Learn how to check if your phone is unlocked and, if it isn't, how you go about making an unlock request with AT&T, Sprint, T-Mobile and Verizon.

Each carrier requires a phone call or a visit to its webpage to start the unlocking process. When you call, ask the customer service person to “network unlock” the phone for you.

Unlocking your cell phone lets you switch carriers without buying a new device. Consumer Reports explains how to do it.

Request permission to unlock the bootloader from Xiaomi A user has to submit an application on the Xiaomi Bootloader unlock website to unlock the bootloader on a Xiaomi smartphone.

If you're an AT&T customer, you can unlock your phone using a portal on the AT&T website. You'll need to have paid all of your bills first.

Though it is not as secure as using a PIN or password on your phone, adding a face unlock on your Mi Note 10 Lite smartphone will provide a more convenient way to unlock the phone.

The unlocking process will start, and once again press Unlock anyway button on the following popup. Sometimes Xiaomi will make you wait for 48-72 hours to unlock a phone when it is at 90%.