Wirnet™ i-series

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====== KerOS firmware v5.12.2 (March 2026) ======

===== Changes from v5.12.2 =====

==== Evolutions ====

  * Keep SSH authorized keys for root user during upgrade
  * Keep gwmp.period and gwmp.statistics values during klk_apps_config
  * Use different URL for WARC server depending on certificate curve

==== Release corrections ====

  * Fix upgrade when files to keep are too big
  * Fix upgrade from web interface when upgrade file is bigger than 100MB
  * Fix SNR values returned by lora tools and lorad in SF12
  * Kconf is able to read/write ofono configuration file if same section is present twice
  * Fix lorad init script return value if basicstation is not running
  * Fix GSM connection when there is no 3G and operator needs more than just APN to connect in LTE 

==== 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 =====

==== Compatibility ====

  * Compatible with Wirnet™ i-series gateways (Wirnet iBTS, Wirnet iFemtoCell, Wirnet iStation, Wirnet iFemtoCell-evolution, Wirnet iZeptoCell Ethernet, Wirnet iZeptoCell Cellular).


=== Software ===

  * Compatible with Wirnet™ i-series gateways secured with Kerlink Production fuses or without any fuses flashed.
  * Regular update (''keros.ipk'') is **incompatible** with firmware older than v5.x

<note important>
    * To upgrade the system from KerOS version 4.3.3 to KerOS version 5.x the use of a liveburner is MANDATORY. Two possibilities are available:
    * Upgrade with a custom liveburner. It allows to keep some elements like gateway configuration. To use a custom liveburner, please refer to the dedicated page: [[wiki:keros_custo:upgrade_major_version|Major version upgrade with a custom liveburner]].
    * Upgrade with a regular liveburner (erasing the whole partition to reinstall the firmware)
</note>

==== Delivery ====

<note important>
The firmware is released in two formats: __KerOS__ and __Liveburner__.\\

__KerOS :__ Update the Firmware\\
To update the firmware **from v5.x**, the regular update procedure can be used.
See [[wiki:keros_custo:upgrade#upgrade_using_a_keros_package|system upgrade]] page.

\\
__Liveburner :__ Reset the Firmware of the product
  * Update stock version with FW 5.12.2.
  * Reset the default password on your gateway.
  * Erase the whole partition to reinstall the firmware.
</note>

===== Download =====

  * KerOS IPK 5.12.2:{{ :playground:firmware::keros_5.12.2_klkgw-signed.ipk}} md5: ''a4eda5ad23edf84bea485b9903088666''
  * Liveburner IPK 5.12.2: {{ :playground:firmware::liveburner_5.12.2_klkgw-signed.ipk}} md5: ''9c700114199ce071d20e22943ab2bfae''
  * Liveburner IPK 4.3.3-2: {{ :resources_multi_hardware::liveburner_4.3.3-2_klkgw-signed.ipk}} md5: ''12CFEFB8D4630A34AA90C77E6C73A193''
  * Custom liveburner IPK 5.12.2: {{ :playground:firmware::custom-liveburner_5.12.2_klkgw-signed.ipk}} md5: ''a45ef64d843d8fe64786625055ff2700''
  * Update liveburner package: {{ :resources_multi_hardware::update_liveburner_package-v5.12.0.tar.gz}} md5: ''46588b0de902679e048f171eafe02002''
  * 64-bit toolchain: {{ :playground:firmware::poky-glibc-x86_64-keros-toolchain-klkgw-5.12.2.sh}} md5: ''b9cc8c6e1da489d45585f8885e4ff634''
Wirnet™ i-series

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