MC55i-W firmware upgrade | Telit Cinterion IoT Developer Community
March 19, 2020 - 11:27am, 7205 views
Hi, where can I download the Windows Executable to upgrade my MC55i-W modules to version v01301c ?
I am starting from version v01301.
Thank you
Hello,
You have probably the latest firmware available. You can check the detailed version with 'ATI1' command.
v01301c probably refers to document version.
Best regards,
Bartłomiej
Thank you,
detailed version provided by command ATI1 is:
Cinterion
MC55i-W
REVISION 01.301
A-REVISION 01.000.16
Is this the latest version?
Hello,
This is the latest firmware available.
Regards,
Bartłomiej
So, can you confirm that 01.301c is just a document revision and NOT a firmware release?
Since the SIM Application Toolkit is reported as different
from version 01.301 ("Supports SAT class 3, GSM 11.14 Release 99, support of letter class c")
to version 01.301c ("Supports SAT class 3, 3GPP TS 31.11 Release 99. Supports letter class c"),
and we are experiencing several problems with many SIM cards (SIM not recognized, or inability to successfully establish connection to the GPRS network) with the reported version 01.301 / 01.000.16
Thank you very much.
Hello,
There are no letters in firmware revisions - there is only 01.301 without letters and then different A-revisions. This c means newer document version.
As for the problems you mentioned each case is different and may require some technical investigation.
This module is quite old and no longer developed.
Regards,
Bartłomiej
Hi,
sorry for coming back to this problem:
- you told that there is further investigation which we should conduct; can you detail this?
- just to explain you our critical situation: we need to quickly solve this problem because we have several thousands devices installed everywhere, and hundreds of new devices to install, and when we need to change the SIM or install a new one we incur in severe damages due to this Gemalto undocumented bug;
- since this happened with many batches of SIM cards of different telco Operators, we kindly to verify whether your Company is aware of such bug.
Thank you!
Hello,
There may be different problems with different SIMs - that's why I've written that a separate technical investigation might be needed for each case.
I think that the problem might be that this module is relatively old and it may not work correctly with some new SIM cards.
It is possible that the SIM card does not support 2G but only 3G and 4G. Or it could be a SIM-IO communication issue, maybe a timing issue - new SIMs may not work with an old wireless module such as MC55i-W which was specified and released before such high speed SIM interfaces where established in the market.
Whatever the reasons is, it could be necessary to trace SIM interface to possibly see more. Anyway it might be not trivial to find the root cause, so I suggest you to report this to Gemalto support directly (if you have access) or via your local technical sales or distributor so that it could be investigated more deeply.
Best regards,
Bartłomiej
Hi CARLOVENTI
Did you find the root cause for your SIM/GPRS connection problem?
We are experiencing something similar. We have lost about 3000 units that have stopped making GPRS connections from one day to the next.
Regards
/Johan
Hello,
If the SIM cards were not replaced and anything else changed on the modules side maybe something was changed in the network or on the operator's side, the SIMs were remotely updated by the operator.
Regards,
Bartłomiej
Nothing on the units has changed. Been up and running for 2-5 years(6000 units).
Made some test and found out that it now can take up to 14 minutes to get GPRS registered to the network(CGREG? =Roaming). So our sw has timed out long before that, and disconnected.
Yes something must have changed in the Network. The network operator denies that there has been any network malfunction or that they have done/changed anything.
Regards
/J
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