Detected 5 file conflicts:

File /etc/connman/main.conf
  from install of
     connman-configs-mer-1.32+git71-1.1.5.armv7hl (mer-core)
  conflicts with file from package
     connman-configs-sailfish-0.8.15-1.8.1.jolla.noarch (@System)

File /lib/systemd/system/user@.service
  from install of
     systemd-config-mer-225+git15-1.2.11.armv7hl (mer-core)
  conflicts with file from package
     jolla-sessions-qt5-1.2.1-1.4.1.jolla.armv7hl (@System)

File /usr/lib/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
  from install of
     qt5-qtquickcontrols-layouts-5.2.1+git3-1.1.5.armv7hl (mer-qt)
  conflicts with file from package
     qt5-qtquickcontrols-5.6.0+git0+master.20180419074352.1.g17140c1-1.1.5.armv7hl (@System)

File /usr/lib/qt5/qml/QtQuick/Layouts/plugins.qmltypes
  from install of
     qt5-qtquickcontrols-layouts-5.2.1+git3-1.1.5.armv7hl (mer-qt)
  conflicts with file from package
     qt5-qtquickcontrols-5.6.0+git0+master.20180419074352.1.g17140c1-1.1.5.armv7hl (@System)

File /usr/lib/qt5/qml/QtQuick/Layouts/qmldir
  from install of
     qt5-qtquickcontrols-layouts-5.2.1+git3-1.1.5.armv7hl (mer-qt)
  conflicts with file from package
     qt5-qtquickcontrols-5.6.0+git0+master.20180419074352.1.g17140c1-1.1.5.armv7hl (@System)

File conflicts happen when two packages attempt to install files with the same name but different contents. If you continue, conflicting files will be replaced losing the previous content.
Continue? [yes/no] (no): yes