If you receive an error on your phone that says your SIM card is locked, you will need to enter an unlock code in order to be able to continue using your phone.
You can find your SIM unlock key, also known as a PUK code, by following these steps:
1. Login to your Lucky Mobile MyAccount
2. Under the My Services tab, look for My Phone. Click More about my phone.
3. From Manage my phone, click Unlock my SIM card, then click Get unlock key.
Careful when entering your SIM unlock key; after 10 failed or unsuccessful input attempts, your SIM card will be locked permanently.