參考資訊：
https://forum.sailfishos.org/t/guide-fix-certificate-issues-on-sailfishos/8910
https://docs.sailfishos.org/Support/Help_Articles/Managing_Sailfish_OS/Updating_Sailfish_OS/
步驟如下：
$ devel-su
# curl -kLO https://releases.jolla.com/releases/4.0.1.48/jolla/armv7hl/oss/noarch/ca-certificates-2018.2.26-1.2.1.jolla.noarch.rpm
# ssu re 3.4.0.24
# ssu ur
# zypper ref
# zypper install p11-kit
# pkcon install-local ca-certificates-2018.2.26-1.2.1.jolla.noarch.rpm
# vim /usr/share/ssu/features.d/adaptation-community.ini
[adaptation-community]
repos = adaptation-community
pattern = Feature community adaptation
description = Enable ssu for community ports
[repositories]
adaptation-community =
http://repo.merproject.org/obs/nemo:/devel:/hw:/motorola:/maserati/sailfishos_%(release)/