Travel phone preparation checklist Prepare your phone before travelling: offline information, charging, connectivity, account access and a plan if the device is lost. SAVE WHAT YOU NEED OFFLINE - Save tickets and booking confirmations in an accessible offline format - Download maps for the areas you will visit - Save accommodation addresses and local transport directions - Save useful contact numbers with the appropriate country codes - Download any language tools you expect to need - Keep a separate copy of essential contact and booking details CHECK ACCESS AND POWER - Check your mobile plan’s roaming coverage and charges for the destination - Check device compatibility before buying a local SIM or eSIM - Check how you will receive account verification codes while abroad - Bring a suitable charger, cable and plug adapter - Charge your power bank and check transport rules before packing it - Free enough storage for photos, tickets and downloaded information PROTECT THE DEVICE AND PREPARE A BACKUP PLAN - Install available security updates before departure - Set a strong screen lock and review what notifications reveal when locked - Back up important files and photos before travelling - Check device-location and remote-lock features and how to access them from another device - Avoid sensitive activity on untrusted networks and confirm connection details with the venue - Keep the phone secure in public and agree a way to contact someone if it is lost