|Device not recognized by your service provider. Please call customer care.|
- Rooting your device will disable the unlock application
- Download the latest T-Mobile software to continue
Data corrupted during transfer. Please try again.
Error during data transfer. Please try again.
- Ensure the device has stable mobile signal
- Restart the device and try again
|Server not responding. Please try again later.|
- No response is received from the server
- Try using an alternate internet connection
|Failure in processing the request. Please reboot device and try again.|
|No internet connection available. Please try again when internet connection is available.|
- No internet connection is available:
- Device is not connected to 3G/4G LTE
- A non T-Mobile SIM card is being used on a device that is locked to T-Mobile
|Unable to connect to the server at this time. Please try back again later.|
- Update the app using the Play Store
- Attempt the unlock using the mobile network.
|Unlock Failed: This mobile wireless device is not eligible for unlock. For Device Unlock eligibility details, please go online or contact Customer Care.|
|Unlock Failed : System maintenance error, try again later.|
- System Maintenance is currently underway
- Wait and try again later
|Failure in applying the unlock settings. Please try again.|
- The device must be connected to the mobile network (including domestic and international roaming)
- Disconnect from Wi-Fi and try again.