Adding the eSIM fails — could my phone be carrier-locked?
Yes, that's a common cause. A phone locked to a home carrier will often refuse a third-party eSIM. Check with your carrier whether your phone is unlocked; if it's locked, ask them to unlock it before installing.
Related questions
My eSIM won't connect to the internet — what should I check?My eSIM isn't activating — what should I do?Do I need to turn on data roaming?I scanned the QR code with my camera and got 'ERR_UNKNOWN_URL_SCHEME' or 'Webpage not available' — what's wrong?I installed my eSIM but there is no internet — how do I fix it?My regional eSIM stopped working when I crossed into another country — why?