I have an iPhone 14 and arrived in Greece yesterday. It doesn't connect to cellular. How do I activate my eSim? I have no restrictions, and T-Mobile isn't answering their 24-hour care line.

Hi Flouton,

Prior to traveling did you confirm you had international roaming with T-Mobile? If so, you can find more information here: About cellular data roaming options for your iPhone and iPad

If not, and you're attempting to use a different eSIM while traveling you'll need to have an unlocked or SIM-free iPhone per the section below found in the same article.

1. "When you turn off Cellular Data and Data Roaming, the cellular data icon shouldn't appear in the status bar. Learn more about cellular data settings and usage.
2. Apple Watch Series 3 (GPS + Cellular) and Apple Watch Series 4 don't support data roaming. While using data roaming on your iPhone, Apple Watch Series 3 (GPS + Cellular) or Apple Watch Series 4 will only be able to use Wi-Fi or your iPhone cellular connection.
3. To use bought or rented SIM cards, you need an iPad (Wi-Fi + Cellular), unlocked iPhone, or SIM-free iPhone."

You can also find helpful information in the same article you started from: Use eSIM while traveling internationally with your iPhone, specifically the bullet point that states:

• "If your iPhone is locked to a carrier, your iPhone operates the same as if it were using a physical SIM and can be used only by that carrier. You can add multiple eSIMs and plans through that carrier. To check if your iPhone is unlocked, go to Settings > General > About. If your iPhone is unlocked, "No SIM restrictions" appears next to Carrier Lock. Learn how to unlock iPhone for use with a different carrier."

If your device is unlocked or SIM-free, test the steps here: If you can't set up an eSIM on your iPhone. Should the issue remain, try contacting your carrier via chat or from the article here: Find wireless carriers and worldwide service providers that offer eSIM service

View additional details directly on their website here: International Plans | Traveling Abroad without Roaming Fees | T-Mobile

Best.