Thank you very much for your reply.
Here’s the error appearing in the logs:
E_USER_WARNING (512) classes/api.php:84 Failed login attempt for XXXXX from XXX.XXX.XXX.XXX classes/api.php(84): user_error(Failed login attempt for XXXX from XXX.XXX.XXX.XXX, 512)
2. api/index.php(80): login()
Here is the config.php:
define('DB_TYPE', 'mysql');
define('DB_HOST', '');
define('DB_USER', 'XXXX');
define('DB_NAME', 'XXXX');
define('DB_PASS', 'XXXX');
define('DB_PORT', '');
define('MYSQL_CHARSET', 'UTF8');
define('SELF_URL_PATH', 'XXXX');
define('FEED_CRYPT_KEY', '');
define('SINGLE_USER_MODE', false);
define('SIMPLE_UPDATE_MODE', false);
define('PHP_EXECUTABLE', '/usr/bin/php');
define('LOCK_DIRECTORY', 'lock');
define('CACHE_DIR', 'cache');
define('ICONS_DIR', "feed-icons");
define('ICONS_URL', "feed-icons");
define('AUTH_AUTO_CREATE', true);
define('AUTH_AUTO_LOGIN', true);
define('FORCE_ARTICLE_PURGE', 0);
define('PUBSUBHUBBUB_HUB', '');
define('PUBSUBHUBBUB_ENABLED', false);
define('SPHINX_SERVER', 'localhost:9312');
define('SPHINX_INDEX', 'ttrss, delta');
define('ENABLE_REGISTRATION', false);
define('REG_NOTIFY_ADDRESS', 'user@your.domain.dom');
define('REG_MAX_USERS', 10);
define('SESSION_COOKIE_LIFETIME', 86400);
define('SMTP_FROM_NAME', 'Tiny Tiny RSS');
define('SMTP_FROM_ADDRESS', 'noreply@your.domain.dom');
define('DIGEST_SUBJECT', '[tt-rss] New headlines for last 24 hours');
define('SMTP_SERVER', '');
define('SMTP_LOGIN', '');
define('SMTP_PASSWORD', '');
define('SMTP_SECURE', '');
define('CHECK_FOR_UPDATES', true);
define('ENABLE_GZIP_OUTPUT', false);
define('PLUGINS', 'auth_internal, note');
define('LOG_DESTINATION', 'sql');
define('CONFIG_VERSION', 26);
Another phone running ttrss-android 1.229 (463) Buid timestamp 2017.11.21 14:41:03 works (with another user).