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Nalini Muppala
Updated

SigCell Firmware

For use in the following products:

  • M1-N1
  • M1-B1
  • M1-B2

Bin file is used to update via FOTA using SigNet API

         Refer to FOTA update

Hex file is used to flash from J-Link using nRF Connect Programmer    

         Refer to Programming SigCell

 

If a release requires a specific nRF modem firmware, refer to Programming SigCell Modem firmware for steps

 

Information on upcoming releases is available in SigCell Roadmap

 

Latest Release

v.1.1.5 [2023-04-25]

[Added]

  • Added ability to read dfuready. [FOTA]
  • Added clean_session variable for mqtt protocol. [MQTT]
  • Added support for pushing raw payload only in MQTT. [MQTT]
  • Added ability to disable SNTP lookup and set the SNTP server. [MISC]
  • Added and Changed wdt notify messages. [WDT]
  • Added MQTT support for JSON payload and fix minor issues. [WDT]
  • Added var_payload (kv,raw,json,jsonx) to handle various payloads. [MISC]
  • Added raw mode support and variable to select. [MISC]
  • Added support for RTC time and LTE time. [LTE]
  • Added major LED additions and control. [LED]
  • Added clearing of LWM2M bootstrap info and rebooting after 20 disconnects. [FOTA]
  • Added command to clear FOTA bootstrap. [FOTA]
  • Added ability to disable eDRX and PSM via vars. Defaulted to enabled. [LTE]

[Changed]

  • Changed for case of inactive SIM card to make IMEI available.
  • Changed LWM2M handling to delay 5 minutes on error. This can be caused by inactive SIM.
  • Fixed memory leak in udp resolve. [NET]
  • Changed Default active LED LUT to 0, to mimic past functionality. [LED]
  • Changed uart processing to include quote removal. [MISC]
  • Changed certificate management to use nRF libraries.. [MISC]
  • Changed devid/user var sizes to larger storage, for supporting Azure. [MISC]
  • Changed fotafile size to larger storage, to handle more args. [FOTA]
  • Fixed Modem api updated to truncate excess fields in api input [MISC]
  • Changed to carrier lib 0.10 [FOTA]
  • Added LWM2M error handling to clear bootstrap info, print error code, and reboot if not connected. [FOTA]
  • Changed watchdog handling. [WDT]
  • Fixed minor issues in watchdog. [WDT]
  • Fixed variable name bug. [MISC]
  • Fixed a bug where the LTE thread could become locked up in pushing data. [+push]
  • Fixed bug that added extra '}' to end of field values. [+push]
  • Fixed warnings and type errors in wdt. [WDT]
  • Fixed DFU notify being non-atomic. [FOTA]
  • Removed reboot on lwm2m reboot event. Carrier library will do it. [FOTA]
 

Verizon

sigcell_v1.1.5-vz.bin

sigcell_v1.1.5-vz.hex

modem firmware required: mfw_nrf9160_1.1.4.zip

 

AT&T and Worldwide (WW)

URGENT:  AT&T has dropped the LWM2M requirement and support. It is important to use the non-LWM2M version of our software, AKA worldwide (WW).  Our WW release is the same as AT&T without LWM2M.

Coming soon.  Use 1.1.0.1-ww below

 

Serial LTE Modem (AT commands)

sigcell_serial_lte_modem_ncs_v2.3-0.9.0.hex - BETA 0.9.0

 

Other Releases

 

v.1.1.0.1 [2024-01-11]

[Bug Fixes]

  • PSM mode sometimes would cause a disconnect. This is fixed.

 

AT&T and PTCRB (worldwide)

sigcell_ww_v1.1.0.1-ww.bin

sigcell_ww_v1.1.0.1-ww.hex

modem firmware required: mfw_nrf9160_1.2.7.zip

 

v.1.1.0 [2022-01-28]

[Stability Improvements]

  • Allow system to continue on LWM2M BOOTSTRAPPED event
  • Allow system to continue on LWM2M DEFERRED event
  • Improved handling of LWM2M error events.
  • Updated LWM2M Carrier Library to 0.8.2 to address cases where connections were stalled.

[Performance Improvements]

  • Watchdog is now thread-safe and generally idle. It will sleep until a thread feeds it.

