Tools like , Sonick14 , or Sliver use checkm8 to bypass the setup screen. However:

Moreover, using third-party iCloud removal tools like Box iCloud Removal 468 raises significant concerns about device security, data integrity, and potential legal implications. By bypassing the iCloud activation lock, users may inadvertently create a vulnerability that can be exploited by malicious actors. Additionally, using such tools may void device warranties, violate Apple's terms of service, and potentially lead to data loss or corruption.

These remove the lock by rewriting the device’s serial number and Bluetooth/Wi-Fi addresses. This is permanent and allows full iOS updates. However, it requires soldering and disassembling the phone.

: Any tool that claims to "fully remove" iCloud from a device—especially newer models (A12 chips and up, like iPhone XS or newer)—by simply entering an IMEI or serial number is almost certainly a scam.