Want to unlock Alcatel OT 5042T POP Astro for T-Mobile? You are at right place. We offer you to use any network providers SIM card in your Alcatel without affecting warranty.
1. - Make sure you have an active data connection via 3G/4G/LTE or Wi-Fi.
2.- From the Application list, tap Device Unlock, the application is located in the T-Mobile folder.
3.- Choose the Permanent Unlock.
4.- Restart the device.