Nordic Thingy:91 Cellular IoT prototyping platform

Before applying this version:

• Note that this modem firmware is targeted nRF9160 SiP Revision 2 
• It can be used for nRF9160 SiP Revision 1, but only for testing and development
• It cannot be used for engineering samples of Revision 1 (e.g. DKs or Thingy:91 with version older than v0.9.0) 
• After you upgrade to MFW 1.3.x it is not recommended to downgrade to MFW 1.2.x or MFW 1.1.x.(potential file system issues)

Read out your revision by either AT command: AT%HWVERSION or look on the nRF9160 SIP for marking "B1".

"B1" = Revision 2

"B0" = Revision 1 

The AT command responses for Revision 1 and Revision 2 SiPs will be "nRF9160 SICA B0A" and "nRF9160 SICA B1A" respectively.

Early engineering Revision 2 (B1A) SiPs and Revision 1 (B0A) SiPs might produce AT command responses such as  "nRF9160 SICA BQA" and "nRFFFFFFFFF SICA FFFFFFFF" respectively.

Changelog: 

Location services / GNSS

• Enhancements in GNSS first fix position accuracy and sensitivity.
• Enhancements in GNSS position accuracy in dense urban environments.
• Improved stability and accuracy of heading output.
• Added support for NeQuick ionosphere parameter assistance input.
• Optimized GNSS duty cycle power consumption.

A complete list of new functionality, changes and bug fixes is in the release notes found here or inside the .zip file.

Before applying this version, please make sure it has the mobile network operator certifications your product needs.

This release is aligned with v2.4 of nRF91 AT command reference guide.

It is recommended to use the latest version of nRF Connect SDK and nRF Connect Programmer tools. 

Before applying this version:

• Note that this modem firmware is targeted nRF9160 SiP Revision 2 
• It can be used for nRF9160 SiP Revision 1, but only for testing and development
• It cannot be used for engineering samples of Revision 1 (e.g. DKs or Thingy:91 with version older than v0.9.0) 
• After you upgrade to MFW 1.3.x it is not recommended to downgrade to MFW 1.2.x or MFW 1.1.x.(potential file system issues)

Read out your revision by either AT command: AT%HWVERSION or look on the nRF9160 SIP for marking "B1".

"B1" = Revision 2

"B0" = Revision 1 

The AT command responses for Revision 1 and Revision 2 SiPs will be "nRF9160 SICA B0A" and "nRF9160 SICA B1A" respectively.

Early engineering Revision 2 (B1A) SiPs and Revision 1 (B0A) SiPs might produce AT command responses such as  "nRF9160 SICA BQA" and "nRFFFFFFFFF SICA FFFFFFFF" respectively.

Changelog: 

• Support for Connection Identifier (RFC 9146) for DTLS 1.2.
• Support for DTLS context serialization.
• X.509 support for DTLS.

• TLS security updates.
• Additional feature support for nRF91 device identity and provision services.
• Enhanced filesystem integrity in case of unrecoverable modem error.
• Correction for EDRX downlink data reception.
• Correction for power consumption state after unsuccessful %CONEVAL attempt.
• Corrections and improvements for service reliability.

A complete list of new functionality, changes and bug fixes is in the release notes found here or inside the .zip file.

Before applying this version, please make sure it has the mobile network operator certifications your product needs.

This release is aligned with v2.3 of nRF91 AT command reference guide.

It is recommended to use the latest version of nRF Connect SDK and nRF Connect Programmer tools. 

Before applying this version:

• Note that this modem firmware is targeted nRF9160 SiP Revision 2 
• It can be used for nRF9160 SiP Revision 1, but only for testing and development
• It cannot be used for engineering samples of Revision 1 (e.g. DKs or Thingy:91 with version older than v0.9.0) 
• After you upgrade to MFW 1.3.x it is not recommended to downgrade to MFW 1.2.x or MFW 1.1.x.(potential file system issues)

Read out your revision by either AT command: AT%HWVERSION or look on the nRF9160 SIP for marking "B1".

"B1" = Revision 2

"B0" = Revision 1 

The AT command responses for Revision 1 and Revision 2 SiPs will be "nRF9160 SICA B0A" and "nRF9160 SICA B1A" respectively.

Early engineering Revision 2 (B1A) SiPs and Revision 1 (B0A) SiPs might produce AT command responses such as  "nRF9160 SICA BQA" and "nRFFFFFFFFF SICA FFFFFFFF" respectively.

