[Zuk Z1 Q&A, Help & Troubleshooting] lg-optimus:
My Z1 works again and has now LineageOS installed, very easy if you know what to do. I installed everything with sideload.

$ su -

# /install/androidins/platform-tools/adb sideload /install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signed.zip
opening '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signed.zip'...
connecting...
serving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signserving: '/install/androidins/zuk_install/lineage-14.1-20171031-nightly-ham-signTotal xfer: 1.00x

# /install/androidins/platform-tools/adb sideload /install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip
opening '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip'...
connecting...
falling back to older sideload method...
error: no devices/emulators found

# /install/androidins/platform-tools/adb sideload /install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip
opening '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip'...
connecting...
serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' serving: '/install/androidins/zuk_install/open_gapps-arm-7.1-pico-20171105.zip' Total xfer: 1.18x

# /install/androidins/platform-tools/adb sideload /install/androidins/zuk_install/addonsu-14.1-arm-signed.zip
opening '/install/androidins/zuk_install/addonsu-14.1-arm-signed.zip'...
connecting...
serving: '/install/androidins/zuk_install/addonsu-14.1-arm-signed.zip' (~5%) serving: '/install/androidins/zuk_install/addonsu-14.1-arm-signed.zip' (~10%) serving: '/install/androidins/zuk_install/addonsu-14.1-arm-signed.zip' (~16%) serving: '/install/androidins/zuk_install/addonsu-14.1-arm-signed.zip' (~19%) serving: '/install/androidins/zuk_install/addonsu-14.1-arm-signed.zip' (~25%) serving: '/install/androidins/zuk_install/addonsu-14.1-arm-signed.zip' (~30%) serving: '/install/androidins/zuk_install/addonsu-14.1-arm-signed.zip' (~36%) serving: '/install/androidins/zuk_install/addonsu-14.1-arm-signed.zip' (~41%) serving: '/install/androidins/zuk_install/addonsu-14.1-arm-signed.zip' (~47%) serving: '/install/androidins/zuk_install/addonsu-14.1-arm-signed.zip' (~52%) serving: '/install/androidins/zuk_install/addonsu-14.1-arm-signed.zip' (~57%) serving: '/install/androidins/zuk_install/addonsu-14.1-arm-signed.zip' (~63%) serving: '/install/androidins/zuk_install/addonsu-14.1-arm-signed.zip' (~68%) serving: '/install/androidins/zuk_install/addonsu-14.1-arm-signed.zip' (~72%) Total xfer: 1.54x