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Call T-Mobile support at 1-80 and ask them to tell you if your T-Mobile SIM unlock took place or not.Dial *#06# on your device and write down the IMEI number that displays. Select the appropriate line and click Check device unlock status option. In the account overview page, scroll down to Lines and Devices. If your device type is listed as unknown (including BYOD devices), click View Account. In the My Line section, click your device name to access the Check device unlock status option. To check if T-Mobile Carrier Unlock took place or if your phone is still locked, you have several options: If you have a relatively new T-Mobile phone and you haven’t requested for it to be unlocked, then it is a good chance that your device is locked.
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