A CTI router can't update to TOS 4.0.2
A CTI Omnia router in HBS:
root@skolka:~# pkgupdate
INFO:Target Turris OS: 4.0.2
WARN:Package wpad is in cyclic dependency. It might fail its post-install script.
WARN:Package hostapd is in cyclic dependency. It might fail its post-install script.
WARN:Requested package pkglists-l10n-cs that is missing, ignoring as requested.
WARN:Requested package luci-i18n-adblock-en that is missing, ignoring as requested.
WARN:Requested package luci-i18n-adblock-cs that is missing, ignoring as requested.
WARN:Requested package luci-i18n-bcp38-en that is missing, ignoring as requested.
WARN:Requested package luci-i18n-bcp38-cs that is missing, ignoring as requested.
WARN:Requested package luci-i18n-mjpg-streamer-en that is missing, ignoring as requested.
WARN:Requested package luci-i18n-mjpg-streamer-cs that is missing, ignoring as requested.
WARN:Requested package luci-i18n-sqm-en that is missing, ignoring as requested.
WARN:Requested package luci-i18n-sqm-cs that is missing, ignoring as requested.
WARN:Requested package luci-i18n-rainbow-en that is missing, ignoring as requested.
WARN:Requested package luci-i18n-rainbow-cs that is missing, ignoring as requested.
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ERROR:
inconsistent: Requested package turris-survey that is not available.
As the output says, updater tries to install turris-survey
package, which is not available.