TestFlight install fail: 30 days of debugging the Apple ID lock nobody told you about

dev.to article #27 (paste-ready) — TestFlight install fail: 30 days, Apple Engineering, and the Apple ID lock nobody told you about Calendar : 2026-05-29 09:00 PT (1 week after #26) Tags : #ios #appstoreconnect #testflight #indie #debug Word count : 2200 (full debug story + reproducible scripts) Cover image : 1000x420 — TestFlight icon + "30 days" countdown TL;DR If TestFlight installs fail with "App not available" even though build status looks healthy, the root cause is likely Apple's backend