Changelog: 

• GCI (Global Cell ID) support added for LTE positioning (%NCELLMEAS).
• Accuracy improvements by reporting also excluded cells in LTE positioning (%NCELLMEAS).
• Added support for modem APDU interface to enable USIM implementation in application domain.
• New features for nRF91 device identity and provision services.
• Integrity protection for delta Firmware-over-the-air update during lower battery voltage.
• Improved the execution time for home PLMN detection and search.
• Ephemeris download period reduced from 2h to 1h to improve GNSS accuracy in period positioning fix mode.
• Fixes for GNSS almanac downloading and validity period management. Statistical improvements for TTFF and position fix quality in periodic position fix mode.
• Power consumption improvements for NB-IoT.
• Power consumption improvements and corrections for TCP.

A complete list of new functionality, changes and bug fixes is in the release notes found here or inside the .zip file.

Before applying this version, please make sure it has the mobile network operator certifications your product needs.

This release is aligned with v2.2 of nRF91 AT command reference guide.

It is recommended to use the latest version of nRF Connect SDK and nRF Connect Programmer tools. 

Before applying this version:

• Note that this modem firmware is targeted nRF9160 SiP Revision 2 
• It can be used for nRF9160 SiP Revision 1, but only for testing and development
• It cannot be used for engineering samples of Revision 1 (e.g. DKs or Thingy:91 with version older than v0.9.0) 
• After you upgrade to MFW 1.3.x it is not recommended to downgrade to MFW 1.2.x or MFW 1.1.x.(potential file system issues)

Read out your revision by either AT command: AT%HWVERSION or look on the nRF9160 SIP for marking "B1".

"B1" = Revision 2

"B0" = Revision 1 

The AT command responses for Revision 1 and Revision 2 SiPs will be "nRF9160 SICA B0A" and "nRF9160 SICA B1A" respectively.

Early engineering Revision 2 (B1A) SiPs and Revision 1 (B0A) SiPs might produce AT command responses such as  "nRF9160 SICA BQA" and "nRFFFFFFFFF SICA FFFFFFFF" respectively.

Changelog: 

• Mobile network operator specific configurations for NSLPI.
• Corrections for AS Release Assistance Indicator feature.
• Corrections for service reliability.

A complete list of new functionality, changes and bug fixes is in the release notes found here or inside the .zip file.

Before applying this version, please make sure it has the mobile network operator certifications your product needs.

This release is aligned with v2.1 of nRF91 AT command reference guide.

It is recommended to use the latest version of nRF Connect and nRF Connect Programmer tools. 

Before applying this version:

• Note that this modem firmware is targeted nRF9160 SiP Revision 2 
• It can be used for nRF9160 SiP Revision 1, but only for testing and development
• It cannot be used for engineering samples of Revision 1 (e.g. DKs or Thingy:91 with version older than v0.9.0) 
• After you upgrade to MFW 1.3.x it is not recommended to downgrade to MFW 1.2.x or MFW 1.1.x.(potential file system issues)

Read out your revision by either AT command: AT%HWVERSION or look on the nRF9160 SIP for marking "B1".

"B1" = Revision 2

"B0" = Revision 1 

The AT command responses for Revision 1 and Revision 2 SiPs will be "nRF9160 SICA B0A" and "nRF9160 SICA B1A" respectively.

Early engineering Revision 2 (B1A) SiPs and Revision 1 (B0A) SiPs might produce AT command responses such as  "nRF9160 SICA BQA" and "nRFFFFFFFFF SICA FFFFFFFF" respectively.

Changelog:

• General / Connectivity

  • Feature to read TLS certificate validity.
  • Support for SHA parameter in %CMNG AT command.
  • Power consumption optimization feature for reducing RRC Idle mode neighbor measurements while UE is stationary.
  • USAT information and event reporting to application via %USATEV and %USATINFO.
  • Improved NVM protection during active low power off warning %XPOFWARN.
  • Improvements for data transmission from application to modem during data congestion. Supported by Modem Library v2.0.0.
  • TLS security updates.

• Location services

  • Improvement to AT%NCELLMEAS feature. Improves inter frequency cell measurement results.
  • Feature to output GNSS vertical velocity in PVT notification. Supported by nRF Connect SDK GNSS API v1.9.0 and examples in nRF Connect SDK v2.0.0.
  • Feature to output GNSS execution time in milliseconds since the last start. Supported by nRF Connect SDK GNSS API v1.9.0 and examples in nRF Connect SDK v2.0.0.
  • Feature to query what assistance data GNSS currently has and when it will expire. Supported by nRF Connect SDK GNSS API v1.9.0 and examples in nRF Connect SDK v2.0.0.
  • GNSS acquisition improvement in cold start situations.
  • Acquisition parameterization optimization for TTFF and sensitivity enhancements in hot start situations.
  • Enhanced GNSS re-acquisition TTFF performance. Feature would have benefit in short signal outages.
  • Enhanced acquisition performance in use cases where there is one or more GNSS satellite signals with relatively high signal level.
  • Improvement for GNSS positioning accuracy and outlier mitigation.
  • Fixes in LTE/GNSS interoperability.

