Wirnet™ i-series

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====== KerOS Firmware Release History ======
This page lists the main firmware releases since the 4.0.2 version and their associated major updates regarding previous one.

===== KerOS firmware v5.12.0 (November 2025) ===== 
[[wiki:firmware:release_5.12|Download]]

==== Release corrections ====

  * Lighten some unnecessary logs which were in verbose mode
  * Prevent Basic Station and lorad from restarting each other in loop

==== Evolutions ====

  * Fix various security vulnerabilities
     * CVE-2024-32384
     * CVE-2024-39148
     * CVE-2024-32388
     * Remove LNS credentials from debug logs


  * Set temperature limit to 95°C on iBTS before cooldown
  * Lower MTU for cellular communications down to 1420
  * Extend Network Monitoring to handle new unstabilities experienced on the field


==== Restrictions =====
  *** IPSec is not yet supported **
  * Some issues with the Wi-Fi interface (instabilities, no fallback...) on Wirnet iFemtoCell
  * When upgrading from KerOS firmware 4.x, all trustzone secrets are lost
  * When upgrading from KerOS FW 4.3.3, a hardware reset is necessary for FW 5.x burner to correctly detect USB
  * Update status for an update from KerOS FW 5.1.x, FW 5.2.x or FW 5.3.x is in error, but the update is working fine
  * No more support of GSM dongles (please contact Kerlink if you plan to use one)
  * When iZepto-E is powered by a computer, it cannot benefit from the connection of a gateway in router mode
  * The activation/deactivation of the GSM from the local web interface takes some time to execute, so previous activation status remains displayed for a while.     A page refresh after a delay of 15-20s after the action shows the right status
  * TAI clock offset can not be set on iStation with NEO-M9N. Class B does not work.


===== Firmware KerOS v5.11.0 (February 2024) =====
[[wiki:firmware:release_5.11|Download]]

==== Release corrections ====

  * Fix LoRa demodulator (SX130x) counter overflow and time synchronization
  * Fix application of LBT and beaconing configuration by LNS in Basic Station packet forwarder for Wirnet iFemtoCells and iStations
  * Fix beaconing activation by LNS in Basic Station packet forwarder

==== Evolutions ====

  * Keep the default generic operator configuration for cellular Wirnet iZepto-cell only
  * Update the [[wiki:network_mana:backhaul#cellular_configuration|default APN list]] to reduce the need to configure the cellular backhaul
  * Detect when a [[wiki:network_mana:backhaul#cellular_configuration|SIM is present but not operational]]
  * Select the best active antenna to transmit downlinks depending on radio performances in a [[wiki:lora:cpf_configuration#lorad_configuration|2x8channels Wirnet iBTS]] Compact configuration

==== Restrictions =====
  *** IPSec is not yet supported **
  * Some issues with the Wi-Fi interface (instabilities, no fallback...) on Wirnet iFemtoCell
  * When upgrading from KerOS firmware 4.x, all trustzone secrets are lost
  * When upgrading from KerOS FW 4.3.3, a hardware reset is necessary for FW 5.x burner to correctly detect USB
  * Update status for an update from KerOS FW 5.1.x, FW 5.2.x or FW 5.3.x is in error, but the update is working fine
  * No more support of GSM dongles (please contact Kerlink if you plan to use one)
  * When iZepto-E is powered by a computer, it cannot benefit from the connection of a gateway in router mode
  * The activation/deactivation of the GSM from the local web interface takes some time to execute, so previous activation status remains displayed for a while.     A page refresh after a delay of 15-20s after the action shows the right status
===== Firmware KerOS v5.10.1 (October 2023) =====
[[wiki:firmware:release_5.10|Download]]

==== Release corrections ====

  * Fix missing channels in LoRaWAN radio configuration
  * Enable LoRaWAN radio configuration by [[wiki:lora:basic_station_forwarder|Basic Station]] on iZepto-cell products
  * Monitor temperature range at LoRa service start
  * Reduce RAM consumption caused by internal databases

