@john-baird Can you try this? https://forum.pycom.io/topic/4022/unable-to-update-gpy-modem-firmware/4

@robert-hh Many thanks. :)

Also wanting to know more about the function of the CID.

You'll might have issue attaching to the network again, in which case you'll have to deinit and try re-attaching. Probably won't be an issue unless you save some state to nvram. I don't understand the other part fully: Are you using all three commands to deinit the LTE modem? I think you only need lte.deinit() or the other two (although I'm looking for a definite answer to this as we speak). What do you estimate to power consumption difference to be? What power consumption/battery life do you need to achieve?

Update: Some more information... I am in the USA, and registered the SIM card on a verizon network that mentioned it was compatible with the FiPY IMEI. Below is a screenshot of some commands. Firmware is 33080, this is old...could this be the issue?, but it seems Pycom is releasing a new modem update fix soon? Do I need to set the APN manually, or is there something I am missing? I have a CATM1 modem with the same kind of SIM card and it gets signal just fine here. [image: 1534859163191-dd2f561e-2edc-4d5e-bedc-133837e0bb1b-image.png]