Practical answer
Can I keep my smartphone only for travel?
Yes. Travel-day smartphone use is one of the most common and most sustainable arrangements.
Travel is where a smartphone earns its place: maps in an unfamiliar city, boarding passes, translation, rideshare, hotel check-in.
Keeping the smartphone charged in a drawer and taking it on trips is a legitimate setup. It works best when calls still reach your simple phone at home, so the smartphone is a tool you pack rather than a line you have to maintain.
- Charge it and update it before a trip.
- Confirm your authentication codes work while traveling.
- Decide in advance whether it comes out of the bag at dinner.