==== Evolutions====

  * Add the possibility to use [[wiki:systeme_mana:webui#https_web_interface|HTTPS]] for the Web User Interface
  * Support of EC25J auto-Fuota

==== Restrictions ====
  *** IPSec is not yet supported **
  * Some issues with the Wi-Fi interface (instabilities, no fallback...) on Wirnet iFemtoCell
  * When upgrading from KerOS firmware 4.x, all trustzone secrets are lost
  * When upgrading from KerOS FW 4.3.3, a hardware reset is necessary for FW 5.x burner to correctly detect USB
  * Update status for an update from KerOS FW 5.1.x, FW 5.2.x or FW 5.3.x is in error, but the update is working fine
  * No more support of GSM dongles (please contact Kerlink if you plan to use one)
  * When iZepto-E is powered by a computer, it cannot benefit from the connection of a gateway in router mode
  * The activation/deactivation of the GSM from the local web interface takes some time to execute, so previous activation status remains displayed for a while.     A page refresh after a delay of 15-20s after the action shows the right status

===== Firmware KerOS v5.9.0 (May 2023) =====
[[wiki:firmware:release_5.9|Download]]

==== Release corrections ====

  * Fix lora_snmp iptables rules management

==== New features ====

  * Offer a menu in WebUI to [[wiki:systeme_mana:webui#gateway_administration_menu|retrieve logs]] from a gateway
  * Display a [[wiki:systeme_mana:webui#overview_menu|cellular signal quality]] indicator in WebUI
  * Offer a [[wiki:network_mana:backhaul#router_mode|Router mode]] : a GW with a cellular backhaul shares its internet connection to other GW connected in ethernet.
  * Support of a new WAN modem certified with Softbank in Japan for the iFemto-evo 923

==== Evolutions====

  * Monitor “lorad” daemon and trigger a reboot when process is unstable
  * Make it possible to set/get a [[wiki:network_mana:backhaul#cellular_configuration|generic operator by SMS]]
  * Delay connection activation attempts in connman

==== Restrictions ====
  *** IPSec is not yet supported **
  * Some issues with the Wi-Fi interface (instabilities, no fallback...) on Wirnet iFemtoCell
  * When upgrading from KerOS firmware 4.x, all trustzone secrets are lost
  * When upgrading from KerOS FW 4.3.3, a hardware reset is necessary for FW 5.x burner to correctly detect USB
  * Update status for an update from KerOS FW 5.1.x, FW 5.2.x or FW 5.3.x is in error, but the update is working fine
  * No more support of GSM dongles (please contact Kerlink if you plan to use one)
  * When iZepto-E is powered by a computer, it cannot benefit from the connection of a gateway in router mode
  * The activation/deactivation of the GSM from the local web interface takes some time to execute, so previous activation status remains displayed for a while.     A page refresh after a delay of 15-20s after the action shows the right status

===== Firmware KerOS v5.7.2 (February 2023) =====
[[wiki:firmware:release_5.7|Download]]

==== Release corrections ====

  * Fix security vulnerabilities on KerOS API
  * Trigger autorestart of GWMP sockets when uplink message are timed out
  * [[wiki:systeme_mana:time_management#network_configuration|Define pools]] instead of servers for NTP synchronization
  * Properly stop and restart LoRaWAN frames reception when applying a different channel plan

==== New features ====

  * [[wiki:lora:advanced_features#lorawan_frame_filtering|Advanced LoRaWAN frames filtering]] (normal and reverse) with the support of :
    * Multiple ranges filters for NetID, JoinEUI and DevEUI 
    * Proprietary frames
  * [[wiki:network_mana:backhaul#cellular_configuration|Support default generic APN configuration]] (no MCC/MNC needed), by default set to BICS APN in provisioning file
  * Limited support of [[wiki:quickstart:quickstart_izepto_cellular|Wirnet iZeptoCell Cellular]], see restrictions for more details