A complete list of new functionality, changes and bug fixes is in the release notes found here or inside the .zip file.

Before applying this version, please make sure it has the mobile network operator certifications your product needs.

This release is aligned with v2.1 of nRF91 AT command reference guide.

It is recommended to use the latest version of nRF Connect and nRF Connect Programmer tools. 

Before applying this version:

• Note that this modem firmware is targeted nRF9160 SiP Revision 2 
• It can be used for nRF9160 SiP Revision 1, but only for testing and development
• It cannot be used for engineering samples of Revision 1 (e.g. DKs or Thingy:91 with version older than v0.9.0) 
• After you upgrade to MFW 1.3.x it is not recommended to downgrade to MFW 1.2.x or MFW 1.1.x.(potential file system issues)

Read out your revision by either AT command: AT%HWVERSION or look on the nRF9160 SIP for marking "B1".

"B1" = Revision 2

"B0" = Revision 1 

The AT command responses for Revision 1 and Revision 2 SiPs will be "nRF9160 SICA B0A" and "nRF9160 SICA B1A" respectively.

Early engineering Revision 2 (B1A) SiPs and Revision 1 (B0A) SiPs might produce AT command responses such as  "nRF9160 SICA BQA" and "nRFFFFFFFFF SICA FFFFFFFF" respectively.

Changelog:

• 3GPP feature that can be used by the network for restricting sending of data packets using PDN connection established to certain APN.
• Feature for configuring periodic network searches. Application can configure how often modem performs periodic network search while the device is out of coverage.
• Added support for TLS cipher suites TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 and TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384.
• New feature additions and improvements for client requested neighbor cell measurement feature (AT%NCELLMEAS).
• Improved accuracy of <energy_estimate> provision for AT command AT%CONEVAL.
• Feature for application to prioritize either SIB16 (time information) reception or connection establishment speed.
• XCOEX2 IO-pin configurability options now contain possibility to configure XCOEX2 IO-pin as TX indicator or RX indicator.
• In MFW 1.3.1, the amount of ownership keys is restricted to one. Multiple instances are not allowed, and it is not allowed to write ownership key with AT%CMNG AT command.
  
  
• Feature for application to enable or disable GNSS scheduled almanac and ephemeris broadcast reception in periodic mode.
• Performance and speed-up improvement for GNSS reception and acquisition control if no successful location fix.
• Optimization for GNSS not to request AGPS data from the modem when AGPS data is already injected and GNSS is started at the first time.
• Improvements for GNSS receiver to tolerate rapid temperature changes.
  
  
• Improvement for SIM interface RST- and IO-signal pin configurations to improve voltage level stability.
• Correction for sleep time handling when sleep time was longer than approximately 36 hours.
• Correction for modem deep sleep entry sequences. Defect may have caused extra current consumption during deep sleep.
• Correction for 3GPP Release 15 enabled LTE-M cell detection.
• Correction for GNSS 1PPS accuracy after GNSS sleep.

A complete list of new functionality, changes and bug fixes is in the release notes found here or inside the .zip file.

This release is aligned with v1.8 of nRF91 AT command reference guide.

It is recommended to use the latest version of nRF Connect and nRF Connect Programmer tools. 

Before applying this version:

• Note that this modem firmware is targeted nRF9160 SiP Revision 2 
• It can be used for nRF9160 SiP Revision 1, but only for testing and development
• It cannot be used for engineering samples of Revision 1 (e.g. DKs or Thingy:91 with version older than v0.9.0) 
• After you upgrade to MFW 1.3.0 it is not recommended to downgrade to mfw 1.2.x or mfw 1.1.x.(potential file system issues)

Read out your revision by either AT command: AT%HWVERSION or look on the nRF9160 SIP for marking "B1".

"B1" = Revision 2

"B0" = Revision 1 

The AT command responses for Revision 1 and Revision 2 SiPs will be "nRF9160 SICA B0A" and "nRF9160 SICA B1A" respectively.

Early engineering Revision 2 (B1A) SiPs and Revision 1 (B0A) SiPs might produce AT command responses such as  "nRF9160 SICA BQA" and "nRFFFFFFFFF SICA FFFFFFFF" respectively.

