Unlike mainstream phones where the bootloader is the only barrier, ZTE implements kernel-level locks. Even if you unlock the bootloader via fastboot oem unlock , ZDroid re-locks the kernel during the next boot. The kernel checks for digital signatures on any partition modification (system, vendor, or boot). Without unlocking the kernel, any su binary or custom recovery will be rejected at the exec level.
Note: These codes are highly dependent on the specific firmware version and may not work on modern devices. For more specific instructions, you can check the ZTE Support Page unlock zte kernel zdroid smt
) compiled by ZTE’s "Zdroid" development team using an "SMT" build machine or environment. Historical Context : This kernel was commonly used in devices running the Qualcomm MSM7x27 Unlike mainstream phones where the bootloader is the
: Navigate to Settings > About Phone and tap the Build Number seven times. Without unlocking the kernel, any su binary or