If your device doesn't prompt for a code, you may need to use a service like DC-Unlocker. This is the go-to "work" for technicians.

Unlocked devices sell for 30-50% more on the secondary market.

If you have followed the steps and the unlock still won't "work," check these common roadblocks:

Some carriers disable the "Settings" menu where you would normally enter an unlock code. Method 1: The Official Unlock Code (Recommended)

Ensure you have the specific -92c variant.

Power on the device with a SIM card from a different network.

A USB data cable, a Windows PC, and specific drivers.

Look under the battery or dial *#06# in the web interface.