No. Even with the Checkm8 exploit, no tool – including 3uTools – can permanently bypass iCloud on iOS 15.3.
: Even if a bypass is "successful," it is often "tethered" (requiring a PC to reboot) and typically disables essential features like SIM card support, iCloud backups, and FaceTime. icloud unlock all iphone ios 153 download 3utools link
Methods that use 3uTools as a base often involve complex steps like manual firmware modification or entering DFU mode, which can be confusing for average users. What 3uTools Can Do Unlock ICloud With IPS Unlock & 3uTools: Guide - Ftp Methods that use 3uTools as a base often
While many online tutorials claim that can directly remove or bypass an iCloud Activation Lock, the official developers of 3uTools state that the software cannot help users remove or bypass iCloud (Apple ID) locks through flashing or any standard feature. 3uTools is primarily a management and flashing utility; it can view device information like IMEI and activation status, but it does not have a built-in "unlock" button for Apple's security servers. The Reality of "3uTools iCloud Unlocks" The Reality of "3uTools iCloud Unlocks"