Many newer ZTE models, especially those from or Metro by T-Mobile , do not use traditional unlock codes. Instead, they use a pre-installed app called "Device Unlock." Step-by-step : Ensure your phone is connected to the internet via Wi-Fi.
✅ Yes – if you have completed 12 months of active service with Tracfone or its brands. ❌ No – if you bought the phone second-hand, used it for less than a year, or want a universal hack. No free software or code will bypass the lock.