- open docker console
- sudo -u abc php /config/www/nextcloud/updater/updater.phar
- if see no upgrade, you can run: mv /data/updater-(fill in the rest of the file name here) /data-DELETEMEn-updater
- then run : sudo -u abc php /config/www/nextcloud/updater/updater.phar
- then you will see upgrade if available, then just follow instruction to upgrade.
