{"metadata":{"id":"connection-errors","title":"Most common Bluetooth smart-cube connection errors","question":"Why do browser smart-cube connections fail?","source":"Anonymous SupaKewber connection telemetry","sample_unit":"failed connection outcomes","definition":"Errors are coarse operational buckets assigned by the connection flow, not raw browser exception messages.","methodology":"Validated failures are grouped by error bucket and browser family. User-cancelled device selection is excluded because it is not a technical failure.","inclusion_rules":["Failed connection outcomes with an approved error code."],"exclusion_rules":["Successful connections","User-cancelled selection","Raw exception messages","Cells below 100 failures"],"privacy_rule":"Public SupaKewber cells require at least 20 distinct users and 100 observations unless the dataset contains no account identifier, in which case at least 100 observations are required.","last_updated":"2026-10-09","stable_page_url":"https:\/\/supakewber.com\/research\/connection-errors\/","json_url":"https:\/\/supakewber.com\/speedcubing-data\/downloads\/connection-errors.json","csv_url":"https:\/\/supakewber.com\/speedcubing-data\/downloads\/connection-errors.csv","publication_status":"published","sample_size":251,"contributing_users":null,"date_range":["2026-08-10","2026-10-07"]},"data":[{"error_code":"service_discovery_failed","browser_family":"Chrome","failures":115,"share_of_failures_percent":"45.82"}]}