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Travel days fail from dead batteries and missing boarding passes, not from the wrong Instagram filter. Download maps, put passes in Wallet, and keep a lightweight photo path.
Wallet vs apps
Airline Wallet passes beat five airline apps if they actually scan. Keep the airline app as backup when Wallet fails at a regional gate. Download the booking PDF anyway.
Download before wheels up
Apple Maps / Google offline areas, a translation pack, and entertainment that is not streaming. Low Power Mode is not a personality; it is how you land with 18%.
eSIM reality
A travel eSIM is great until the QR fails in a language you cannot read. Have a screenshot of the install steps and a tiny physical SIM fallback if the phone still has a tray.
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