This isn't a free unlock method, but it's a common tool used for unlocking, and it's completely free to download. It's essential for generating a code if you choose a paid service.

There are two primary ways to achieve a network-free device: using an unlock code or flashing a new firmware package. 1. Unlocking via Network Code (Recommended)

: Once the code is accepted, the device will restart. After it powers back on, insert the new, non-accepted SIM card. If the unlock was successful, the device will connect to the new carrier's network without any error messages.