, 03 Jan 2022 10:08:10 +0000
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Thanks and Regards,
RM


On Sat, May 10, 2014 at 4:13 PM, Labs <rp.labs(a)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(a)gmx.ch
>> <mailto:rp.labs(a)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.
>>
>>
>>

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<div dir=3D3D"ltr">Hi,<div><br></div><div>Thanks for your assistance.<div sty=
=3D
le><br></div><div style>So far from my analysis, this is what I have got:</=3D
div><div style><br></div><div style>After the BTS sends Location Update Acc=3D
ept message to the MS, =3DC2=3DA0the MS responds with a MM status message say=
in=3D
g=3DC2=3DA0</div>
<div style>&quot;Invalid Mandatory Information&quot;.</div><div style><br><=3D
/div><div style>In a working case, the MS should respond with a TMSI Reallo=3D
cation Complete message which is not happening.</div></div><div style><br>
</div><div style>From here, I don&#39;t know how to proceed further.</div><=3D
div style><br></div><div style>Thanks and Regards,</div><div style>RM</div>=3D
</div><div class=3D3D"gmail_extra"><br><br><div class=3D3D"gmail_quote">On Sa=
t,=3D
 May 10, 2014 at 4:13 PM, Labs <span dir=3D3D"ltr">&lt;<a href=3D3D"mailto:rp=
.l=3D
abs(a)gmx.ch" target=3D3D"_blank">rp.labs(a)gmx.ch</a>&gt;</span> wrote:<br>
<blockquote class=3D3D"gmail_quote" style=3D3D"margin:0 0 0 .8ex;border-left:=
1p=3D
x #ccc solid;padding-left:1ex">Hello,<br>
<br>
In this case it can be some hardware issue with your phone.<br>
If your phone was pre 4.24 software version and it was upgraded it is possi=3D
ble to have a corrupted EEPROM and you need to use some software tools to r=3D
epair it.<br>
<br>
If that is not the case you can try to identify what hardware component is =3D
broken by manually pickup a 900 or 1800 operator and check it if it works. =3D
If one is working and one not this means your duplexer has issues and needs=3D
 to be replaced. Other components that might have issues are the PA and COB=3D
BA ICs. Considering that a 3310 you can get for free now it&#39;s not worth=3D
 it to repair it.<br>

<br>
Regards,<br>
R.<div class=3D3D""><br>
<br>
On 05/10/2014 05:21 PM, R M wrote:<br>
</div><blockquote class=3D3D"gmail_quote" style=3D3D"margin:0 0 0 .8ex;border=
-l=3D
eft:1px #ccc solid;padding-left:1ex">
Hi,<br>
<br><div class=3D3D"">
The phone is not locked to any network. Its an unlocked phone. I have<br>
confirmed that.<br>
<br>
Thanks and Regards,<br>
RM<br>
<br>
<br>
On Sat, May 10, 2014 at 7:25 AM, Labs &lt;<a href=3D3D"mailto:rp.labs(a)gmx.c=
h"=3D
 target=3D3D"_blank">rp.labs(a)gmx.ch</a><br></div><div class=3D3D"">
&lt;mailto:<a href=3D3D"mailto:rp.labs(a)gmx.ch" target=3D3D"_blank">rp.labs(=
a)gmx.=3D
ch</a>&gt;&gt; wrote:<br>
<br>
<br>
<br>
=3DC2=3DA0 =3DC2=3DA0 On 05/10/2014 12:51 PM, R M wrote:<br>
<br>
=3DC2=3DA0 =3DC2=3DA0 =3DC2=3DA0 =3DC2=3DA0 Hi,<br>
<br>
=3DC2=3DA0 =3DC2=3DA0 =3DC2=3DA0 =3DC2=3DA0 I have recently purchased a SIM c=
ard. When I us=3D
e the SIM in<br>
=3DC2=3DA0 =3DC2=3DA0 =3DC2=3DA0 =3DC2=3DA0 Nokia 3310,<br>
=3DC2=3DA0 =3DC2=3DA0 =3DC2=3DA0 =3DC2=3DA0 and try to manually select a part=
icular cell, i=3D
t says no access. SIM<br>
=3DC2=3DA0 =3DC2=3DA0 =3DC2=3DA0 =3DC2=3DA0 belongs to the same network.<br>
<br>
<br>
=3DC2=3DA0 =3DC2=3DA0 Looks like your 3310 has a network lock. Are you sure t=
hat yo=3D
ur<br>
=3DC2=3DA0 =3DC2=3DA0 phone is unlocked? You can test it with 2 different SIM=
 cards=3D
 for<br>
=3DC2=3DA0 =3DC2=3DA0 real networks and confirm that it is OK. DCT3 phones ca=
n be e=3D
asily<br>
=3DC2=3DA0 =3DC2=3DA0 unlocked via IMEI.<br>
<br>
=3DC2=3DA0 =3DC2=3DA0 Regards,<br>
=3DC2=3DA0 =3DC2=3DA0 R.<br>
<br>
<br>
</div></blockquote>
</blockquote></div><br></div>

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