Answers to common eSIM questions.
what_is_esim() +
An eSIM is a digital SIM embedded in your device. Carrier profiles are downloaded over-the-air via QR code. For travellers: instant connectivity, no airport kiosks, no physical SIM swapping.
check_device_compatibility() +
iPhone: Settings → Cellular → Add eSIM. Samsung: Settings → Connections → SIM Manager → Add Mobile Plan. See device matrix for full list.
is_carrier_unlock_required() +
Returns: true. Device must be carrier-unlocked. Contact your carrier to request unlock. Most carriers unlock for free after contract period.
keep_home_number_while_roaming() +
Yes — use Dual SIM. Home SIM handles calls/texts. Travel eSIM handles data. Configure in cellular settings: set preferred data line to eSIM.
optimal_install_time() +
Returns: "at_home_on_wifi_before_departure". Ensures immediate connectivity on landing. Avoids airport troubleshooting.
esim_deleted_recovery() +
Original QR code is now invalid. Contact provider immediately — most can reissue. Prevention: save QR code screenshot before scanning.
no_service_debug_flow() +
1. toggle_airplane_mode() 2. verify_esim_as_data_line() 3. enable_data_roaming() 4. manual_network_selection() 5. restart_device() 6. contact_provider()