Using ACUnlocker typically involves downloading the software onto a computer and connecting the locked iOS device via a USB cable. The software then performs a series of operations to bypass the lock mechanism. While the process is often marketed as simple and user-friendly, it is important to note that such tools often require the device to be in a specific mode, such as DFU (Device Firmware Update) mode, to function correctly.
Acunlocker is effective for what it promises, but keep your expectations realistic. It’s not a magic "make it like new" solution, and it's best used on your own devices, not stolen ones (ethical issues aside). If you’ve exhausted Apple support and have no proof of purchase, this might work. If you can access Apple’s official unlock, do that first. acunlocker