An iPhone user recounts repeated incidents where the native Books app removed local copies of purchased ebooks, showing only cloud icons right before or during flights when downloading was impossible. Despite manually downloading titles at the gate, those local copies vanished within hours. Online digging revealed this problem has persisted for around a decade and many others report it. Two community “fixes” surfaced: disable iCloud for Books (which requires exporting and reimporting potentially hundreds of files and sacrifices cross‑device syncing and reading progress), or keep 10-20% of phone storage free so Apple won’t offload books to iCloud.
Research indicates the phone automatically purges local book files when free storage dips into that 10-20% range, but Apple documents no setting, warning, or ability to pin specific books locally. The author criticizes this prioritization - ebooks are often tiny (500 KB-2 MB) while caches and “System Data” consume gigabytes (examples given: YouTube 1.1 GB, Mail 1.4 GB, Google Maps 0.7 GB, System Data 10.6 GB). The piece argues for user control (choose which books stay local or an expiry option) or at least transparent notifications, and condemns a decade of community complaints left effectively unanswered by the company.
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