Mac Mini photo sync to iPhone stalls near 55,000 photos

In a firsthand case, a could not complete a Finder photo sync to a 1 TB iPhone 14 Pro. The goal was to keep about 70,000 photos on the phone without using , but the sync repeatedly stopped at around 55,000 photos.

Restarting both devices several times did not fix it. Attempts to inspect old from a previous Mac migration under `/var/db/lockdown/` and `/var/db/lockdown/pair_records/` were blocked by modern macOS limits.

Resetting Location & Privacy on the iPhone created a fresh trust relationship with the Mac Mini, but the sync still did not complete. Turning off “Sync photos” in Finder to remove the already synced photos left the process stuck on “Waiting for changes to be applied.” A force restart of the iPhone made the sync finish immediately, but the synced photos were still not removed.

Key points

  • Finder sync from a to a 1 TB iPhone 14 Pro stalled near 55,000 photos out of about 70,000.
  • The setup was meant to avoid and store the full library directly on the phone.
  • Restarts, a fresh trust relationship, and turning off photo sync did not solve the problem.
  • Modern macOS rules can block older cleanup attempts around .
  • A Mac Mini photo-server workflow may need another backup or sync method if the library is very large.
Read original