Actually, The link you provided for Update firmware [Here]([quote=“p.euerle, post:1, topic:5851”] http://wiki.seeedstudio.com/Wio_LTE_Cat.1/#update-firmware [/quote]) which is the main wiki for Wio LTE does not contain information about how to update the firmware.
This information is needed, but not provided. The firmware provided on the Seeed WIO LTE for Quectel EC21 is out of date and buggy (quite a few AT Codes do not work as documented)
By the way there are two firmwares, and both of them need to be updated.
- Firmware for the SAMD51
- Firmware for the Quectel Modem. The firmware update can be obtained from Quectel support forum, but Users of WIO LTE Need instructions on how to set up the USB Port reserved to allow the update procedure to work, and how to reset the uSB Port afterward so it can be used for debugging and DFU modes.