Use the programmer software to bypass the lock data.
Most users searching for this are looking for a magical software update or a free tool to remove the iCloud Activation Lock or Firmware (EFI) lock on T2-chip MacBooks (2018-2020 models).
If you bought the MacBook legally but cannot contact the previous owner, Apple can remove the Activation Lock for you. You must provide valid proof of purchase (such as an original invoice showing the serial number) to Apple Support or an Apple Authorized Service Provider. MDM Profile Removal
: The Mac stays unlocked even if you turn it off and back on. macbook t2 bypass free upd
If you have a legitimate firmware lock (not iCloud) and you do NOT care about your data:
the device from the account using the Find My app on another device. Technical Bypass Methods (Advanced)
Entirely free, transparent code, and highly effective for removing local firmware/EFI passwords. Use the programmer software to bypass the lock data
Bypassing an iCloud Activation Lock or EFI password on a MacBook with a T2 security chip is a complex process. While there are "free" methods involving technical exploits, they often require a second Mac and specific software knowledge. Official & Recommended Methods
Most functional T2 bypass methods rely on a hardware-level exploit known as . Because this vulnerability exists in the read-only memory (ROM) of the T2 chip, Apple cannot patch it via a standard software update. Tools leveraging this exploit put the Mac into Device Firmware Update (DFU) mode to execute custom code, temporarily disabling specific security checks. 2. Tethered vs. Untethered Bypasses
The secure enclave remains inaccessible, disabling all hardware-based biometric features. You must provide valid proof of purchase (such
不过，Checkra1n 的使用条件比较苛刻：
Updates the firmware on the T2 chip without erasing the user data on the internal drive.