LTE modem firmware release for Cat-M1 5.2-48829

[peterp]

Dear Pycom community!

We're happy to announce the release of a new firmware for the LTE modem for CAT-M1. It can be used for existing FiPy, GPy and G01 modules.

This new firmware release is much more stable than previous CAT-M1 releases.

Forum users can find the download link in this post and please note the two step upgrade process explained in the upgrade instructions in the docs.

Regards,
Peter

[kjm]

We'd like to try this on a 1.20.3.b0 fiPY but when we try

>>> import sqnsupgrade; sqnsupgrade.info()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ImportError: no module named 'sqnsupgrade'

there is not an obvious way to do it. Is there another way to upgrade modem firmware? If not is there a firmware version for the fiPY that has sqnsupgrade in it?

Also the modem firmware update guide mentions "Our newest products ship with the modem firmware version CAT-M1 5.4.1.0-50523. At the moment it is not possible to update the modem to that version." Do you have a timeline for when this might be possible since our suppliers are still shipping FiPYs with 43818 modem firmware.

[peterp]

@kjm Yes that beta firmware does not include the sqnsupgrade. You can take it from here https://github.com/pycom/pycom-libraries/tree/master/lib/sqnsupgrade Or you used (temporarily) another firmware such as 1.20.2.r4 to perform the upgrade

[kjm]

@peterp In https://docs.pycom.io/updatefirmware/ltemodem/ I'm wondering if

sqnsupgrade.run('/sd/CATM1-5.2-48829-2.dup', load_fff=False)

should be

sqnsupgrade.run('/sd/CATM1-5.2-48829-1.dup', load_fff=False)

otherwise 1.dup is not used anywhere in the 2 step process?

[peterp]

@kjm Yes, you're right. Thanks for flagging! We'll update it.

[Paul Harvey]

Is there a comparable update for the NB-IoT firmware?

We are finding our current FiPy/1.20.0.rc13/LR6/41019 firmware impossible to connect on NB-IoT in the US. Anyone know of a working combination?

[Gijs]

Could you first try to use the latest firmware (1.20.2.r4) and let us know. Also I recommend to create a separate thread for your issue instead of adding onto a CAT-M1 modem firmware thread :), just to keep things separate

[Alexander Pilhar]

This post is deleted!

[Paul Harvey]

@Gijs Yes, no luck for us using 1.20.2.r4 neither. Still haven't been able to connect in US. Will create another post as you suggest and continue to solve it there.