Some carriers will give you the unlock code for free if:
If they refuse or take too long, jump to Method 2. how to unlock huawei b535-932
Restart your router. It should now recognize the new SIM card and allow you to create a connection. You may need to manually set up the APN (Access Point Name) settings for your new network provider to get online. Some carriers will give you the unlock code
Disclaimer: Unlocking may violate your carrier agreement if the device is still under a contract. Always check local laws and your service terms first. how to unlock huawei b535-932