1. Confirm Your Phone is Carrier-Unlocked
An eSIM-compatible phone can only activate third-party travel plans if it is fully carrier-unlocked. If your phone was purchased under a monthly carrier installment contract, it might be software-locked to that carrier.
On iPhone, go to Settings > General > About > Carrier Lock. It should state 'No SIM restrictions'. On Android, check Settings > Connections > Mobile Networks > Network Operators.
2. Save the QR Code or Manual Activation String
Always keep a screenshot of your MileSIM QR code and copy the SM-DP+ Address and Activation Code into your phone's Notes app. If you lose Wi-Fi signal at the arrival gate, you can still complete manual setup without internet.
What happens if I delete my eSIM profile by mistake?
Contact MileSIM 24/7 support immediately with your order ID. In most cases, our automated provisioning system can regenerate your profile.
Published by
MileSIM Travel Intelligence Team
Sourced from GSMA, Apple iOS & Android official technical specifications
