PyCom GPY NB IoT firmware failed



  • I tryed many times updating the firmware of the modem but only get error updating the updater.elf file.
    Seen many have same error and no support.
    Can anyone help me? or I have to throw away 2 devices.

    >>> from network import LTE
    >>> lte = LTE()
    >>> lte.reset()
    >>> lte.disconnect()
    >>> lte.dettach()
    >>> from machine import SD
    >>> sd = SD()
    >>> os.mount(sd, '/sd')
    >>> os.listdir('/sd')
    ['System Volume Information', 'NB1-41019.dup', 'updater.elf', 'upgdiff_33080-to-41019.dup', 'upgdiff_39529-to-41019.dup', 'upgdiff_40343-to-41019.dup', 'upgdiff_41065-to-41019.dup']
    >>> import sqnsupgrade
    >>> sqnsupgrade.info()
    <<< Welcome to the SQN3330 firmware updater [1.2.5] >>>
    >>> GPy with firmware version 1.18.2.r5
    Your modem is in application mode. Here is the current version:
    UE6.0.0.0
    LR6.0.0.0-41019
    
    IMEI: ************************
    
    >>> sqnsupgrade.run('/sd/updater.elf')
    <<< Welcome to the SQN3330 firmware updater [1.2.5] >>>
    >>> GPy with firmware version 1.18.2.r5
    Attempting AT wakeup...
    Session opened: version 1, max transfer 8192 bytes
    Sending 371307 bytes: [                                        ]   1%SRSP header too small: 0
    Code download failed, aborting!
    >>>


  • I;ve got the same problem trying to update for lte-m1.
    Got nothing to add, but wan to subscribe to this thread in case something comes up.


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