Firmware updates and OTA upgrades

Firmware maintenance and upgrade guides for Dragino NB-IoT and LTE-M devices.

Firmware Update Via UART/TTL for NB-IoT & LTE-M

Use UART/TTL access for AT commands, firmware upgrades, and low-level device maintenance.

Firmware Update via BLE for NB-loT/LTE-M End Node

Update NB-IoT and LTE-M end node firmware from a mobile phone over BLE.

Firmware Update via OTA for NB-IoT/LTE-M End Node

Remote firmware update workflow for compatible NB-IoT and LTE-M end nodes.

Firmware Update via FOTA for BC660-GL

Upgrade BC660K-GL module firmware using its debug serial port.

Firmware Update for -FB/-FS Models

OTA, J-Link, and USB-TTL upgrade workflows for -FB and -FS devices.