Pick your videos and photos, plug in, and go to sleep. Everything is locked on this phone before it leaves; only you can open it.
Plug your phone in.
Stay on Wi-Fi.
Leave this page open and on top. The screen stays on by itself; if it does not, set Settings > Display & Brightness > Auto-Lock to Never for tonight.
If it stops, open this page again and pick the same files: it carries on where it stopped.
Private: each file is locked on this phone with its own key before it leaves. Cloudflare keeps only the locked copy (IPFS blocks); the key and the file names stay on your phone. Nothing is published, and nothing is deleted from your phone.