Changelog:

• QZSS L1C/A positioning support.
• GPS time based configurable IO-pin / pulse.
• GPS dynamic modes for stationary, pedestrian and automotive.
• GPS power consumption optimizations during satellite tracking.
• GPS enhancements to reduce GPS TTFF.
• Support for 3GPP NB-IoT-NB2.
• Support for 3GPP AS-RAI. Release Assistance Indication.
• Support for Non-IP Data Delivery (NIDD).
• Feature for application to configure country specific parameters to speed up NW search and connection times.
• Feature for application to take benefit of modem sleep events. For power saving possibilities.
• Feature for application to execute LTE channel pre-evaluation before establishing connection. For power saving possibilities.
• Feature for application to measure serving and neighbor cells for cellular based positioning purposes.
• Feature for application to optimize device power consumption when modem is searching network.
• Feature for application to enable both LTE-M and NB-IoT system modes and modem performs automatic system mode selection.
• Feature for application to configure RF Rx and Tx indications from IO-pin.
• Speed-up improvements to modem cell selection and re-selection.
• Power consumption optimization in LTE-M and NB-IoT RRC Idle mode.
• Improvements for NB-IoT receiver performance.
• Non-wired full modem update with pre-validation.
• Support for on device key generation.

A complete list of new functionality, changes and bug fixes is in the release notes found here or inside the .zip file.

This release is aligned with v1.7 of nRF91 AT command reference guide.

It is recommended to use the latest version of nRF Connect and nRF Connect Programmer tools.

We have also published a webinar showcasing all the new features and improvements, you can watch it here.

Changelog:

• Corrections for service reliability.

A complete list of new functionality, changes and bug fixes is in the release notes found here or inside the .zip file.

Before applying this version, please make sure it has the mobile network operator certifications your product needs.

This release is aligned with nRF91 AT command reference guide v2.1.

It is recommended to use the latest version of nRF Connect for Desktop and nRF Connect for Desktop Programmer application.

Changelog:

• Added AT%USATEV and AT%USATINFO AT commands for USAT information and event reporting.
• Added support for TLS cipher suites :
  TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
  TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 and
  TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384.

• TLS and TCP security updates.
• Improvement for GNSS receiver to tolerate rapid temperature changes.
• Improvement for SIM interface RST- and IO-signal pin configurations to improve voltage level stability.

• Correction for sleep time handling when sleep time was longer than approximately 36 hours.
• Correction for blocked uplink data transmissions after modem deactivation and re-activation.
• Correction for modem to correctly detect 3GPP Release 15 enabled LTE-M networks.

A complete list of new functionality, changes and bug fixes is in the release notes found here or inside the .zip file.

FOTA delta image inside the release zip can be used to update directly from mfw_nrf9160_1.2.3 to mfw_nrf9160_1.2.7

For details, see release notes which describes all the version differences and changes since mfw_nrf9160_1.2.3.

Before applying this version, please make sure it has the mobile network operator certifications your product needs.

This release is aligned with nRF91 AT command reference guide v2.0.

It is recommended to use the latest version of nRF Connect and nRF Connect Programmer tools.

Changelog:

• Correction to sleep mode entry timings. Earlier timings may have failed on sleep mode entry and
  cause additional current consumption. Updated PMIC debounce setting at boot up improves
  reliability of mode change.

A complete list of new functionality, changes and bug fixes is in the release notes found here or inside the .zip file.

Before applying this version, please make sure it has the mobile network operator certifications your product needs.

This release is aligned with v1.5 of nRF91 AT command reference guide.

It is recommended to use the latest version of nRF Connect and nRF Connect Programmer tools.

Changelog:

• Added option to use previously obtained altitude information with GPS three-satellite first fix
• Improved GPS hot start sensitivity
• Improved GPS time to first fix in poor signal conditions
• Completed TCP server support
• Various improvements to LTE-M, NB-IoT and GPS stability and performance
  
   

A complete list of new functionality, changes and bug fixes is in the release notes found here or inside the .zip file.

Before applying this version, please make sure it has the mobile network operator certifications your product needs.

This release is aligned with v1.5 of the nRF91 AT command reference guide.
It is recommended to use the latest version of nRF Connect and nRF Connect Programmer tools.

Note:
Release 1.2.2 is not recommended for production use due to sleep mode current consumption issue.
Please refer to release 1.2.3.

Changelog:

• Added support for new nRF9160 product variant (nRF9160-SIxA-B1).
• Added support for TLS extension Server Name Indication (SNI).
• Added support for (D)TLS cache over power cycle.
• Added various new AT commands and improved existing ones.
• Various improvements to LTE-M, NB-IoT and GNSS stability and performance.

A complete list of new functionality, changes and bug fixes is in the release notes found here or inside the .zip file.

