The easiest and safest way to unlock your phone is to go directly through your carrier. The process differs slightly depending on who your provider is.
After resetting, you will need to sign in with the original Google or Apple account due to Factory Reset Protection (FRP). 2. Removing a Carrier Lock (Switching Networks) how to unlock a mobile phone
An unlocked phone is not tied to a specific carrier's network. This means you can insert a SIM card from any compatible provider—whether it's AT&T, T-Mobile, Verizon, Vodafone, or a local budget carrier—and the phone will work. The easiest and safest way to unlock your