[Features]

  • Added lwm2m state change notifications to API UART
  • Support for sensor polling (custom builds)
    • Allow sensor_poll in for CoAP and MQTT protocols
    • Support for ADC sampling, sensor polling, auto reporting
    • Support for IMEI and timestamps on sensor reports.
  • Increase maximum key/value pairs in a +push to seven (7).
  • Support for larger MQTT downlink packets
  • New variable to track mqtt_connected state
  • UDP listen support
  • Add ability to set/get APN
  • Automatically set offline when loading cert/keys

[Bug Fixes]

  • Fix possible application FOTA corruption introduced in v1.0.9 (no issue in v1.0.8)
  • Address issue where saving variables sometimes failed.
    • Application variables moved to separate section from LWM2M variables
  • Address MQTT issues when sleeping.
  • Fix an issue with token:value json creation for MQTT Tx
  • General stability improvements
  • AT command re-entrant protections
  • Fix LED on/off control not responding while connection is in progress
  • Fix memory leak during TCP connection

 

Verizon

sigcell_v1.1.0-vz.bin

sigcell_v1.1.0-vz.hex

modem firmware required: mfw_nrf9160_1.1.2.zip

 

AT&T

sigcell_v1.1.0-att.bin

sigcell_v1.1.0-att.hex

modem firmware required: mfw_nrf9160_1.2.1.zip

 

PTCRB (worldwide)

sigcell_ww_v1.1.0-ww.bin

sigcell_ww_v1.1.0-ww.hex

modem firmware required: mfw_nrf9160_1.2.3.zip

 

PTCRB (worldwide) - 9600 baud

sigcell_ww_v1.1.0-ww-9600baud.bin

sigcell_ww_v1.1.0-ww-9600baud.hex

modem firmware required: mfw_nrf9160_1.2.3.zip

 

v.1.1.1-rc3 2022-03-15

[Performance Improvements]

  • Improved watchdog
  • Improved watchdog notify messages

[Features]

  • Add support for Raw mode

[Bug Fixes]

  • Fix TLS connections

Verizon

SigCell_v1.1.1-rc3.hex

SigCell_v1.1.1-rc3.bin

modem firmware required: mfw_nrf9160_1.1.2.zip

 

v.1.1.1-rc1 2022-02-10

[Performance Improvements]

  • Improved watchdog
  • Improved watchdog notify messages

[Features]

  • Added config payload (kv, raw, json, jsonx) to support various payload formats
    • Add support for JSON formatted MQTT (jsonx)
    • Add support for pushing raw payload only in MQTT (raw)
  • Add ability to disable SNTP lookup and set the SNTP server

[Bug Fixes]

  • Fix a bug where the LTE thread could become locked up while pushing data

 

Verizon ADC

sigcell_adc_v1.1.1-rc1-vz.bin

sigcell_adc_v1.1.1-rc1-vz.hex

modem firmware required: mfw_nrf9160_1.1.2.zip

Older versions available on request.

 

 

v1.0.9

What's new

[New] support Clean flag for MQTT
[New] Send PUBACK message when a message is published with QoS 1
[Bug Fix] Resolve issue in setting certificates
[Bug Fix] for proper MQTT push.
[Bug Fix] Fix bug that prevented sensor reporting
LED is controlled via PWM instead of gpio. Reduce green LED brightness
socket handling improvements
Speed up push

 

v1.0.8 2020-12-22 - Verizon

SigCell_v1.0.8.bin

SigCell_v1.0.8.hex

 

What's new

  • [Bug Fix] to use password with MQTT
  • [New] Add clear_saved functionality to reset saved data
  • Robustness improvement to accommodate network tansport connection taking longer than usual.
  • Add more variables to list of parameters available to save to NVMEM

 

v1.0.7 2020-12-03 - Verizon 

SigCell_v1.0.7.bin

SigCell_v1.0.7.hex

 

What's new

  • [New] BINARY API in addition to ASCII API
    • Adds TCP binary mode
    • Adds TLS binary support
    • switch to binary mode
      • +set,binary:1
    • switch back to ASCII mode
      • +set,binary:0
  • [Improved] Watchdog support
    • Full-featured, monitoring all threads and activity.
  • [Improved] Earlier access to UART while network connection is being established
  • [New] LED control to turnoff for very low power consumption
  • [Profile] Sleep current: 550uA

 

v1.0.6  Release Candidate 1   2020-10-24

sigcell_v1.0.6-rc1.hex

What's new

  • Robustness improvements
    • 99.99% uptime on connections (in long-term testing)
    • 100% data integrity on push queues.
  • TLS support for TCP sockets
  • Robustness improvements for LTE-M, MQTT, CoAP
  • Performance/speed improvements

 

v1.0.5

SigCell_v1.0.5.bin

SigCell_v1.0.5.hex

v1.0.4

SigCell_v1.0.4.bin

SigCell_v1.0.4.hex

 

 

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