If you bought the phone from someone and can contact them, they can remove the lock remotely by signing into iCloud.com/find and selecting "Remove from Account".

If you have the original proof of purchase, you can submit an Activation Lock support request to Apple, and they will unlock it for free.

The software will often download a jailbreak tool (like Checkra1n) to gain root access. This voids your warranty and can make the device less stable.

4MeKey works by your iOS device to bypass the activation lock.

The trial usually allows you to connect your device and see if it's compatible. To actually perform the bypass and unlock the phone, you are required to purchase a license key.

It can remove the Apple ID and Activation Lock without the previous owner's password.

Technically, . While you can find a "Free Download" for the installation file on the official Tenorshare site , this is a trial version only.