====== KerOS firmware v4.2.1 (January 2020) ======

<note important> This firmware has been developed and tested only for Wirnet iFemtoCell-evolution gateway. It **MUST NOT** be used on other gateways. </note>
<note warning>This firmware version is **deleted** to avoid upgrade issue with other gateway architectures than Wirnet iFemtoCell-evolution. \\
Please use the [[wiki:firmware:release_4.2.2|KerOS firmware v4.2.2]] instead.  </note>
===== Changes from v4.1.6 =====

==== New features ====

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

==== Evolutions====

  * Few 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).

===== Restrictions =====

  * **SMS Feature**
    * SMS manager command doesn't work on sierra_0 on Dual WAN iBTS.
    * SMS is not working with dongle E3372s with some SIMs.
  * **System**
    * Sometimes, BNM measurement is not accurate at +/-2dB.
  * **Update**
    * IPK update status is in error for all packages if only one package installation failed.
  * **Network**
    * Network monitoring does not restart a service if a DNS problem occurs.
  * ** WiFi (iFemtocell only) **
    * Impossible to connect with an Android system to Access Point WiFi of the gateway.
    * No fallback on WiFi.
    * Some instabilities with the WiFi interfaces.

===== Firmware =====

==== Hardware compatibility ====

Only compatible with Wirnet iFemtoCell-evolution gateways (CVaa, CWaa, and CXaa).

==== Delivery ====

<note important>
The firmware is released in one format: __Liveburner__.\\

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

===== Download =====

  * Liveburner IPK: [DELETED]
  * 64-bit toolchain: [DELETED]



===== 4.2.x History =====

  * 4.2.1 (January 2020): 
     * few fixes on ntpd config and bnm
     * Add 'get_logs'
  * 4.2.0 (November 2019)