Before applying this version, please make sure it has the mobile network operator certifications your product needs.

This release is aligned with v1.4 of the nRF91 AT command reference guide.

It is recommended to use the latest version of nRF Connect and nRF Connect Programmer tools.

Changelog:

• Various improvements to LTE-M and NB-IoT stability and performance
• Added new socket options for improving LTE modem power consumption
• Improved GPS power consumption
• Improved GPS tracking performance for sensitivity and accuracy
• Improved GPS hot and cold start acquisition sensitivity and time-to-first-fix
• Added AT command for routing GPS signal when using a single antenna for LTE and GPS signals
• Added various new AT commands and improved existing ones

A complete list of new functionality, changes and bug fixes is in the release notes found here or inside the .zip.

Before applying this version, please make sure it has the mobile network operator certifications your product needs.

This release is aligned with v1.2 of the nRF91 AT command reference guide.

Changelog:

• TLS security updates.
• Added support for TLS cipher suites:
  TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384,
  TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
  TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 and
  TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384.
• Improvements for GNSS receiver to tolerate rapid temperature changes.
• Improvement for SIM interface RST- and IO-signal pin configurations to improve voltage level stability.
• Correction for modem to correctly detect 3GPP Release 14 and 15 enabled networks.
• Correction for sleep time handling when sleep time was longer than approximately 36 hours.
• Correction for modem deep sleep entry sequences. Defect may have caused extra current consumption during deep sleep.
• Correction for blocked uplink data transmissions after modem deactivation and re-activation.

A complete list of new functionality, changes and bug fixes is in the release notes found here or inside the .zip file.

Before applying this version, please make sure it has the mobile network operator certifications your product needs.

This release is aligned with v2.1 of nRF91 AT command reference guide.

It is recommended to use the latest version of nRF Connect and nRF Connect Programmer tools. 

Changelog:

• Bugfix that addresses rare occurrences of increased sleep current.
• Improvement for very rare occasion where modem program NVM access may have failed at modem sleep wakeup.
• Correction for GNSS sleep timer handling. Incorrect handling may have resulted that acquiring GNSS location may have failed after a long period of time.

A complete list of new functionality, changes and bug fixes is in the release notes found here or inside the .zip file.

Before applying this version, please make sure it has the mobile network operator certifications your product needs.

This release is aligned with v1.5 of nRF91 AT command reference guide.

It is recommended to use the latest version of nRF Connect and nRF Connect Programmer tools.

• Added support for new nRF9160 product variant (nRF9160-SIxA-B1)
• Added various new AT commands and improved existing ones
• Various improvements to LTE-M, NB-IoT and GPS stability and performance
  
   

A complete list of new functionality, changes and bug fixes is in the release notes found here or inside the .zip.

Before applying this version, please make sure it has the mobile network operator certifications your product needs.

This release is aligned with v1.3 of the nRF91 AT command reference guide.

Note:
Release 1.1.3 is not recommended for production use due to sleep mode current consumption issue. 
Please refer to release 1.1.4.

• A software workaround fix for flash memory controller hardware issue, which may have caused flash accesses to fail after sleep wake-up.
• A software correction for handling FOTA rollback in case of security or watchdog reset. Issue may have caused unnecessary modem firmware rollback after FOTA.

A complete list of new functionality, changes and bug fixes is in the release notes found here or inside the .zip file.

Before applying this version, please make sure it has the mobile network operator certifications your product needs.
It is recommended to use the latest version of nRF Connect and nRF Connect Programmer tools.

The mfw_nrf9160 is the firmware for the modem subsystem of nRF9160. It supports 3GPP LTE
release 13 Cat-M1 and Cat-NB1 standards, and GPS L1C/A positioning.

Cat-M1 operation is enabled on E-UTRA Bands 1, 2, 3, 4, 5, 8, 12, 13, 14, 17, 18, 19, 20, 25,
26, 28 and 66.

Cat-NB1 operation is enabled on E-UTRA Bands 1, 2, 3, 4, 5, 8, 12, 13, 17, 19, 20, 25, 26,
28 and 66.

This release is aligned with v1.1 of nRF91 AT command reference guide.

A complete list of new functionality, changes and bug fixes is in the release notes found here or inside the .zip file.

Before applying this version, please make sure it has the mobile network operator certifications your product needs.

It is recommended to use the latest version of nRF Connect and nRF Connect Programmer tools.

This release represents a long list of:

• New features
• Changes
• Bugfixes

A complete list of new functionality, changes and bug fixes is in the release notes found here or inside the .zip file.

Before applying this version, please make sure it has the mobile network operator certifications your product needs.