Learn how to unlock eSIM on iPhone step by step. Check if your device is locked, contact your carrier, and troubleshoot common eSIM issues. eSIMs have changed the way we connect worldwide. What once was a trick for frequent travelers is now the preferred way to stay connected abroad without swapping physical SIM cards. But here’s the catch: if your iPhone is locked, your eSIM won’t work. To activate and use a Flyesim eSIM, your iPhone must be carrier-unlocked. This guide will walk you step-by-step through how to check if your iPhone is locked, how to unlock it, and how to troubleshoot common issues. Do You Need an Unlocked iPhone to Use eSIM? Yes ✅. A carrier-locked iPhone is tied to one mobile operator. This means you cannot install or use an eSIM from a different provider. To use Flyesim or switch between local eSIM plans when you travel abroad, your iPhone must be unlocked. How to Check if Your iPhone is Locked Not sure whether your device is locked? Here’s a quick way to check: Open Settings. Tap General. Tap About. Scroll down to Carrier Lock (or Network Provider Lock). If it says “No SIM restrictions”, your iPhone is unlocked. If it shows any restrictions, your iPhone is locked to a carrier. Why is My iPhone Locked? Carriers lock phones for several reasons: 📑 Contract obligations – You bought your iPhone under a contract at a discounted price. 💳 Device financing – You’re paying your iPhone in installments through your carrier. 🎁 Promotional discounts – Carriers gave you a deal in exchange for a commitment to their network. Usually, carriers unlock your phone once your contract ends or the device is fully paid off. Two Ways to Unlock an iPhone for eSIM There are two main ways to unlock an iPhone: 1. Contact Your Carrier (Recommended) This is the safest and most reliable method. Steps: Check your eligibility – Make sure your contract is finished or your iPhone is fully paid off. Find your IMEI number – Go to Settings > General > About. Contact your carrier – Request an unlock via phone, email, or in-store. They’ll guide you and confirm when it’s unlocked. ⏳ Note: The process can take a few days. 2. Use a Third-Party Unlocking Service If you can’t go through your carrier, you can use a third-party service. ⚠️ Be cautious. Many scams exist. Always research thoroughly before choosing. Steps: Pick a trusted service with verified reviews. Provide your IMEI number (found in Settings > General > About). Follow their instructions and wait for confirmation. Common eSIM Issues and Fixes Even after unlocking, you may face errors. Here’s how to solve the most common ones: ❌ Error: No Service Check your network coverage. Restart your iPhone. Update iOS to the latest version. Recheck APN and data settings. ❌ Error: Invalid SIM Make sure your QR code or activation code was entered correctly. Restart your iPhone. Contact Flyesim support to resend your eSIM. 👉 Do not delete your eSIM — you may lose it permanently. ❌ Error: SIM Not Supported Recheck if your iPhone model supports eSIM. Confirm your iPhone is unlocked. Ensure your eSIM is fully activated. Conclusion In 2025, all new iPhones support eSIM — and many models no longer support physical SIMs at all. But before activating a Flyesim eSIM, you must make sure your iPhone is unlocked. ✅ Best method: Contact your carrier. ⚠️ Alternative: Use a verified third-party service. 🚀 Once unlocked, you’re ready to install a Flyesim eSIM and enjoy seamless connectivity in 190+ destinations worldwide. FAQs Can eSIMs be unlocked on iPhone? Yes. The safest way is through your carrier, although third-party services also exist. How do I know if my eSIM/iPhone is locked? Go to Settings > General > About > Carrier Lock. If it says No SIM restrictions, your iPhone is unlocked. Can I unlock an iPhone for free? Yes. If your device is paid off and your contract is complete, most carriers unlock it for free. Can I use Flyesim on a locked iPhone? No. To activate Flyesim, your iPhone must be unlocked. 👉 Ready to travel? Download Flyesim and get connected instantly in over 190 countries.