• Writable File system.
• Add web interface.
• Add SMS management.
• Add KerOS REST API access.
• New backup management system.
• New package management system.

• Kernel updated to 4.14.9.
• Global package update.
• Discovery performance and stability improved.
• CONFIG_IP_MULTIPLE_TABLES is now present on KerOS 4.0.x.
• IPSec connection with basic PSK authenticated configuration and without ProvenCore works on keros 4.0.x.
• IPTABLES logging added in /var/log/messages, also visible on the console.
• Bootcount in U-boot and in /tmp/board_info.json on KerOS 4.0.x.

• Configuration
  • The result returned for the field rpmb_status in file /tmp/boar_info.json is not correct. This field must not be taken into account in firmware version 4.X.
  • BNM frequency configuration files depending on the board (bnm-868.conf, bnm-923.conf, bnm-915.conf) are not kept by default when upgrading the gateway.
• Security
  • Provenrun rpmb-status is not working on kernel 4.14.
• SMS Feature
  • SMS command _operator doesn't receive a response when it's OK.
  • SMS manager command doesn't work on sierra_0 on Dual WAN iBTS.
• System
  • Possible Kernel errors when using fixnetwork.
  • Default behavior of the store-config tool is to save the file /user/login that is not present in KerOS 4.x firmware.
• Update
  • IPK update status is in error for all packages if only one package installation failed.
• Web Interface
  • System manager error in the “Administration” menu when trying to configure a static IP whereas cellular backhaul is already defined as default connection (main.conf).
  • After a time modification more than 12h (token validity), the board does not reboot after pressing the “Reboot gateway” button.
  • When editing a cellular operator that is not used, it returns an error.
  • Sometimes GSM status stays green although the cellular is disconnected.

• Fully compatible with Wirnet iBTS ATc03 architecture and above.
• Partially compatible with Wirnet iBTS ATa01 and ATb02 architecture (issue with reset Button).

• Compatible with Wirnet iBTS products with Kerlink Production fuses or without any fuses flashed.
• Simple update (keros.ipk) incompatible with firmware older than v4.x → Use of liveburner package is MANDATORY.
• Update from v1.x or v2.x to v4.x is not compatible, it is MANDATORY that the firmware is at least in firmware v3.x.
• ProvenCore firmware and utilities (uploader) changed as of v3.1.0, and files to be uploaded to the ProvenCore have to be processed by pnrcipher before uploading.

• Liveburner IPK: liveburner_4.0.2_klk-lpbs-signed.ipk md5: 291d0fea051ba6cbe53e5c5c00307c0f
• 64-bit toolchain: poky-glibc-x86_64-keros-toolchain-klk-lpbs-4.0.2.sh md5: 19bcac3b0cf3aace9e314f972ed2e938

Hotfix(s) only applicable for this firmware version:

• hotfix-4.0.2-fix-bad-taiclock-with-leap-second_1.0-r0_armv7ahf-neon.ipk; md5 6731763af9fc916af526437e3805ea31: This hotfix is used to enable the International Atomic Time, so LoRa class B can be used.
• hotfix-enable-tai_1.0.0_klk_lpbs.ipk: DELETED and replace by hotfix-4.0.2-fix-bad-taiclock-with-leap-second_1.0-r0_armv7ahf-neon.ipk