==== Evolutions====

  * Make ZTP more robust against backhaul disconnections
  * Set network monitoring enabled by default
  * [[wiki:systeme_mana:webui:zcel|Prevent disabling cellular backhaul]] on WebUI for new product iZeptoCell-Cellular
  * Set a [[wiki:network_mana:backhaul#network_auto-connection_and_fallback|fallback DNS server]] configuration by default
  * Automatically adjust TCP packets (fragmentation) depending on backhaul MTU
  * Add [[wiki:support:troubleshoot#automatic_log_gathering|option --minimal/-m]] for get_logs script to get a smaller logs archive
  * Support of Japan version of WAN modem installed in iFemtocell-evo 923 and iStation 923


===== Firmware KerOS v5.5.4 (July 2022) - DO NOT USE =====
[[wiki:firmware:release_5.5.4|Download]]  [DELETED]
<note important>
Do not use the 5.5.4 FW version\\
If this version is installed on you gateways, update them with the last FW version (≥5.7.2)
</note>

==== Release corrections ====
  * No NTP synchronization with GPS without internet <fc #008000> - solved</fc>
  * APN v.sarenet.es is refused by Ofono <fc #008000> - solved</fc>

==== New features ====

  * Support of Wirnet iZeptoCell Ethernet
  * Support of Helium network

==== Evolutions====
  * Linux Kernel update to new LTS (Long Term Support)
    * Linux Kernel LTS 5.4
    * Yocto 3.1.7
    * Upgrade to OpenSSL 1.1.1k
    * Upgrade to Connman 1.39 and Ofono 1.31
    * Upgrade of Python from 2.x to 3.x
  * New Secure Core software (needed for Helium miner)


===== Firmware KerOS v4.3.3 (September 2020) =====
[[wiki:firmware:release_4.3.3|Download]]

==== Release corrections ====
  * CPF: fix reconnection to LNS server after an uplink reconnection
  * Uplink: fix fallback from Ethernet to GSM if no DNS server

==== New features ====

  * Integration of CPF and WMC Embedded applications in firmware
  * Add NetID Filtering in CPF

==== Evolutions====

  * Increase CPF log size

===== Firmware KerOS v4.2.2 (March 2020) =====
[[wiki:firmware:release_4.2.2|Download]]

==== New features ====

  * Support for Wirnet™ iFemtocell-evolution.
  * Add BNM support for iStation and iFemtocell-evolution.
  * Add ''get_logs'' tool to simplify troubleshooting

==== Evolutions====

  * Improvement around gsmdiag (show status file by default).
  * Re-index eMMC device and always set it to /dev/mmcblk0 (instead xx0 for iBTS and xx1 for iFemtocell).
  * Disable watchdog self-refresh during kernel boot.

===== Firmware KerOS v4.2.1 (January 2020) =====
[[wiki:firmware:release_4.2.1|Download]] [DELETED]
  * Preliminary version of KerOS firmware for Wirnet iFemtoCell-evolution __only__.

===== Firmware KerOS v4.1.6 (September 2019) =====
[[wiki:firmware:release_4.1|Download]] 

==== Release corrections ====
  * Wifi not displayed on WEBUI if hidden Wifi networks are present
  * Leap second not used by TAI clock

==== New features ====

  * Generic firmware for all Wirnet™ i-series gateways
  * Support Wirnet™ iStation
  * Handle dongles E3372S-153 and FS040U

==== Evolutions====

  * REST API modified
  * WEBUI modified (Wifi and GSM configuration)
  * RPMB status not displayed anymore in discovery file
  * TAI clock activated by default


===== Firmware KerOS v4.0.2 (February 2019) =====
[[wiki:firmware:release_4.0.2_ibts|Download]]

  * First version of firmware 4.X for **Wirnet iBTS** gateways.

===== Firmware KerOS v4.0.4 (February 2019) =====
[[wiki:firmware:release_4.0.4_ifemto|Download]]

  * First version of firmware 4.X for **Wirnet iFemtoCell** gateways.
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